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openSUSE Leap 15.2:\n\n zypper in -t patch openSUSE-2021-1370=1", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 5.5, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-10-18T00:00:00", "type": "suse", "title": "Security update for systemd (moderate)", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33910"], "modified": "2021-10-18T00:00:00", "id": "OPENSUSE-SU-2021:1370-1", "href": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/PZAKU2IKORZZMOBGJJJTJIICBEZDWUNU/", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2022-11-06T12:08:56", "description": "An update that solves one vulnerability, contains one\n feature and has 8 fixes is now available.\n\nDescription:\n\n This update for systemd fixes the following issues:\n\n - CVE-2021-33910: Fixed use of strdupa() on a path (bsc#1188063).\n\n - logind: terminate cleanly on SIGTERM/SIGINT (bsc#1188018).\n - Adopting BFQ to control I/O (jsc#SLE-21032, bsc#1134353).\n - Rules weren't applied to dm devices (multipath) (bsc#1188713).\n - Ignore obsolete \"elevator\" kernel parameter (bsc#1184994, bsc#1190234).\n - Make sure the versions of both udev and systemd packages are always the\n same (bsc#1189480).\n - Avoid error message when udev is updated due to udev being already\n active when the sockets are started again (bsc#1188291).\n - Allow the systemd sysusers config files to be overriden during system\n installation (bsc#1171962).\n\n\nSpecial Instructions and Notes:\n\n Please reboot the system after installing this update.\n\nPatch Instructions:\n\n To install this openSUSE Security Update use the SUSE recommended installation methods\n like YaST online_update or \"zypper patch\".\n\n Alternatively you can run the command listed for your product:\n\n - openSUSE Leap 15.3:\n\n zypper in -t patch openSUSE-SLE-15.3-2021-3348=1", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 5.5, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-10-12T00:00:00", "type": "suse", "title": "Security update for systemd (moderate)", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33910"], "modified": "2021-10-12T00:00:00", "id": "OPENSUSE-SU-2021:3348-1", "href": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/MCSKB4ZMNVGFIMLLPPNFDQMFKY7DLL4L/", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2022-11-06T17:58:39", "description": "An update that fixes one vulnerability is now available.\n\nDescription:\n\n This update for systemd fixes the following issues:\n\n - CVE-2021-33910: Fixed a denial of service (stack exhaustion) in systemd\n (PID 1) (bsc#1188063)\n\n\nPatch Instructions:\n\n To install this openSUSE Security Update use the SUSE recommended installation methods\n like YaST online_update or \"zypper patch\".\n\n Alternatively you can run the command listed for your product:\n\n - openSUSE Leap 15.3:\n\n zypper in -t patch openSUSE-SLE-15.3-2021-2410=1", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 5.5, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-07-20T00:00:00", "type": "suse", "title": "Security update for systemd (important)", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33910"], "modified": "2021-07-20T00:00:00", "id": "OPENSUSE-SU-2021:2410-1", "href": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/IPIXUFHECPYFYLXDFG3MHBODZD7H7P2I/", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2022-04-18T12:40:10", "description": "An update that solves two vulnerabilities and has three\n fixes is now available.\n\nDescription:\n\n This update for systemd fixes the following issues:\n\n - Updated to version 246.15\n - CVE-2021-33910: Fixed a denial of service issue in systemd. (bsc#1188063)\n - CVE-2020-13529: Fixed an issue that allows crafted DHCP FORCERENEW\n packet can cause a server running the DHCP client to be vulnerable to a\n DHCP ACK spoofing attack. (bsc#1185972)\n\n\nPatch Instructions:\n\n To install this openSUSE Security Update use the SUSE recommended installation methods\n like YaST online_update or \"zypper patch\".\n\n Alternatively you can run the command listed for your product:\n\n - openSUSE Leap 15.3:\n\n zypper in -t patch openSUSE-SLE-15.3-2021-2809=1", "cvss3": {"exploitabilityScore": 1.6, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "HIGH", "scope": "CHANGED", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 6.1, "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 4.0}, "published": "2021-08-23T00:00:00", "type": "suse", "title": "Security update for systemd (moderate)", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-13529", "CVE-2021-33910"], "modified": "2021-08-23T00:00:00", "id": "OPENSUSE-SU-2021:2809-1", "href": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/PFXYBJHAFZNV57EZ4VL2LC446RMO7HVT/", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}], "osv": [{"lastseen": "2022-07-21T08:22:13", "description": "\nThe Qualys Research Labs discovered that an attacker-controlled\nallocation using the alloca() function could result in memory\ncorruption, allowing to crash systemd and hence the entire operating\nsystem.\n\n\nDetails can be found in the Qualys advisory at\n<https://www.qualys.com/2021/07/20/cve-2021-33910/denial-of-service-systemd.txt>\n\n\nFor the stable distribution (buster), this problem has been fixed in\nversion 241-7~deb10u8.\n\n\nWe recommend that you upgrade your systemd packages.\n\n\nFor the detailed security status of systemd please refer to its security\ntracker page at:\n<https://security-tracker.debian.org/tracker/systemd>\n\n\n", "edition": 1, "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 5.5, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-07-20T00:00:00", "type": "osv", "title": "systemd - security update", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33910"], "modified": "2022-07-21T05:50:48", "id": "OSV:DSA-4942-1", "href": "https://osv.dev/vulnerability/DSA-4942-1", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2022-07-21T08:15:15", "description": "\nThe Qualys Research Labs discovered that an attacker-controlled\nallocation using the alloca() function could result in memory\ncorruption, allowing to crash systemd and hence the entire operating\nsystem.\n\n\nDetails can be found in the Qualys advisory at\n<https://www.qualys.com/2021/07/20/cve-2021-33910/denial-of-service-systemd.txt>\n\n\nFor Debian 9 stretch, this problem has been fixed in version\n232-25+deb9u13.\n\n\nWe recommend that you upgrade your systemd packages.\n\n\nFor the detailed security status of systemd please refer to its security\ntracker page at:\n<https://security-tracker.debian.org/tracker/systemd>\n\n\nFurther information about Debian LTS security advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: <https://wiki.debian.org/LTS>\n\n\n", "edition": 1, "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 5.5, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-07-20T00:00:00", "type": "osv", "title": "systemd - security update", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33910"], "modified": "2022-07-21T05:53:48", "id": "OSV:DLA-2715-1", "href": "https://osv.dev/vulnerability/DLA-2715-1", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}], "oraclelinux": [{"lastseen": "2021-11-26T18:27:49", "description": "[239-45.0.2]\n- Disable unprivileged BPF by default [Orabug: 32870980]\n- backport upstream pstore tmpfiles patch [Orabug: 31420486]\n- udev rules: fix memory hot add and remove [Orabug: 31310273]\n- fix to enable systemd-pstore.service [Orabug: 30951066]\n- journal: change support URL shown in the catalog entries [Orabug: 30853009]\n- fix to generate systemd-pstore.service file [Orabug: 30230056]\n- fix _netdev is missing for iscsi entry in /etc/fstab (tony.l.lam@oracle.com) [Orabug: 25897792]\n- set 'RemoveIPC=no' in logind.conf as default for OL7.2 [Orabug: 22224874]\n- allow dm remove ioctl to co-operate with UEK3 (Vaughan Cao) [Orabug: 18467469]\n- add hv dynamic memory support (Jerry Snitselaar) [Orabug: 18621475]\n- Backport upstream patches for the new systemd-pstore tool (Eric DeVolder) [OraBug: 30230056]\n[239-45.2]\n- basic/unit-name: do not use strdupa() on a path (CVE-2021-33910, #1974699)", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "baseScore": 5.5, "privilegesRequired": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 3.6}, "published": "2021-07-21T00:00:00", "type": "oraclelinux", "title": "systemd security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33910"], "modified": "2021-07-21T00:00:00", "id": "ELSA-2021-2717", "href": "http://linux.oracle.com/errata/ELSA-2021-2717.html", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}], "debian": [{"lastseen": "2021-11-28T08:54:58", "description": "- -------------------------------------------------------------------------\nDebian Security Advisory DSA-4942-1 security@debian.org\nhttps://www.debian.org/security/ Salvatore Bonaccorso\nJuly 20, 2021 https://www.debian.org/security/faq\n- -------------------------------------------------------------------------\n\nPackage : systemd\nCVE ID : CVE-2021-33910\n\nThe Qualys Research Labs discovered that an attacker-controlled\nallocation using the alloca() function could result in memory\ncorruption, allowing to crash systemd and hence the entire operating\nsystem.\n\nDetails can be found in the Qualys advisory at\nhttps://www.qualys.com/2021/07/20/cve-2021-33910/denial-of-service-systemd.txt\n\nFor the stable distribution (buster), this problem has been fixed in\nversion 241-7~deb10u8.\n\nWe recommend that you upgrade your systemd packages.\n\nFor the detailed security status of systemd please refer to its security\ntracker page at:\nhttps://security-tracker.debian.org/tracker/systemd\n\nFurther information about Debian Security Advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://www.debian.org/security/\n\nMailing list: debian-security-announce@lists.debian.org", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "baseScore": 5.5, "privilegesRequired": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 3.6}, "published": "2021-07-20T12:53:51", "type": "debian", "title": "[SECURITY] [DSA 4942-1] systemd security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33910"], "modified": "2021-07-20T12:53:51", "id": "DEBIAN:DSA-4942-1:08EDC", "href": "https://lists.debian.org/debian-security-announce/2021/msg00125.html", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2021-10-22T11:16:24", "description": "- -------------------------------------------------------------------------\nDebian LTS Advisory DLA-2715-1 debian-lts@lists.debian.org\nhttps://www.debian.org/lts/security/ Salvatore Bonaccorso\nJuly 20, 2021 https://wiki.debian.org/LTS\n- -------------------------------------------------------------------------\n\nPackage : systemd\nVersion : 232-25+deb9u13\nCVE ID : CVE-2021-33910\n\nThe Qualys Research Labs discovered that an attacker-controlled\nallocation using the alloca() function could result in memory\ncorruption, allowing to crash systemd and hence the entire operating\nsystem.\n\nDetails can be found in the Qualys advisory at\nhttps://www.qualys.com/2021/07/20/cve-2021-33910/denial-of-service-systemd.txt\n\nFor Debian 9 stretch, this problem has been fixed in version\n232-25+deb9u13.\n\nWe recommend that you upgrade your systemd packages.\n\nFor the detailed security status of systemd please refer to its security\ntracker page at:\nhttps://security-tracker.debian.org/tracker/systemd\n\nFurther information about Debian LTS security advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://wiki.debian.org/LTS", "cvss3": {}, "published": "2021-07-20T16:51:26", "type": "debian", "title": "[SECURITY] [DLA 2715-1] systemd security update", "bulletinFamily": "unix", "cvss2": {}, "cvelist": ["CVE-2021-33910"], "modified": "2021-07-20T16:51:26", "id": "DEBIAN:DLA-2715-1:0C50E", "href": "https://lists.debian.org/debian-lts-announce/2021/07/msg00013.html", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2021-12-06T02:19:29", "description": "- -------------------------------------------------------------------------\nDebian LTS Advisory DLA-2715-1 debian-lts@lists.debian.org\nhttps://www.debian.org/lts/security/ Salvatore Bonaccorso\nJuly 20, 2021 https://wiki.debian.org/LTS\n- -------------------------------------------------------------------------\n\nPackage : systemd\nVersion : 232-25+deb9u13\nCVE ID : CVE-2021-33910\n\nThe Qualys Research Labs discovered that an attacker-controlled\nallocation using the alloca() function could result in memory\ncorruption, allowing to crash systemd and hence the entire operating\nsystem.\n\nDetails can be found in the Qualys advisory at\nhttps://www.qualys.com/2021/07/20/cve-2021-33910/denial-of-service-systemd.txt\n\nFor Debian 9 stretch, this problem has been fixed in version\n232-25+deb9u13.\n\nWe recommend that you upgrade your systemd packages.\n\nFor the detailed security status of systemd please refer to its security\ntracker page at:\nhttps://security-tracker.debian.org/tracker/systemd\n\nFurther information about Debian LTS security advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://wiki.debian.org/LTS", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "baseScore": 5.5, "privilegesRequired": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 3.6}, "published": "2021-07-20T16:51:26", "type": "debian", "title": "[SECURITY] [DLA 2715-1] systemd security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33910"], "modified": "2021-07-20T16:51:26", "id": "DEBIAN:DLA-2715-1:A812E", "href": "https://lists.debian.org/debian-lts-announce/2021/07/msg00013.html", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2023-01-22T15:08:35", "description": "- -------------------------------------------------------------------------\nDebian Security Advisory DSA-4942-1 security@debian.org\nhttps://www.debian.org/security/ Salvatore Bonaccorso\nJuly 20, 2021 https://www.debian.org/security/faq\n- -------------------------------------------------------------------------\n\nPackage : systemd\nCVE ID : CVE-2021-33910\n\nThe Qualys Research Labs discovered that an attacker-controlled\nallocation using the alloca() function could result in memory\ncorruption, allowing to crash systemd and hence the entire operating\nsystem.\n\nDetails can be found in the Qualys advisory at\nhttps://www.qualys.com/2021/07/20/cve-2021-33910/denial-of-service-systemd.txt\n\nFor the stable distribution (buster), this problem has been fixed in\nversion 241-7~deb10u8.\n\nWe recommend that you upgrade your systemd packages.\n\nFor the detailed security status of systemd please refer to its security\ntracker page at:\nhttps://security-tracker.debian.org/tracker/systemd\n\nFurther information about Debian Security Advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://www.debian.org/security/\n\nMailing list: debian-security-announce@lists.debian.org", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 5.5, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-07-20T12:53:51", "type": "debian", "title": "[SECURITY] [DSA 4942-1] systemd security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33910"], "modified": "2021-07-20T12:53:51", "id": "DEBIAN:DSA-4942-1:E9C51", "href": "https://lists.debian.org/debian-security-announce/2021/msg00125.html", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}], "veracode": [{"lastseen": "2022-07-17T13:01:48", "description": "systemd is vulnerable to denial of service. An attacker is able to crash the application using an excessive size value involving `strdupa` and `alloca` for a pathname.\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 5.5, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-07-21T22:13:10", "type": "veracode", "title": "Denial Of Service (DoS)", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33910"], "modified": "2022-06-14T12:21:24", "id": "VERACODE:31279", "href": "https://sca.analysiscenter.veracode.com/vulnerability-database/security/1/1/sid-31279/summary", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}], "almalinux": [{"lastseen": "2021-11-26T19:07:47", "description": "The systemd packages contain systemd, a system and service manager for Linux, compatible with the SysV and LSB init scripts. It provides aggressive parallelism capabilities, uses socket and D-Bus activation for starting services, offers on-demand starting of daemons, and keeps track of processes using Linux cgroups. In addition, it supports snapshotting and restoring of the system state, maintains mount and automount points, and implements an elaborate transactional dependency-based service control logic. It can also work as a drop-in replacement for sysvinit.\n\nSecurity Fix(es):\n\n* systemd: uncontrolled allocation on the stack in function unit_name_path_escape leads to crash (CVE-2021-33910)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "baseScore": 5.5, "privilegesRequired": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 3.6}, "published": "2021-07-20T19:58:30", "type": "almalinux", "title": "Important: systemd security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33910"], "modified": "2021-08-11T08:41:45", "id": "ALSA-2021:2717", "href": "https://errata.almalinux.org/8/ALSA-2021-2717.html", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}], "redhat": [{"lastseen": "2021-11-26T18:42:00", "description": "The systemd packages contain systemd, a system and service manager for Linux, compatible with the SysV and LSB init scripts. It provides aggressive parallelism capabilities, uses socket and D-Bus activation for starting services, offers on-demand starting of daemons, and keeps track of processes using Linux cgroups. In addition, it supports snapshotting and restoring of the system state, maintains mount and automount points, and implements an elaborate transactional dependency-based service control logic. It can also work as a drop-in replacement for sysvinit.\n\nSecurity Fix(es):\n\n* systemd: uncontrolled allocation on the stack in function unit_name_path_escape leads to crash (CVE-2021-33910)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "baseScore": 5.5, "privilegesRequired": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 3.6}, "published": "2021-07-20T19:58:30", "type": "redhat", "title": "(RHSA-2021:2717) Important: systemd security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33910"], "modified": "2021-07-20T22:02:38", "id": "RHSA-2021:2717", "href": "https://access.redhat.com/errata/RHSA-2021:2717", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2021-11-26T18:40:00", "description": "The systemd packages contain systemd, a system and service manager for Linux, compatible with the SysV and LSB init scripts. It provides aggressive parallelism capabilities, uses socket and D-Bus activation for starting services, offers on-demand starting of daemons, and keeps track of processes using Linux cgroups. In addition, it supports snapshotting and restoring of the system state, maintains mount and automount points, and implements an elaborate transactional dependency-based service control logic. It can also work as a drop-in replacement for sysvinit.\n\nSecurity Fix(es):\n\n* systemd: uncontrolled allocation on the stack in function unit_name_path_escape leads to crash (CVE-2021-33910)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "baseScore": 5.5, "privilegesRequired": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 3.6}, "published": "2021-07-20T20:02:59", "type": "redhat", "title": "(RHSA-2021:2724) Important: systemd security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33910"], "modified": "2021-07-20T21:19:07", "id": "RHSA-2021:2724", "href": "https://access.redhat.com/errata/RHSA-2021:2724", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2021-11-26T18:40:57", "description": "The systemd packages contain systemd, a system and service manager for Linux, compatible with the SysV and LSB init scripts. It provides aggressive parallelism capabilities, uses socket and D-Bus activation for starting services, offers on-demand starting of daemons, and keeps track of processes using Linux cgroups. In addition, it supports snapshotting and restoring of the system state, maintains mount and automount points, and implements an elaborate transactional dependency-based service control logic. It can also work as a drop-in replacement for sysvinit.\n\nSecurity Fix(es):\n\n* systemd: uncontrolled allocation on the stack in function unit_name_path_escape leads to crash (CVE-2021-33910)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "baseScore": 5.5, "privilegesRequired": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 3.6}, "published": "2021-07-20T19:46:58", "type": "redhat", "title": "(RHSA-2021:2721) Important: systemd security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33910"], "modified": "2021-07-20T21:19:10", "id": "RHSA-2021:2721", "href": "https://access.redhat.com/errata/RHSA-2021:2721", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2021-11-26T18:39:14", "description": "Red Hat OpenShift Container Platform is Red Hat's cloud computing\nKubernetes application platform solution designed for on-premise or private\ncloud deployments.\n\nThe kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nThe kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.\n\nAnsible is a SSH-based configuration management, deployment, and task execution system. The openshift-ansible packages contain Ansible code and playbooks for installing and upgrading OpenShift Container Platform 3.\n\nThe systemd packages contain systemd, a system and service manager for Linux, compatible with the SysV and LSB init scripts. It provides aggressive parallelism capabilities, uses socket and D-Bus activation for starting services, offers on-demand starting of daemons, and keeps track of processes using Linux cgroups. In addition, it supports snapshotting and restoring of the system state, maintains mount and automount points, and implements an elaborate transactional dependency-based service control logic. It can also work as a drop-in replacement for sysvinit.\n\nSecurity Fix(es):\n\n* kernel: size_t-to-int conversion vulnerability in the filesystem layer (CVE-2021-33909)\n\n* systemd: uncontrolled allocation on the stack in function unit_name_path_escape leads to crash (CVE-2021-33910)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nBug Fix(es):\n\n* kernel-rt: update RT source tree to the RHEL-8.3.z source tree (BZ#1957359)\n\n* Placeholder bug for OCP 4.7.0 rpm release (BZ#1983534)", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 7.8, "privilegesRequired": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.9}, "published": "2021-07-26T16:10:54", "type": "redhat", "title": "(RHSA-2021:2763) Important: OpenShift Container Platform 4.7.21 security and bug fix update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.2, "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33909", "CVE-2021-33910"], "modified": "2021-07-28T12:22:28", "id": "RHSA-2021:2763", "href": "https://access.redhat.com/errata/RHSA-2021:2763", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2021-11-26T18:37:54", "description": "The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. Red Hat Virtualization Hosts (RHVH) are installed using a special build of Red Hat Enterprise Linux with only the packages required to host virtual machines. RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks.\n\nThe redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. Red Hat Virtualization Hosts (RHVH) are installed using a special build of Red Hat Enterprise Linux with only the packages required to host virtual machines. RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks. \n\nThe ovirt-node-ng packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. Red Hat Virtualization Hosts (RHVH) are installed using a special build of Red Hat Enterprise Linux with only the packages required to host virtual machines. RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks.\n\nSecurity Fix(es):\n\n* kernel: size_t-to-int conversion vulnerability in the filesystem layer (CVE-2021-33909)\n\n* systemd: uncontrolled allocation on the stack in function unit_name_path_escape leads to crash (CVE-2021-33910)\n\n* kernel: use-after-free in net/bluetooth/hci_event.c when destroying an hci_chan (CVE-2021-33034)\n\n* ansible: multiple modules expose secured values (CVE-2021-3447)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nBug Fix(es):\n\n* The redhat-release-virtualization-host package no longer requires vdsm-hooks. In this release, the installation of vdsm-hooks is not mandatory for the Red Hat Virtualization Host. (BZ#1976095)\n\n* Previously, rhsmcertd was not enabled by default on the Red Hat Virtualization Host. As a result, the systems did not regularly report to RHSM while the subscription-manager reported no obvious issues and repositories were properly enabled.\nIn this release, rhsmcertd is enabled by default in RHVH, and as a result, RHSM now receives reports regularly. (BZ#1958145)\n\n* In this release, the Red Hat Virtualization Host has been rebased on top of the RHEL 8.4.0 Batch #1 update. For more information, see the RHEL release notes. (BZ#1957242)\n\n* Red Hat Virtualization Host now includes an updated scap-security-guide-rhv which allows you to apply a PCI DSS security profile to the system during installation, (BZ#1883793)", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 7.8, "privilegesRequired": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.9}, "published": "2021-07-22T14:08:07", "type": "redhat", "title": "(RHSA-2021:2736) Important: Red Hat Virtualization Host security and bug fix update [ovirt-4.4.7]", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.2, "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-32399", "CVE-2021-33034", "CVE-2021-33909", "CVE-2021-33910", "CVE-2021-3447"], "modified": "2021-07-26T10:37:28", "id": "RHSA-2021:2736", "href": "https://access.redhat.com/errata/RHSA-2021:2736", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2021-10-19T20:37:23", "description": "Red Hat OpenShift distributed tracing (formerly OpenShift Jaeger) is Red Hat's distribution of the Jaeger project, tailored for installation into an on-premise OpenShift Container Platform\ninstallation.\n\nSecurity Fix(es):\n\n* nodejs-ua-parser-js: ReDoS via malicious User-Agent header (CVE-2021-27292)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.9}, "published": "2021-08-09T07:24:45", "type": "redhat", "title": "(RHSA-2021:3024) Low: Red Hat OpenShift Jaeger 1.24.0 Operator/Operand Containers security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-20271", "CVE-2021-27292", "CVE-2021-33910", "CVE-2021-3516", "CVE-2021-3517", "CVE-2021-3518", "CVE-2021-3520", "CVE-2021-3537", "CVE-2021-3541"], "modified": "2021-08-09T07:25:11", "id": "RHSA-2021:3024", "href": "https://access.redhat.com/errata/RHSA-2021:3024", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2021-10-19T20:35:46", "description": "OpenShift Virtualization is Red Hat's virtualization solution designed for Red Hat OpenShift Container Platform.\n\nThis advisory contains the following OpenShift Virtualization 4.8.1 images:\n\nRHEL-8-CNV-4.8\n==============\n\nkubevirt-v2v-conversion-container-v4.8.1-1\nbridge-marker-container-v4.8.1-2\nnode-maintenance-operator-container-v4.8.1-1\ncnv-containernetworking-plugins-container-v4.8.1-1\nvirtio-win-container-v4.8.1-1\novs-cni-plugin-container-v4.8.1-2\nkubevirt-vmware-container-v4.8.1-1\nkubernetes-nmstate-handler-container-v4.8.1-2\ncluster-network-addons-operator-container-v4.8.1-2\nkubemacpool-container-v4.8.1-2\novs-cni-marker-container-v4.8.1-2\ncnv-must-gather-container-v4.8.1-4\nvirt-operator-container-v4.8.1-2\nvm-import-virtv2v-container-v4.8.1-2\nvm-import-operator-container-v4.8.1-2\nvm-import-controller-container-v4.8.1-2\nkubevirt-template-validator-container-v4.8.1-2\nvirt-cdi-cloner-container-v4.8.1-5\nvirt-cdi-controller-container-v4.8.1-5\nvirt-cdi-operator-container-v4.8.1-5\nvirt-cdi-apiserver-container-v4.8.1-5\nhostpath-provisioner-operator-container-v4.8.1-3\nvirt-cdi-uploadproxy-container-v4.8.1-5\nvirt-cdi-importer-container-v4.8.1-5\nhyperconverged-cluster-operator-container-v4.8.1-3\nvirt-cdi-uploadserver-container-v4.8.1-5\nhyperconverged-cluster-webhook-container-v4.8.1-3\nhostpath-provisioner-container-v4.8.1-2\nkubevirt-ssp-operator-container-v4.8.1-5\nvirt-launcher-container-v4.8.1-3\nvirt-api-container-v4.8.1-3\nvirt-handler-container-v4.8.1-3\nvirt-controller-container-v4.8.1-3\nhco-bundle-registry-container-v4.8.1-18\n\nSecurity Fix(es):\n\n* gogo/protobuf: plugin/unmarshal/unmarshal.go lacks certain index validation (CVE-2021-3121)\n\n* golang: crypto/tls: certificate of wrong type is causing TLS client to panic (CVE-2021-34558)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nBug Fix(es):\n\n* [CNV 2.4.3] oc vm delete doesn't complete sometimes (BZ#1900631)\n\n* Migration fails with read only cdrom drive attached (BZ#1927378)\n\n* [CNV-2.5] Manifests in openshift-cnv missing resource requirements - Network (BZ#1935218)\n\n* [RFE][v2v] Expose the vddk library version loaded by nbdkit (BZ#1937405)\n\n* New OCP priority classes are not used - Network (BZ#1953482)\n\n* Migration fails with read only cdrom drive attached on \"timed out waiting for domain to be defined\" (BZ#1966903)\n\n* cfgMap kubevirt-ca brought in by kubevirt does not get reconciled (BZ#1968410)\n\n* Update nmstate version in CNV (BZ#1971262)\n\n* virt-api - deprecated API is used (BZ#1972762)\n\n* Pending VMIs when creating concurrent bulk of VMs backed by WFFC DVs (BZ#1974289)\n\n* Migration of 'Migratable' VMs fails although live migration is enabled for the target environment (BZ#1977277)\n\n* CDI importer doesn't report AwaitingVDDK like it used to (BZ#1979957)\n\n* [4.8.1] Cloning DataVolumes between namespaces fails while creating cdi-upload pod (BZ#1982269)\n\n* VMs Migration from a specific VMware fails the importer, on NfcFssrvrProcessErrorMsg (BZ#1984775)\n\n* [RFE] Keep the VddkInitImage value in the v2v-vmware conigMap when upgrading CNV from 2.6 to CNV-4.8 (BZ#1984801)\n\n* CDI Importer fails on large qcow2.gz (BZ#1989170)\n\n* 4.8.1 containers (BZ#1989410)\n\n* [hpp] CNV Daemonsets have maxUnavailable set to 1 which leads to very slow upgrades on large clusters (BZ#1990063)", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.9}, "published": "2021-08-24T12:14:15", "type": "redhat", "title": "(RHSA-2021:3259) Moderate: OpenShift Virtualization 4.8.1 Images security and bug fix update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2015-8011", "CVE-2020-8203", "CVE-2021-20271", "CVE-2021-27218", "CVE-2021-3121", "CVE-2021-32399", "CVE-2021-33909", "CVE-2021-33910", "CVE-2021-34558", "CVE-2021-3516", "CVE-2021-3517", "CVE-2021-3518", "CVE-2021-3520", "CVE-2021-3537", "CVE-2021-3541"], "modified": "2021-08-24T12:14:52", "id": "RHSA-2021:3259", "href": "https://access.redhat.com/errata/RHSA-2021:3259", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2021-10-19T20:38:19", "description": "OpenShift Virtualization is Red Hat's virtualization solution designed for Red Hat OpenShift Container Platform.\n\nThis advisory contains the following OpenShift Virtualization <version_number> images:\n\nRHEL-8-CNV-2.6\n\nhostpath-provisioner-container-v2.6.6-3\nvm-import-controller-container-v2.6.6-5\nvm-import-virtv2v-container-v2.6.6-5\nvm-import-operator-container-v2.6.6-5\nvirt-cdi-apiserver-container-v2.6.6-4\nvirt-cdi-controller-container-v2.6.6-4\nvirt-cdi-cloner-container-v2.6.6-4\nvirt-cdi-importer-container-v2.6.6-4\nvirt-cdi-uploadserver-container-v2.6.6-4\nvirt-cdi-uploadproxy-container-v2.6.6-4\nvirt-cdi-operator-container-v2.6.6-4\novs-cni-marker-container-v2.6.6-5\nkubevirt-ssp-operator-container-v2.6.6-5\nkubemacpool-container-v2.6.6-7\nkubevirt-vmware-container-v2.6.6-4\nkubevirt-kvm-info-nfd-plugin-container-v2.6.6-4\nkubevirt-cpu-model-nfd-plugin-container-v2.6.6-4\nkubevirt-cpu-node-labeller-container-v2.6.6-4\nvirtio-win-container-v2.6.6-4\nkubevirt-template-validator-container-v2.6.6-4\ncnv-containernetworking-plugins-container-v2.6.6-4\nnode-maintenance-operator-container-v2.6.6-4\nkubevirt-v2v-conversion-container-v2.6.6-4\ncluster-network-addons-operator-container-v2.6.6-4\novs-cni-plugin-container-v2.6.6-4\nbridge-marker-container-v2.6.6-4\nkubernetes-nmstate-handler-container-v2.6.6-7\nhyperconverged-cluster-webhook-container-v2.6.6-4\ncnv-must-gather-container-v2.6.6-16\nhyperconverged-cluster-operator-container-v2.6.6-4\nvirt-launcher-container-v2.6.6-7\nhostpath-provisioner-operator-container-v2.6.6-5\nvirt-api-container-v2.6.6-7\nvirt-handler-container-v2.6.6-7\nvirt-controller-container-v2.6.6-7\nvirt-operator-container-v2.6.6-7\nhco-bundle-registry-container-v2.6.6-70\n\nSecurity Fix(es):\n\n* golang: crypto/elliptic: incorrect operations on the P-224 curve (CVE-2021-3114)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.9}, "published": "2021-08-10T13:16:13", "type": "redhat", "title": "(RHSA-2021:3119) Moderate: OpenShift Virtualization 2.6.6 Images security and bug fix update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-10228", "CVE-2017-14502", "CVE-2019-13012", "CVE-2019-14866", "CVE-2019-25013", "CVE-2019-25032", "CVE-2019-25034", "CVE-2019-25035", "CVE-2019-25036", "CVE-2019-25037", "CVE-2019-25038", "CVE-2019-25039", "CVE-2019-25040", "CVE-2019-25041", "CVE-2019-25042", "CVE-2019-2708", "CVE-2019-9169", "CVE-2020-12362", "CVE-2020-12363", "CVE-2020-12364", "CVE-2020-13434", "CVE-2020-13543", "CVE-2020-13584", "CVE-2020-14344", "CVE-2020-14345", "CVE-2020-14346", "CVE-2020-14347", "CVE-2020-14360", "CVE-2020-14361", "CVE-2020-14362", "CVE-2020-14363", "CVE-2020-15358", "CVE-2020-25659", "CVE-2020-25712", "CVE-2020-26116", "CVE-2020-26137", "CVE-2020-27618", "CVE-2020-27619", "CVE-2020-28196", "CVE-2020-28935", "CVE-2020-29361", "CVE-2020-29362", "CVE-2020-29363", "CVE-2020-36242", "CVE-2020-8231", "CVE-2020-8284", "CVE-2020-8285", "CVE-2020-8286", "CVE-2020-8927", "CVE-2020-9948", "CVE-2020-9951", "CVE-2020-9983", "CVE-2021-20201", "CVE-2021-20271", "CVE-2021-23239", "CVE-2021-23240", "CVE-2021-23336", "CVE-2021-25215", "CVE-2021-25217", "CVE-2021-27219", "CVE-2021-28211", "CVE-2021-3114", "CVE-2021-3177", "CVE-2021-32399", "CVE-2021-3326", "CVE-2021-33909", "CVE-2021-33910", "CVE-2021-3516", "CVE-2021-3517", "CVE-2021-3518", "CVE-2021-3520", "CVE-2021-3537", "CVE-2021-3541", "CVE-2021-3560"], "modified": "2021-08-10T13:16:44", "id": "RHSA-2021:3119", "href": "https://access.redhat.com/errata/RHSA-2021:3119", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2021-10-19T20:38:51", "description": "Red Hat Advanced Cluster Management for Kubernetes 2.3.0 images\n\nRed Hat Advanced Cluster Management for Kubernetes provides the\ncapabilities to address common challenges that administrators and site\nreliability engineers face as they work across a range of public and\nprivate cloud environments. Clusters and applications are all visible and\nmanaged from a single console\u2014with security policy built in.\n\nThis advisory contains the container images for Red Hat Advanced Cluster\nManagement for Kubernetes, which fix several bugs and security issues. See\nthe following Release Notes documentation, which will be updated shortly\nfor this release, for additional details about this release:\n\nhttps://access.redhat.com/documentation/en-us/red_hat_advanced_cluster_mana\ngement_for_kubernetes/2.3/html/release_notes/\n\nSecurity:\n\n* fastify-reply-from: crafted URL allows prefix scape of the proxied backend service (CVE-2021-21321)\n\n* fastify-http-proxy: crafted URL allows prefix scape of the proxied\nbackend service (CVE-2021-21322)\n\n* nodejs-netmask: improper input validation of octal input data (CVE-2021-28918)\n\n* redis: Integer overflow via STRALGO LCS command (CVE-2021-29477)\n\n* redis: Integer overflow via COPY command for large intsets (CVE-2021-29478)\n\n* nodejs-glob-parent: Regular expression denial of service (CVE-2020-28469)\n\n* nodejs-lodash: ReDoS via the toNumber, trim and trimEnd functions\n(CVE-2020-28500)\n\n* golang.org/x/text: Panic in language.ParseAcceptLanguage while parsing -u- extension (CVE-2020-28851)\n\n* golang.org/x/text: Panic in language.ParseAcceptLanguage while processing\nbcp47 tag (CVE-2020-28852)\n\n* nodejs-ansi_up: XSS due to insufficient URL sanitization (CVE-2021-3377)\n\n* oras: zip-slip vulnerability via oras-pull (CVE-2021-21272)\n\n* redis: integer overflow when configurable limit for maximum supported bulk input size is too big on 32-bit platforms (CVE-2021-21309)\n\n* nodejs-lodash: command injection via template (CVE-2021-23337)\n\n* nodejs-hosted-git-info: Regular Expression denial of service via shortcutMatch in fromUrl() (CVE-2021-23362)\n\n* browserslist: parsing of invalid queries could result in Regular Expression Denial of Service (ReDoS) (CVE-2021-23364)\n\n* nodejs-postcss: Regular expression denial of service during source map parsing (CVE-2021-23368)\n\n* nodejs-handlebars: Remote code execution when compiling untrusted compile templates with strict:true option (CVE-2021-23369)\n\n* nodejs-postcss: ReDoS via getAnnotationURL() and loadAnnotation() in lib/previous-map.js (CVE-2021-23382)\n\n* nodejs-handlebars: Remote code execution when compiling untrusted compile templates with compat:true option (CVE-2021-23383)\n\n* openssl: integer overflow in CipherUpdate (CVE-2021-23840)\n\n* openssl: NULL pointer dereference in X509_issuer_and_serial_hash()\n(CVE-2021-23841)\n\n* nodejs-ua-parser-js: ReDoS via malicious User-Agent header (CVE-2021-27292)\n\n* grafana: snapshot feature allow an unauthenticated remote attacker to trigger a DoS via a remote API call (CVE-2021-27358)\n\n* nodejs-is-svg: ReDoS via malicious string (CVE-2021-28092)\n\n* nodejs-netmask: incorrectly parses an IP address that has octal integer with invalid character (CVE-2021-29418)\n\n* ulikunitz/xz: Infinite loop in readUvarint allows for denial of service (CVE-2021-29482)\n\n* normalize-url: ReDoS for data URLs (CVE-2021-33502)\n\n* nodejs-trim-newlines: ReDoS in .end() method (CVE-2021-33623)\n\n* nodejs-path-parse: ReDoS via splitDeviceRe, splitTailRe and splitPathRe (CVE-2021-23343)\n\n* html-parse-stringify: Regular Expression DoS (CVE-2021-23346)\n\n* openssl: incorrect SSLv2 rollback protection (CVE-2021-23839)\n\nFor more details about the security issues, including the impact, a CVSS\nscore, acknowledgments, and other related information, refer to the CVE\npages listed in the References section.\n\nBugs:\n\n* RFE Make the source code for the endpoint-metrics-operator public (BZ# 1913444)\n\n* cluster became offline after apiserver health check (BZ# 1942589)", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 10.0, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 6.0}, "published": "2021-08-05T12:52:42", "type": "redhat", "title": "(RHSA-2021:3016) Important: Red Hat Advanced Cluster Management for Kubernetes version 2.3", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.3, "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-10228", "CVE-2017-14502", "CVE-2018-1000858", "CVE-2018-20843", "CVE-2019-13050", "CVE-2019-13627", "CVE-2019-14889", "CVE-2019-15903", "CVE-2019-19906", "CVE-2019-20454", "CVE-2019-20934", "CVE-2019-25013", "CVE-2019-2708", "CVE-2019-9169", "CVE-2020-11668", "CVE-2020-13434", "CVE-2020-15358", "CVE-2020-1730", "CVE-2020-27618", "CVE-2020-28196", "CVE-2020-28469", "CVE-2020-28500", "CVE-2020-28851", "CVE-2020-28852", "CVE-2020-29361", "CVE-2020-29362", "CVE-2020-29363", "CVE-2020-8231", "CVE-2020-8284", "CVE-2020-8285", "CVE-2020-8286", "CVE-2020-8927", "CVE-2021-20271", "CVE-2021-20305", "CVE-2021-21272", "CVE-2021-21309", "CVE-2021-21321", "CVE-2021-21322", "CVE-2021-23337", "CVE-2021-23343", "CVE-2021-23346", "CVE-2021-23362", "CVE-2021-23364", "CVE-2021-23368", "CVE-2021-23369", "CVE-2021-23382", "CVE-2021-23383", "CVE-2021-23839", "CVE-2021-23840", "CVE-2021-23841", "CVE-2021-25217", "CVE-2021-27219", "CVE-2021-27292", "CVE-2021-27358", "CVE-2021-28092", "CVE-2021-28918", "CVE-2021-29418", "CVE-2021-29477", "CVE-2021-29478", "CVE-2021-29482", "CVE-2021-32399", "CVE-2021-33033", "CVE-2021-33034", "CVE-2021-3326", "CVE-2021-33502", "CVE-2021-33623", "CVE-2021-3377", "CVE-2021-33909", "CVE-2021-33910", "CVE-2021-3449", "CVE-2021-3450", "CVE-2021-3516", "CVE-2021-3517", "CVE-2021-3518", "CVE-2021-3520", "CVE-2021-3537", "CVE-2021-3541", "CVE-2021-3560"], "modified": "2021-08-05T12:52:59", "id": "RHSA-2021:3016", "href": "https://access.redhat.com/errata/RHSA-2021:3016", "cvss": {"score": 9.3, "vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C"}}], "altlinux": [{"lastseen": "2022-06-10T03:05:08", "description": "1:246.14-alt1 built July 23, 2021 Alexey Shabalin in task [#279856](<https://git.altlinux.org/tasks/279856/>) \n--- \nJuly 20, 2021 Alexey Shabalin \n \n \n - 246.14\n - Fixes CVE-2021-33910\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 5.5, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-07-23T00:00:00", "type": "altlinux", "title": "Security fix for the ALT Linux 9 package systemd version 1:246.14-alt1", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33910"], "modified": "2021-07-23T00:00:00", "id": "BE29AC72370EA5ED50AC36CA86A56B0C", "href": "https://packages.altlinux.org/en/p9/srpms/systemd/2692059061475114602", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}], "ubuntucve": [{"lastseen": "2022-08-04T13:17:38", "description": "basic/unit-name.c in systemd prior to 246.15, 247.8, 248.5, and 249.1 has a\nMemory Allocation with an Excessive Size Value (involving strdupa and\nalloca for a pathname controlled by a local attacker) that results in an\noperating system crash.", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 5.5, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-07-20T00:00:00", "type": "ubuntucve", "title": "CVE-2021-33910", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33910"], "modified": "2021-07-20T00:00:00", "id": "UB:CVE-2021-33910", "href": "https://ubuntu.com/security/CVE-2021-33910", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}], "archlinux": [{"lastseen": "2021-11-27T06:38:59", "description": "Arch Linux Security Advisory ASA-202107-57\n==========================================\n\nSeverity: Medium\nDate : 2021-07-21\nCVE-ID : CVE-2021-33910\nPackage : systemd\nType : denial of service\nRemote : No\nLink : https://security.archlinux.org/AVG-2179\n\nSummary\n=======\n\nThe package systemd before version 249.1-1 is vulnerable to denial of\nservice.\n\nResolution\n==========\n\nUpgrade to 249.1-1.\n\n# pacman -Syu \"systemd>=249.1-1\"\n\nThe problem has been fixed upstream in version 249.1.\n\nWorkaround\n==========\n\nNone.\n\nDescription\n===========\n\nA denial of service security issue has been found in systemd before\nversion 249.1. A local attacker who is able to mount a filesystem with\na very long path can crash systemd and the whole system through an\nattacker-controlled alloca().\n\nImpact\n======\n\nA local unprivileged attacker who is able to mount a filesystem with a\nvery long path can crash systemd and therefore the whole system.\n\nReferences\n==========\n\nhttps://www.qualys.com/2021/07/20/cve-2021-33910/denial-of-service-systemd.txt\nhttps://www.qualys.com/2021/07/20/cve-2021-33910/cve-2021-33910-crasher.c\nhttps://bugzilla.redhat.com/show_bug.cgi?id=1970887\nhttps://github.com/systemd/systemd/pull/20256\nhttps://github.com/systemd/systemd/commit/441e0115646d54f080e5c3bb0ba477c892861ab9\nhttps://github.com/systemd/systemd-stable/commit/764b74113e36ac5219a4b82a05f311b5a92136ce\nhttps://security.archlinux.org/CVE-2021-33910", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "baseScore": 5.5, "privilegesRequired": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 3.6}, "published": "2021-07-21T00:00:00", "type": "archlinux", "title": "[ASA-202107-57] systemd: denial of service", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33910"], "modified": "2021-07-21T00:00:00", "id": "ASA-202107-57", "href": "https://security.archlinux.org/ASA-202107-57", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}], "f5": [{"lastseen": "2022-02-10T00:00:00", "description": "basic/unit-name.c in systemd prior to 246.15, 247.8, 248.5, and 249.1 has a Memory Allocation with an Excessive Size Value (involving strdupa and alloca for a pathname controlled by a local attacker) that results in an operating system crash. ([CVE-2021-33910](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33910>))\n\nImpact\n\nThere is no impact; F5 products are not affected by this vulnerability.\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 5.5, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-08-03T00:43:00", "type": "f5", "title": "systemd vulnerability CVE-2021-33910", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33910"], "modified": "2021-08-03T00:43:00", "id": "F5:K50642058", "href": "https://support.f5.com/csp/article/K50642058", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}], "rocky": [{"lastseen": "2022-03-02T15:15:06", "description": "An update for systemd is now available for Rocky Linux 8.\nRocky Linux Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.\nThe systemd packages contain systemd, a system and service manager for Linux, compatible with the SysV and LSB init scripts. It provides aggressive parallelism capabilities, uses socket and D-Bus activation for starting services, offers on-demand starting of daemons, and keeps track of processes using Linux cgroups. In addition, it supports snapshotting and restoring of the system state, maintains mount and automount points, and implements an elaborate transactional dependency-based service control logic. It can also work as a drop-in replacement for sysvinit.\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 5.5, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-07-22T03:11:23", "type": "rocky", "title": "systemd security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33910"], "modified": "2021-07-22T03:11:23", "id": "RLSA-2021:2717", "href": "https://errata.rockylinux.org/RLSA-2021:2717", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}], "ibm": [{"lastseen": "2022-10-01T01:46:08", "description": "## Summary\n\nThere is a security vulnerability in versions of systemd that are shipped with versions of IBM Elastic Storage System. A fix for this vulnerability is available.\n\n## Vulnerability Details\n\n** CVEID: **[CVE-2021-33910](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33910>) \n** DESCRIPTION: **Systemd is vulnerable to a denial of service, caused by a memory allocation with an excessive size value in basic/unit-name.c. By sending a specially-crafted request, a local attacker could exploit this vulnerability to cause the system to crash. \nCVSS Base score: 6.2 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/205907](<https://exchange.xforce.ibmcloud.com/vulnerabilities/205907>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\n## Affected Products and Versions\n\nAffected Product(s)| Version(s) \n---|--- \nIBM Elastic Storage System| 6.0.0 - 6.0.2.2 \nIBM Elastic Storage System| 6.1.0 - 6.1.1.2 \n \n\n\n## Remediation/Fixes\n\nIBM recommends that you fix this vulnerability by upgrading affected versions of IBM Elastic Storage System 3000, 3200 and 5000 to the following code levels or higher: \n\nV6.0.2.3 or V6.1.2\n\n[https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%20defined%20storage&product=ibm/StorageSoftware/IBM+Elastic+Storage+Server+(ESS)&release=6.1.0&platform=All&function=all](<https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%20defined%20storage&product=ibm/StorageSoftware/IBM+Elastic+Storage+Server+%28ESS%29&release=6.1.0&platform=All&function=all>)\n\n[https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%20defined%20storage&product=ibm/StorageSoftware/IBM+Elastic+Storage+Server+(ESS)&release=6.0.0&platform=Linux+PPC64LE&function=all](<https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%20defined%20storage&product=ibm/StorageSoftware/IBM+Elastic+Storage+Server+%28ESS%29&release=6.0.0&platform=Linux+PPC64LE&function=all>)\n\n## Workarounds and Mitigations\n\nNone\n\n## Get Notified about Future Security Bulletins\n\nSubscribe to [My Notifications](< http://www-01.ibm.com/software/support/einfo.html>) to be notified of important product support alerts like this.\n\n### References \n\n[Complete CVSS v3 Guide](<http://www.first.org/cvss/user-guide> \"Link resides outside of ibm.com\" ) \n[On-line Calculator v3](<http://www.first.org/cvss/calculator/3.0> \"Link resides outside of ibm.com\" )\n\nOff \n\n## Related Information\n\n[IBM Secure Engineering Web Portal](<http://www.ibm.com/security/secure-engineering/bulletins.html>) \n[IBM Product Security Incident Response Blog](<http://www.ibm.com/blogs/psirt>)\n\n## Change History\n\n21 Dec 2021: Initial Publication\n\n*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.\n\n## Disclaimer\n\nReview the [IBM security bulletin disclaimer and definitions](<https://www.ibm.com/support/pages/node/6610583#disclaimer>) regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.\n\n## Document Location\n\nWorldwide\n\n[{\"Business Unit\":{\"code\":\"BU058\",\"label\":\"IBM Infrastructure w\\/TPS\"},\"Product\":{\"code\":\"STHMCM\",\"label\":\"IBM Elastic Storage Server\"},\"Component\":\"\",\"Platform\":[{\"code\":\"PF016\",\"label\":\"Linux\"}],\"Version\":\"6.0, 6.1\",\"Edition\":\"\",\"Line of Business\":{\"code\":\"LOB26\",\"label\":\"Storage\"}}]", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 5.5, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-12-21T18:21:55", "type": "ibm", "title": "Security Bulletin: There is a vulnerability in the systemd used in IBM Elastic Storage System", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33910"], "modified": "2021-12-21T18:21:55", "id": "1C795E69165BBEB291DC432C586C81C6965C1BB17049A9AA1DFFA3BD85BD9F59", "href": "https://www.ibm.com/support/pages/node/6529348", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2022-10-01T01:49:36", "description": "## Summary\n\nThere are multiple Ruby vulnerabilities that affect IBM Cloud Foundry Migration Runtime that could cause a denial of service, HTTP response splitting, a remote attacker to bypass security restrictions, a remote attacker to obtain sensitive information, a local attacker to gain unauthorized access to the system and a local authenticated attacker to execute arbitrary code on the system.\n\n## Vulnerability Details\n\n** CVEID: **[CVE-2021-25217](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25217>) \n** DESCRIPTION: **ISC DHCP is vulnerable to a denial of service, caused by a buffer overrun in program code used to read and parse stored leases. A remote attacker from within the local network could exploit this vulnerability to cause a crash in the DHCP server or DHCP client. \nCVSS Base score: 6.5 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/202604](<https://exchange.xforce.ibmcloud.com/vulnerabilities/202604>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) \n \n** CVEID: **[CVE-2020-25613](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25613>) \n** DESCRIPTION: **WEBrick gem for Ruby is vulnerable to HTTP request smuggling, caused by improper validation of transfer-encoding header value. By sending specially a crafted HTTP(S) request, an attacker could exploit this vulnerability to poison the web cache, bypass web application firewall protection, and conduct XSS attacks. \nCVSS Base score: 9.1 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/189414](<https://exchange.xforce.ibmcloud.com/vulnerabilities/189414>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N) \n \n** CVEID: **[CVE-2021-28965](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28965>) \n** DESCRIPTION: **REXML gem for Ruby could allow a remote attacker to bypass security restrictions, caused by an XML round-trip issues when parsing and serializing XML document. By using a specially-crafted XML document, an attacker could exploit this vulnerability to create an incorrect XML document. \nCVSS Base score: 5.6 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/200534](<https://exchange.xforce.ibmcloud.com/vulnerabilities/200534>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L) \n \n** CVEID: **[CVE-2019-15845](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-15845>) \n** DESCRIPTION: **Ruby could allow a local attacker to gain unauthorized access to the system, caused by a NUL injection vulnerability in the built-in methods (File.fnmatch and File.fnmatch). An attacker could exploit this vulnerability to make path matching pass despite the intention of the program author. \nCVSS Base score: 5.1 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/169463](<https://exchange.xforce.ibmcloud.com/vulnerabilities/169463>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N) \n \n** CVEID: **[CVE-2019-16201](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-16201>) \n** DESCRIPTION: **Ruby is vulnerable to a denial of service, caused by an error in WEBrick\u2019s Digest authentication module. A remote attacker could exploit this vulnerability to cause a regular expression denial of service condition. \nCVSS Base score: 7.5 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/169462](<https://exchange.xforce.ibmcloud.com/vulnerabilities/169462>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) \n \n** CVEID: **[CVE-2019-16254](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-16254>) \n** DESCRIPTION: **Ruby is vulnerable to HTTP response splitting attacks, caused by improper validation of user-supplied input in the WEBrick module. A remote attacker could exploit this vulnerability to inject arbitrary HTTP headers and cause the server to return a split response, once the URL is clicked. This would allow the attacker to perform further attacks, such as Web cache poisoning or cross-site scripting, and possibly obtain sensitive information. \nCVSS Base score: 6.8 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/169464](<https://exchange.xforce.ibmcloud.com/vulnerabilities/169464>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N) \n \n** CVEID: **[CVE-2019-16255](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-16255>) \n** DESCRIPTION: **Ruby could allow a local attacker to execute arbitrary commands on the system, caused by a code injection vulnerability in the (lib/shell.rb standard library. By passing untrusted data to methods of Shell, an attacker could exploit this vulnerability to inject code and call an arbitrary Ruby method. \nCVSS Base score: 7.8 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/169465](<https://exchange.xforce.ibmcloud.com/vulnerabilities/169465>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) \n \n** CVEID: **[CVE-2019-3881](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3881>) \n** DESCRIPTION: **RubyGems Bundler could allow a local authenticated attacker to execute arbitrary code on the system, caused by an insecure temporary directory issue in tmp/ when the home directory of the user is not writable the tmp_home_path function in lib/bundler.rb. By placing a specially-crafted file to the temporary directory, an attacker could exploit this vulnerability to execute arbitrary code on the system. \nCVSS Base score: 7.8 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/187807](<https://exchange.xforce.ibmcloud.com/vulnerabilities/187807>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) \n \n** CVEID: **[CVE-2020-10663](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-10663>) \n** DESCRIPTION: **RubyGems JSON gem for Ruby could allow a remote attacker to bypass security restrictions, caused by improper validation of input by the gem when parsing JSON documents. By parsing a specially-crafted JSON document, an attacker could exploit this vulnerability to create malicious object within the interpreter. \nCVSS Base score: 7.5 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/181414](<https://exchange.xforce.ibmcloud.com/vulnerabilities/181414>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N) \n \n** CVEID: **[CVE-2020-10933](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-10933>) \n** DESCRIPTION: **Ruby could allow a remote attacker to obtain sensitive information, caused by a flaw in the BasicSocket#read_nonblock method. By sending a specially-crafted request, an attacker could exploit this vulnerability to obtain sensitive information from the heap buffer, and use this information to launch further attacks against the affected system. \nCVSS Base score: 5.3 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/181416](<https://exchange.xforce.ibmcloud.com/vulnerabilities/181416>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N) \n \n** CVEID: **[CVE-2021-33910](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33910>) \n** DESCRIPTION: **Systemd is vulnerable to a denial of service, caused by a memory allocation with an excessive size value in basic/unit-name.c. By sending a specially-crafted request, a local attacker could exploit this vulnerability to cause the system to crash. \nCVSS Base score: 6.2 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/205907](<https://exchange.xforce.ibmcloud.com/vulnerabilities/205907>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\n## Affected Products and Versions\n\nAffected Product(s)| Version(s) \n---|--- \nIBM Cloud Foundry Migration Runtime| 4.1.1 \n \n\n\n## Remediation/Fixes\n\nTo upgrade to IBM Cloud Foundry Migration Runtime 4.1.2 or higher, if automatic upgrades has been disabled, locate IBM Cloud Foundry Migration Runtime in the IBM Operator Catalog in OperatorHub UI in OpenShift to uninstall the affected version and reinstall the latest version. \n\nThe operator is installed by subscribing to one of the update channels which also keeps the operator up to date.\n\nTo find the current version of IBM Cloud Foundry Migration Runtime being used,\n\nClick on the IBM Cloud Foundry Operator Catalog menu.\n\nSelect IBM Cloud Foundry Migration Runtime catalog.\n\nIf the version located on the left hand side of the catalog is 2.1.0 an upgrade is required. A successful upgrade will show 2.1.1.\n\n## Workarounds and Mitigations\n\nNone\n\n## Get Notified about Future Security Bulletins\n\nSubscribe to [My Notifications](< http://www-01.ibm.com/software/support/einfo.html>) to be notified of important product support alerts like this.\n\n### References \n\n[Complete CVSS v3 Guide](<http://www.first.org/cvss/user-guide> \"Link resides outside of ibm.com\" ) \n[On-line Calculator v3](<http://www.first.org/cvss/calculator/3.0> \"Link resides outside of ibm.com\" )\n\nOff \n\n## Related Information\n\n[IBM Secure Engineering Web Portal](<http://www.ibm.com/security/secure-engineering/bulletins.html>) \n[IBM Product Security Incident Response Blog](<http://www.ibm.com/blogs/psirt>)\n\n## Change History\n\n4 Oct 2021: Initial Publication\n\n*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.\n\n## Disclaimer\n\nReview the [IBM security bulletin disclaimer and definitions](<https://www.ibm.com/support/pages/node/6610583#disclaimer>) regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.\n\n## Document Location\n\nWorldwide\n\n[{\"Business Unit\":{\"code\":\"BU053\",\"label\":\"Cloud \\u0026 Data Platform\"},\"Product\":{\"code\":\"SSBHDK\",\"label\":\"IBM Cloud Foundry Migration Runtime\"},\"Component\":\"\",\"Platform\":[{\"code\":\"PF016\",\"label\":\"Linux\"}],\"Version\":\"4.1.1\",\"Edition\":\"\",\"Line of Business\":{\"code\":\"LOB36\",\"label\":\"IBM Automation\"}}]", "cvss3": {"exploitabilityScore": 2.2, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 8.1, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-10-13T14:44:47", "type": "ibm", "title": "Security Bulletin: Multiple security vulnerabilities affect IBM Cloud Foundry Migration Runtime", "bulletinFamily": "software", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 7.8, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2019-15845", "CVE-2019-16201", "CVE-2019-16254", "CVE-2019-16255", "CVE-2019-3881", "CVE-2020-10663", "CVE-2020-10933", "CVE-2020-25613", "CVE-2021-25217", "CVE-2021-28965", "CVE-2021-33910"], "modified": "2021-10-13T14:44:47", "id": "DABA54C910D787AA9C35B75D7ABCC7D92583CC7B7E08D8777DA37589A3BB056B", "href": "https://www.ibm.com/support/pages/node/6498497", "cvss": {"score": 7.8, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2022-10-01T01:49:30", "description": "## Summary\n\nCloud Pak for Security (CP4S) v1.7.2.0 and earlier uses packages that are vulnerable to several CVEs. These issues have been addressed in an update. See the Fixes section below for instructions. \n\n## Vulnerability Details\n\n** CVEID: **[CVE-2020-24332](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-24332>) \n** DESCRIPTION: **TrouSerS could allow a remote authenticated attacker to gain elevated privileges on the system, caused by a flaw in the tscd Daemon. By using symlink attacks, an attacker could exploit this vulnerability to create or corrupt existing files. \nCVSS Base score: 7.1 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/186821](<https://exchange.xforce.ibmcloud.com/vulnerabilities/186821>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H) \n \n** CVEID: **[CVE-2021-22543](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22543>) \n** DESCRIPTION: **Linux Kernel could allow a local authenticated attacker to gain elevated privileges on the system, caused by improper handling of VM_IO|VM_PFNMAP vmas in KVM. By sending a specially-crafted request, an authenticated attacker could exploit this vulnerability to gain elevated privileges to start and control a VM to read/write random pages of memory. \nCVSS Base score: 7.1 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/202561](<https://exchange.xforce.ibmcloud.com/vulnerabilities/202561>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N) \n \n** CVEID: **[CVE-2019-9169](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9169>) \n** DESCRIPTION: **GNU glibc is vulnerable to a heap-based buffer overflow, caused by a buffer over-read flaw in the proceed_next_node function in posix/regexec.c. By sending a specially-crafted argument using a case-insensitive regular-expression match, a remote attacker could overflow a buffer and execute arbitrary code on the system. \nCVSS Base score: 7.3 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/157800](<https://exchange.xforce.ibmcloud.com/vulnerabilities/157800>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L) \n \n** CVEID: **[CVE-2021-3450](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3450>) \n** DESCRIPTION: **OpenSSL could allow a remote attacker to bypass security restrictions, caused by a a missing check in the validation logic of X.509 certificate chains by the X509_V_FLAG_X509_STRICT flag. By using any valid certificate or certificate chain to sign a specially crafted certificate, an attacker could bypass the check that non-CA certificates must not be able to issue other certificates and override the default purpose. \nCVSS Base score: 7.4 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/198754](<https://exchange.xforce.ibmcloud.com/vulnerabilities/198754>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H) \n \n** CVEID: **[CVE-2019-25013](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-25013>) \n** DESCRIPTION: **GNU glibc is vulnerable to a denial of service, caused by a buffer over-read in iconv feature. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause a SIGSEGV. \nCVSS Base score: 7.5 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/194579](<https://exchange.xforce.ibmcloud.com/vulnerabilities/194579>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) \n \n** CVEID: **[CVE-2020-13434](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13434>) \n** DESCRIPTION: **SQLite is vulnerable to a denial of service, caused by an integer overflow in the sqlite3_str_vappendf function. By sending a specially-crafted request, a remote attacker could overflow a buffer and cause a denial of service. \nCVSS Base score: 7.5 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/182405](<https://exchange.xforce.ibmcloud.com/vulnerabilities/182405>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) \n \n** CVEID: **[CVE-2020-25648](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25648>) \n** DESCRIPTION: **Mozilla Network Security Services (NSS), as used in Mozilla Firefox is vulnerable to a denial of service, caused by improper handling of CCS (ChangeCipherSpec) messages in TLS. By sending specially-crafted CCS messages, a remote attacker could exploit this vulnerability to cause the system to crash. \nCVSS Base score: 7.5 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/190416](<https://exchange.xforce.ibmcloud.com/vulnerabilities/190416>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) \n \n** CVEID: **[CVE-2020-25692](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25692>) \n** DESCRIPTION: **OpenLDAP is vulnerable to a denial of service, caused by a NULL pointer dereference. By sending a specially crafted TCP packet, a remote attacker could exploit this vulnerability to cause slapd to crash. \nCVSS Base score: 7.5 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/191968](<https://exchange.xforce.ibmcloud.com/vulnerabilities/191968>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) \n \n** CVEID: **[CVE-2020-28196](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-28196>) \n** DESCRIPTION: **MIT Kerberos 5 (aka krb5) is vulnerable to a denial of service, caused by an unbounded recursion flaw in lib/krb5/asn.1/asn1_encode.c. By sending a specially-crafted ASN.1-encoded Kerberos message, a remote attacker could exploit this vulnerability to cause a denial of service condition. \nCVSS Base score: 7.5 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/191321](<https://exchange.xforce.ibmcloud.com/vulnerabilities/191321>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) \n \n** CVEID: **[CVE-2020-29361](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-29361>) \n** DESCRIPTION: **p11-glue p11-kit are vulnerable to a denial of service, caused by multiple integer overflows when allocating memory for arrays of attributes and object identifiers. By sending a specially-crafted request using realloc or calloc function, an attacker could exploit this vulnerability to cause a denial of service or possibly execute arbitrary code on the system. \nCVSS Base score: 7.5 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/193532](<https://exchange.xforce.ibmcloud.com/vulnerabilities/193532>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) \n \n** CVEID: **[CVE-2020-29362](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-29362>) \n** DESCRIPTION: **p11-glue p11-kit could allow a remote attacker to obtain sensitive information, caused by a heap-based buffer over-read flaw in the RPC protocol. By sending a specially-crafted request, an attacker could exploit this vulnerability to obtain up to 4 bytes of memory past the heap allocation, and use this information to launch further attacks against the affected system. \nCVSS Base score: 5.3 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/193533](<https://exchange.xforce.ibmcloud.com/vulnerabilities/193533>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N) \n \n** CVEID: **[CVE-2020-29363](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-29363>) \n** DESCRIPTION: **p11-glue p11-kit is vulnerable to a denial of service, caused by a heap-based buffer overflow in the RPC protocol. By sending a serialized byte array in a CK_ATTRIBUTE, a remote attacker could overflow a buffer and cause a denial of service. \nCVSS Base score: 7.5 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/193534](<https://exchange.xforce.ibmcloud.com/vulnerabilities/193534>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) \n \n** CVEID: **[CVE-2020-8285](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8285>) \n** DESCRIPTION: **cURL libcurl is vulnerable to a denial of service, caused by a stack-based buffer overflow in the wildcard matching function. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause the application to crash. \nCVSS Base score: 7.5 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/192855](<https://exchange.xforce.ibmcloud.com/vulnerabilities/192855>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) \n \n** CVEID: **[CVE-2020-8286](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8286>) \n** DESCRIPTION: **cURL libcurl could allow a remote attacker to bypass security restrictions, caused by improper OCSP response verification. By sending a specially-crafted request, an attacker could exploit this vulnerability to breach a TLS server. \nCVSS Base score: 7.5 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/192856](<https://exchange.xforce.ibmcloud.com/vulnerabilities/192856>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N) \n \n** CVEID: **[CVE-2020-8625](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8625>) \n** DESCRIPTION: **ISC BIND is vulnerable to a buffer overflow, caused by improper bounds checking by the SPNEGO implementation. By setting valid values for the tkey-gssapi-keytab or tkey-gssapi-credentialconfiguration options, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the named process to crash. \nCVSS Base score: 8.1 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/196959](<https://exchange.xforce.ibmcloud.com/vulnerabilities/196959>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H) \n \n** CVEID: **[CVE-2021-23362](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23362>) \n** DESCRIPTION: **Node.js hosted-git-info module is vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) flaw in the fromUrl function in index.js. By sending a specially-crafted regex input, a remote attacker could exploit this vulnerability to cause a denial of service condition. \nCVSS Base score: 7.5 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/198792](<https://exchange.xforce.ibmcloud.com/vulnerabilities/198792>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) \n \n** CVEID: **[CVE-2021-2388](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-2388>) \n** DESCRIPTION: **An unspecified vulnerability in Java SE related to the VM component could allow an unauthenticated attacker to take control of the system. \nCVSS Base score: 7.5 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/205815](<https://exchange.xforce.ibmcloud.com/vulnerabilities/205815>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H) \n \n** CVEID: **[CVE-2021-25215](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25215>) \n** DESCRIPTION: **ISC BIND is vulnerable to a denial of service, caused by an assertion failure while answering queries for DNAME records. By sending a query for DNAME records, an attacker could exploit this vulnerability to trigger a failed assertion check and terminate the named process. \nCVSS Base score: 7.5 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/200960](<https://exchange.xforce.ibmcloud.com/vulnerabilities/200960>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) \n \n** CVEID: **[CVE-2021-27219](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27219>) \n** DESCRIPTION: **GNOME GLib could allow a remote attacker to cause a denial of service, caused by an integer overflow in the g_bytes_new function. An attacker could exploit this vulnerability to corrupt memory and cause a denial of service. \nCVSS Base score: 7.5 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/196782](<https://exchange.xforce.ibmcloud.com/vulnerabilities/196782>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) \n \n** CVEID: **[CVE-2021-27290](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27290>) \n** DESCRIPTION: **Node.js ssri module is vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) flaw by the SRIs. By sending a specially-crafted regex string, a remote attacker could exploit this vulnerability to cause a denial of service condition. \nCVSS Base score: 7.5 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/198144](<https://exchange.xforce.ibmcloud.com/vulnerabilities/198144>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) \n \n** CVEID: **[CVE-2021-3326](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3326>) \n** DESCRIPTION: **GNU C Library (aka glibc or libc6) is vulnerable to a denial of service, caused by an assertion failure when processing invalid input sequences in the ISO-2022-JP-3 encoding in the iconv function. By sending specially-crafted input, a remote attacker could exploit this vulnerability to cause the application to crash. \nCVSS Base score: 7.5 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/195732](<https://exchange.xforce.ibmcloud.com/vulnerabilities/195732>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) \n \n** CVEID: **[CVE-2021-3449](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3449>) \n** DESCRIPTION: **OpenSSL is vulnerable to a denial of service, caused by a NULL pointer dereference in signature_algorithms processing. By sending a specially crafted renegotiation ClientHello message from a client, a remote attacker could exploit this vulnerability to cause the TLS server to crash. \nCVSS Base score: 7.5 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/198752](<https://exchange.xforce.ibmcloud.com/vulnerabilities/198752>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) \n \n** CVEID: **[CVE-2021-3537](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3537>) \n** DESCRIPTION: **GNOME libxml2 is vulnerable to a denial of service, caused by a NULL pointer dereference flaw when parsing XML mixed content in recovery mode and post-validated. A remote attacker could exploit this vulnerability to cause the application to crash. \nCVSS Base score: 7.5 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/203084](<https://exchange.xforce.ibmcloud.com/vulnerabilities/203084>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) \n \n** CVEID: **[CVE-2017-14502](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14502>) \n** DESCRIPTION: **libarchive is vulnerable to a buffer overflow, caused by improper bounds checking by the read_header function in archive_read_support_format_rar.c. By persuading a victim to open a specially-crafted RAR file, a remote attacker could overflow a buffer and execute arbitrary code on the system. \nCVSS Base score: 7.8 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/132123](<https://exchange.xforce.ibmcloud.com/vulnerabilities/132123>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) \n \n** CVEID: **[CVE-2020-24330](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-24330>) \n** DESCRIPTION: **TrouSerS could allow a local authenticated attacker to gain elevated privileges on the system, caused by a flaw when the tcsd daemon is started with root privileges instead of by the tss user. An attacker could exploit this vulnerability to gain root privileges on the system. \nCVSS Base score: 7.8 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/186762](<https://exchange.xforce.ibmcloud.com/vulnerabilities/186762>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) \n \n** CVEID: **[CVE-2020-24331](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-24331>) \n** DESCRIPTION: **TrouSerS could allow a local authenticated attacker to gain elevated privileges on the system, caused by a flaw when the tcsd daemon is started with root privileges. An attacker could exploit this vulnerability to gain read and write privileges on the system. \nCVSS Base score: 7.8 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/186763](<https://exchange.xforce.ibmcloud.com/vulnerabilities/186763>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) \n \n** CVEID: **[CVE-2020-24977](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-24977>) \n** DESCRIPTION: **GNOME libxml2 is vulnerable to a buffer overflow, caused by improper bounds checking by the xmlEncodeEntitiesInternal function in libxml2/entities.c. By persuading a victim to open a specially-crafted file, a remote attacker could overflow a buffer and execute arbitrary code on the system. \nCVSS Base score: 7.8 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/187847](<https://exchange.xforce.ibmcloud.com/vulnerabilities/187847>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) \n \n** CVEID: **[CVE-2021-22555](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22555>) \n** DESCRIPTION: **Linux Kernel could allow a local authenticated attacker to gain elevated privileges on the system, caused by a heap out-of-bounds write flaw in net/netfilter/x_tables.c. By sending a specially-crafted request through user name space, an authenticated attacker could exploit this vulnerability to gain elevated privileges or cause a denial of service condition. \nCVSS Base score: 7.8 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/204997](<https://exchange.xforce.ibmcloud.com/vulnerabilities/204997>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) \n \n** CVEID: **[CVE-2021-3516](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3516>) \n** DESCRIPTION: **libxml2 could allow a remote attacker to execute arbitrary code on the system, caused by a use-after-free in xmlEncodeEntitiesInternal() in entities.c. By persuading a victim to open a specially crafted file, an attacker could exploit this vulnerability to execute arbitrary code on the system. \nCVSS Base score: 7.8 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/202838](<https://exchange.xforce.ibmcloud.com/vulnerabilities/202838>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) \n \n** CVEID: **[CVE-2021-3609](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3609>) \n** DESCRIPTION: **Linux Kernel could allow a local authenticated attacker to gain elevated privileges on the system, caused by a race condition in net/can/bcm.c. By sending a specially-crafted request, an authenticated attacker could exploit this vulnerability to gain elevated privileges as root. \nCVSS Base score: 7.8 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/204088](<https://exchange.xforce.ibmcloud.com/vulnerabilities/204088>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) \n \n** CVEID: **[CVE-2021-20305](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20305>) \n** DESCRIPTION: **Nettle could allow a remote attacker to bypass security restrictions, caused by a flaw related to several signature verification functions result in the Elliptic Curve Cryptography point (ECC) multiply function being invoked with out-of-range scalers. An attacker could exploit this vulnerability to force an invalid signature, causing an assertion failure or possible validation. \nCVSS Base score: 8.1 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/199653](<https://exchange.xforce.ibmcloud.com/vulnerabilities/199653>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H) \n \n** CVEID: **[CVE-2021-3517](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3517>) \n** DESCRIPTION: **GNOME libxml2 is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by xmlEncodeEntitiesInternal() in entities.c. By sending a specially crafted file, a remote attacker could trigger an out-of-bounds read and execute arbitrary code on the system or cause a denial of service. \nCVSS Base score: 8.6 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/202526](<https://exchange.xforce.ibmcloud.com/vulnerabilities/202526>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H) \n \n** CVEID: **[CVE-2021-3518](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3518>) \n** DESCRIPTION: **GNOME libxml2 could allow a remote attacker to execute arbitrary code on the system, caused by a use-after-free flaw in the xmlXIncludeDoProcess() function in xinclude.c. By sending a specially-crafted file, an attacker could exploit this vulnerability to execute arbitrary code on the system. \nCVSS Base score: 8.6 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/203144](<https://exchange.xforce.ibmcloud.com/vulnerabilities/203144>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H) \n \n** CVEID: **[CVE-2021-3520](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3520>) \n** DESCRIPTION: **lz4 could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow. By sending a specially crafted file, an attacker could invoke memmove() on a negative size argument leading to memory corruption and trigger an out-of-bounds write or cause the library to crash. \nCVSS Base score: 8.6 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/202592](<https://exchange.xforce.ibmcloud.com/vulnerabilities/202592>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H) \n \n** CVEID: **[CVE-2019-18276](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-18276>) \n** DESCRIPTION: **GNU Bash could allow a remote authenticated attacker to gain elevated privileges on the system, caused by a flaw in the disable_priv_mode in shell.c. By sending a specially-crafted command, an attacker could exploit this vulnerability to escalate privileges. \nCVSS Base score: 8.8 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/172331](<https://exchange.xforce.ibmcloud.com/vulnerabilities/172331>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) \n \n** CVEID: **[CVE-2020-13543](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13543>) \n** DESCRIPTION: **Webkit WebKitGTK could allow a remote attacker to execute arbitrary code on the system, caused by a use-after-free in the WebSocket functionality. By persuading a victim to visit a specially crafted Web site, an attacker could exploit this vulnerability to execute arbitrary code or cause the application to crash. \nCVSS Base score: 8.8 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/192461](<https://exchange.xforce.ibmcloud.com/vulnerabilities/192461>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) \n \n** CVEID: **[CVE-2020-13584](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13584>) \n** DESCRIPTION: **Webkit WebKitGTK could allow a remote attacker to execute arbitrary code on the system, caused by a use-after-free in the ImageDecoderGStreamer functionality. By persuading a victim to visit a specially crafted Web site, an attacker could exploit this vulnerability to execute arbitrary code or cause the application to crash. \nCVSS Base score: 8.8 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/192463](<https://exchange.xforce.ibmcloud.com/vulnerabilities/192463>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) \n \n** CVEID: **[CVE-2020-14360](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14360>) \n** DESCRIPTION: **X.Org xserver could allow a remote authenticated attacker to gain elevated privileges on the system, caused by insufficient checks on the lengths of the XkbSetMap request. By sending a specially-crafted request, an attacker could exploit this vulnerability to gain out-of-bounds memory access in the X server and escalate privileges. \nCVSS Base score: 8.8 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/192532](<https://exchange.xforce.ibmcloud.com/vulnerabilities/192532>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) \n \n** CVEID: **[CVE-2020-9951](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-9951>) \n** DESCRIPTION: **Apple Safari could allow a remote attacker to execute arbitrary code on the system, caused by a use-after-free in the WebKit component. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability to execute arbitrary code on the system. \nCVSS Base score: 8.8 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/188409](<https://exchange.xforce.ibmcloud.com/vulnerabilities/188409>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) \n \n** CVEID: **[CVE-2021-1817](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1817>) \n** DESCRIPTION: **Apple iOS and iPadOS could allow a remote attacker to execute arbitrary code on the system, caused by a memory corruption issue in the WebKit component. By persuading a victim to visit a specially crafted Web site, an attacker could exploit this vulnerability to execute arbitrary code on the system. \nCVSS Base score: 8.8 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/200746](<https://exchange.xforce.ibmcloud.com/vulnerabilities/200746>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) \n \n** CVEID: **[CVE-2021-30661](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30661>) \n** DESCRIPTION: **Apple iOS and iPadOS could allow a remote attacker to execute arbitrary code on the system, caused by a use-after-free in the WebKit component. By persuading a victim to visit a specially crafted Web site, an attacker could exploit this vulnerability to execute arbitrary code on the system. \nCVSS Base score: 8.8 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/200749](<https://exchange.xforce.ibmcloud.com/vulnerabilities/200749>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) \n \n** CVEID: **[CVE-2021-23337](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23337>) \n** DESCRIPTION: **Node.js lodash module could allow a remote authenticated attacker to execute arbitrary commands on the system, caused by a command injection flaw in the template. By sending a specially-crafted request, an attacker could exploit this vulnerability to execute arbitrary commands on the system. \nCVSS Base score: 7.2 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/196797](<https://exchange.xforce.ibmcloud.com/vulnerabilities/196797>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H) \n \n** CVEID: **[CVE-2021-2432](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-2432>) \n** DESCRIPTION: **An unspecified vulnerability in Java SE related to the JNDI component could allow an unauthenticated attacker to cause a denial of service resulting in a low availability impact using unknown attack vectors. \nCVSS Base score: 3.7 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/205856](<https://exchange.xforce.ibmcloud.com/vulnerabilities/205856>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L) \n \n** CVEID: **[CVE-2021-2341](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-2341>) \n** DESCRIPTION: **An unspecified vulnerability in Java SE related to the Networking component could allow an unauthenticated attacker to obtain sensitive information resulting in a low confidentiality impact using unknown attack vectors. \nCVSS Base score: 3.1 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/205768](<https://exchange.xforce.ibmcloud.com/vulnerabilities/205768>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N) \n \n** CVEID: **[CVE-2019-13012](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13012>) \n** DESCRIPTION: **GNOME GLib could allow a local attacker to bypass security restrictions, caused by improper permission control in the keyfile settings backend. An attacker could exploit this vulnerability to bypass access restrictions. \nCVSS Base score: 3.3 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/166666](<https://exchange.xforce.ibmcloud.com/vulnerabilities/166666>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N) \n \n** CVEID: **[CVE-2019-2708](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-2708>) \n** DESCRIPTION: **An unspecified vulnerability in Oracle Berkeley DB related to the Data Store component could allow an authenticated attacker to cause a denial of service resulting in a low availability impact using unknown attack vectors. \nCVSS Base score: 3.3 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/159800](<https://exchange.xforce.ibmcloud.com/vulnerabilities/159800>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L) \n \n** CVEID: **[CVE-2020-14363](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14363>) \n** DESCRIPTION: **X.Org libX11 is vulnerable to a denial of service, caused by a double free in the way LibX11 handles locales. By persuading a victim to open a specially crafted file, a remote attacker could exploit this vulnerability to cause the application to crash. \nCVSS Base score: 3.3 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/187359](<https://exchange.xforce.ibmcloud.com/vulnerabilities/187359>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L) \n \n** CVEID: **[CVE-2020-1971](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1971>) \n** DESCRIPTION: **OpenSSL is vulnerable to a denial of service, caused by a NULL pointer dereference. If the GENERAL_NAME_cmp function contain an EDIPARTYNAME, an attacker could exploit this vulnerability to cause the application to crash. \nCVSS Base score: 7.5 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/192748](<https://exchange.xforce.ibmcloud.com/vulnerabilities/192748>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) \n \n** CVEID: **[CVE-2020-12049](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12049>) \n** DESCRIPTION: **D-Bus is vulnerable to a denial of service, caused by an error in _dbus_read_socket_with_unix_fds. By sending specially crafted messages, a local attacker could exploit this vulnerability to cause the system dbus-daemon (dbus-daemon --system) to leak file descriptors. \nCVSS Base score: 4 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/182955](<https://exchange.xforce.ibmcloud.com/vulnerabilities/182955>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L) \n \n** CVEID: **[CVE-2020-10029](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-10029>) \n** DESCRIPTION: **GNU C Library (aka glibc or libc6) is vulnerable to a denial of service, caused by a stack-based overflow during range reduction. A local attacker could exploit this vulnerability to cause a stack corruption, leading to a denial of service condition. \nCVSS Base score: 4 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/177225](<https://exchange.xforce.ibmcloud.com/vulnerabilities/177225>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L) \n \n** CVEID: **[CVE-2020-29573](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-29573>) \n** DESCRIPTION: **GNU C Library is vulnerable to a stack-based buffer overflow, caused by not handling non-normal x86 long double numbers gracefully for printf family functions. By sending a specially crafted value to the functions, a local attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash. \nCVSS Base score: 5.9 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/192722](<https://exchange.xforce.ibmcloud.com/vulnerabilities/192722>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L) \n \n** CVEID: **[CVE-2020-8624](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8624>) \n** DESCRIPTION: **ISC BIND could allow a remote authenticated attacker to bypass security restrictions, caused by the failure to properly enforce the update-policy rules of type \"subdomain\". By sending a specially-crafted request, an attacker could exploit this vulnerability to update other contents of the zone. \nCVSS Base score: 4.3 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/187062](<https://exchange.xforce.ibmcloud.com/vulnerabilities/187062>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N) \n \n** CVEID: **[CVE-2020-8617](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8617>) \n** DESCRIPTION: **ISC BIND is vulnerable to a denial of service, caused by a logic error in code which checks TSIG validity. A remote attacker could exploit this vulnerability to trigger an assertion failure in tsig.c. \nCVSS Base score: 7.5 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/182127](<https://exchange.xforce.ibmcloud.com/vulnerabilities/182127>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) \n \n** CVEID: **[CVE-2020-8622](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8622>) \n** DESCRIPTION: **ISC BIND is vulnerable to a denial of service, caused by an assertion failure when attempting to verify a truncated response to a TSIG-signed request. By sending a specially-crafted request, a remote authenticated attacker could exploit this vulnerability to cause the server to exit. \nCVSS Base score: 6.5 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/187060](<https://exchange.xforce.ibmcloud.com/vulnerabilities/187060>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H) \n \n** CVEID: **[CVE-2020-8177](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8177>) \n** DESCRIPTION: **cURL could allow a remote attacker to overwrite arbitrary files on the system, caused by the improper handling of certain parameters when using -J (--remote-header-name) and -I (--include) in the same command line. An attacker could exploit this vulnerability to overwrite a local file. \nCVSS Base score: 5.3 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/183931](<https://exchange.xforce.ibmcloud.com/vulnerabilities/183931>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N) \n \n** CVEID: **[CVE-2021-20578](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20578>) \n** DESCRIPTION: **IBM Cloud Pak for Security (CP4S) could allow an attacker to perform unauthorized actions due to improper or missing authentication controls. \nCVSS Base score: 5.4 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/199282](<https://exchange.xforce.ibmcloud.com/vulnerabilities/199282>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N) \n \n** CVEID: **[CVE-2021-23364](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23364>) \n** DESCRIPTION: **Browserslist is vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) during parsing of queries. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause a denial of service. \nCVSS Base score: 5.3 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/200951](<https://exchange.xforce.ibmcloud.com/vulnerabilities/200951>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L) \n \n** CVEID: **[CVE-2020-28469](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-28469>) \n** DESCRIPTION: **Node.js glob-parent module is vulnerable to a denial of service. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause a regular expression denial of service. \nCVSS Base score: 5.3 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/196451](<https://exchange.xforce.ibmcloud.com/vulnerabilities/196451>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L) \n \n** CVEID: **[CVE-2021-2369](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-2369>) \n** DESCRIPTION: **An unspecified vulnerability in Java SE related to the Library component could allow an unauthenticated attacker to cause no confidentiality impact, low integrity impact, and no availability impact. \nCVSS Base score: 4.3 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/205796](<https://exchange.xforce.ibmcloud.com/vulnerabilities/205796>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N) \n \n** CVEID: **[CVE-2021-3177](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3177>) \n** DESCRIPTION: **Python is vulnerable to a buffer overflow, caused by improper bounds checking by the PyCArg_repr function in _ctypes/callproc.c. By sending specially-crafted arguments to c_double.from_param, a remote attacker could overflow a buffer and execute arbitrary code on the system. \nCVSS Base score: 9.8 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/195244](<https://exchange.xforce.ibmcloud.com/vulnerabilities/195244>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) \n \n** CVEID: **[CVE-2020-36329](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-36329>) \n** DESCRIPTION: **Libwebp could allow a remote attacker to execute arbitrary code on the system, caused by a use-after-free in EmitFancyRGB() in dec/io_dec.c. A remote attacker could exploit this vulnerability to execute arbitrary code on the system, obtain sensitive information or cause a denial of service. \nCVSS Base score: 9.8 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/202253](<https://exchange.xforce.ibmcloud.com/vulnerabilities/202253>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) \n \n** CVEID: **[CVE-2018-25011](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-25011>) \n** DESCRIPTION: **Libwebp is vulnerable to a heap-based buffer overflow, caused by improper bounds checking in function PutLE16(). By sending an overly long argument, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash. \nCVSS Base score: 9.8 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/202259](<https://exchange.xforce.ibmcloud.com/vulnerabilities/202259>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) \n \n** CVEID: **[CVE-2020-36328](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-36328>) \n** DESCRIPTION: **Libwebp is vulnerable to a heap-based buffer overflow, caused by improper bounds checking in function WebPDecodeRGBInto. By sending an overly long argument, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash. \nCVSS Base score: 9.8 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/202254](<https://exchange.xforce.ibmcloud.com/vulnerabilities/202254>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) \n \n** CVEID: **[CVE-2020-25712](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25712>) \n** DESCRIPTION: **X.Org xserver is vulnerable to a heap-based buffer overflow, caused by insufficient checks on input of the XkbSetDeviceInfo request. By sending a specially-crafted request, a remote attacker could overflow a buffer and execute arbitrary code on the system. \nCVSS Base score: 9.8 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/192533](<https://exchange.xforce.ibmcloud.com/vulnerabilities/192533>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) \n \n** CVEID: **[CVE-2020-10878](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-10878>) \n** DESCRIPTION: **Perl could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow related to the mishandling of a PL_regkind[OP(n)] == NOTHING situation. By using a specially-crafted regular expression, an attacker could exploit this vulnerability to execute arbitrary code on the system. \nCVSS Base score: 9.8 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/183204](<https://exchange.xforce.ibmcloud.com/vulnerabilities/183204>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) \n \n** CVEID: **[CVE-2020-10543](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-10543>) \n** DESCRIPTION: **Perl is vulnerable to a heap-based buffer overflow, caused by an integer overflow in the nested regular expression quantifiers. By sending a specially-crafted request, a remote attacker could overflow a buffer and execute arbitrary code on the system. \nCVSS Base score: 9.8 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/183203](<https://exchange.xforce.ibmcloud.com/vulnerabilities/183203>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) \n \n** CVEID: **[CVE-2021-29894](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29894>) \n** DESCRIPTION: **IBM Cloud Pak for Security (CP4S) uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. \nCVSS Base score: 5.9 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/207320](<https://exchange.xforce.ibmcloud.com/vulnerabilities/207320>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N) \n \n** CVEID: **[CVE-2019-3842](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3842>) \n** DESCRIPTION: **systemd could allow a local authenticated attacker to gain elevated privileges on the system, caused by the failure to properly sanitize the environment before using the XDG_SEAT variable by pam_systemd. By spoofing an active session to PolicyKit, an authenticated attacker could exploit this vulnerability to gain additional PolicyKit privileges. \nCVSS Base score: 4.5 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/159257](<https://exchange.xforce.ibmcloud.com/vulnerabilities/159257>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L) \n \n** CVEID: **[CVE-2016-10228](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10228>) \n** DESCRIPTION: **GNU C Library (glibc) is vulnerable to a denial of service, caused by an error in the iconv program. By processing invalid multi-byte input sequences, a remote attacker could exploit this vulnerability to cause the application to enter into an infinite loop. \nCVSS Base score: 5.3 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/124078](<https://exchange.xforce.ibmcloud.com/vulnerabilities/124078>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L) \n \n** CVEID: **[CVE-2020-27619](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27619>) \n** DESCRIPTION: **An unspecified error with CJK codec tests call eval() on content retrieved throug HTTP in multibytecodec_support.py in Python has an unknown impact and attack vector. \nCVSS Base score: 5.3 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/190408](<https://exchange.xforce.ibmcloud.com/vulnerabilities/190408>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N) \n \n** CVEID: **[CVE-2020-8231](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8231>) \n** DESCRIPTION: **cURL libcurl could allow a remote attacker to obtain sensitive information, caused by the improper handling of the CURLOPT_CONNECT_ONLY option. The raw data is sent over that connection to the wrong destination. An attacker could exploit this vulnerability to obtain sensitive information. \nCVSS Base score: 5.3 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/186954](<https://exchange.xforce.ibmcloud.com/vulnerabilities/186954>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N) \n \n** CVEID: **[CVE-2020-8927](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8927>) \n** DESCRIPTION: **Brotli is vulnerable to buffer overflow. By controlling the input length of a \"one-shot\" decompression request to a script, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash. \nCVSS Base score: 5.3 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/188304](<https://exchange.xforce.ibmcloud.com/vulnerabilities/188304>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N) \n \n** CVEID: **[CVE-2021-2163](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-2163>) \n** DESCRIPTION: **An unspecified vulnerability in Java SE related to the Libraries component could allow an unauthenticated attacker to cause no confidentiality impact, high integrity impact, and no availability impact. \nCVSS Base score: 5.3 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/200292](<https://exchange.xforce.ibmcloud.com/vulnerabilities/200292>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N) \n \n** CVEID: **[CVE-2020-14347](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14347>) \n** DESCRIPTION: **X.Org Xserver could allow a local authenticated attacker to obtain sensitive information, caused by the failure to initialize the memory in xserverr pixmap data by the allocation for pixmap data in AllocatePixmap() function. By sending a specially-crafted request, an attacker could exploit this vulnerability to obtain sensitive information from heap memory, and use this information to launch further attacks against the affected system. \nCVSS Base score: 5.5 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/186165](<https://exchange.xforce.ibmcloud.com/vulnerabilities/186165>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N) \n \n** CVEID: **[CVE-2020-15358](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15358>) \n** DESCRIPTION: **SQLite is vulnerable to a denial of service, caused by a heap-based buffer overflow in the mishandling of query-flattener optimization in select.c. By sending a specially-crafted query, a local authenticated attacker could overflow a buffer and cause the application to crash. \nCVSS Base score: 5.5 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/184103](<https://exchange.xforce.ibmcloud.com/vulnerabilities/184103>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H) \n \n** CVEID: **[CVE-2020-27618](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27618>) \n** DESCRIPTION: **GNU C Library (aka glibc or libc6) is vulnerable to a denial of service, caused by an error when processing some invalid inputs from several IBM character sets in the iconv function. By sending invalid multi-byte input sequences in IBM1364, IBM1371, IBM1388, IBM1390, IBM1399 encodings, a local authenticated attacker could exploit this vulnerability to cause the application to enter into an infinite loop. \nCVSS Base score: 5.5 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/196446](<https://exchange.xforce.ibmcloud.com/vulnerabilities/196446>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H) \n \n** CVEID: **[CVE-2021-23336](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23336>) \n** DESCRIPTION: **Python CPython could allow a remote attacker to bypass security restrictions, caused by a web cache poisoning flaw via urllib.parse.parse_qsl and urllib.parse.parse_qs. By sending a specially-crafted request parameter cloaking, an attacker could exploit this vulnerability to cause a difference in the interpretation of the request between the proxy and the server. \nCVSS Base score: 5.9 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/196808](<https://exchange.xforce.ibmcloud.com/vulnerabilities/196808>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:H) \n \n** CVEID: **[CVE-2020-26137](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26137>) \n** DESCRIPTION: **urllib3 is vulnerable to CRLF injection. By inserting CR and LF control characters in the first argument of putrequest(), a remote attacker could exploit this vulnerability to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking. \nCVSS Base score: 6.1 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/189426](<https://exchange.xforce.ibmcloud.com/vulnerabilities/189426>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N) \n \n** CVEID: **[CVE-2020-27783](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27783>) \n** DESCRIPTION: **Python LXML is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by the clean module. A remote attacker could exploit this vulnerability using a specially-crafted URL to execute script in a victim's Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials. \nCVSS Base score: 6.1 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/192644](<https://exchange.xforce.ibmcloud.com/vulnerabilities/192644>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N) \n \n** CVEID: **[CVE-2021-1826](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1826>) \n** DESCRIPTION: **Apple iOS and iPadOS are vulnerable to universal cross-site scripting, caused by a logic issue in the WebIt component. A remote attacker could exploit this vulnerability using a specially-crafted URL to execute script in a victim's Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials. \nCVSS Base score: 6.1 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/200747](<https://exchange.xforce.ibmcloud.com/vulnerabilities/200747>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N) \n \n** CVEID: **[CVE-2021-3421](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3421>) \n** DESCRIPTION: **RPM Project RPM could allow a remote attacker to bypass security restrictions, caused by a flaw in the read function. By persuading a victim to install a seemingly verifiable package or compromise an RPM repository, an attacker could exploit this vulnerability to cause a corruption to the RPM database. \nCVSS Base score: 6.1 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/203124](<https://exchange.xforce.ibmcloud.com/vulnerabilities/203124>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L) \n \n** CVEID: **[CVE-2021-27218](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27218>) \n** DESCRIPTION: **GNOME GLib is vulnerable to a denial of service, caused by an error when invoking g_byte_array_new_take() with a buffer of 4GB or more on a 64-bit platform. An attacker could exploit this vulnerability to cause unintended length truncation. \nCVSS Base score: 6.2 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/196784](<https://exchange.xforce.ibmcloud.com/vulnerabilities/196784>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) \n \n** CVEID: **[CVE-2021-33910](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33910>) \n** DESCRIPTION: **Systemd is vulnerable to a denial of service, caused by a memory allocation with an excessive size value in basic/unit-name.c. By sending a specially-crafted request, a local attacker could exploit this vulnerability to cause the system to crash. \nCVSS Base score: 6.2 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/205907](<https://exchange.xforce.ibmcloud.com/vulnerabilities/205907>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) \n \n** CVEID: **[CVE-2020-9948](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-9948>) \n** DESCRIPTION: **Apple Safari could allow a remote attacker to execute arbitrary code on the system, caused by a type confusion in the WebKit component. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability to execute arbitrary code on the system. \nCVSS Base score: 6.3 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/188410](<https://exchange.xforce.ibmcloud.com/vulnerabilities/188410>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L) \n \n** CVEID: **[CVE-2020-9983](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-9983>) \n** DESCRIPTION: **Apple Safari could allow a remote attacker to execute arbitrary code on the system, caused by an out-of-bounds write in the WebKit component. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability to execute arbitrary code on the system. \nCVSS Base score: 6.3 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/188412](<https://exchange.xforce.ibmcloud.com/vulnerabilities/188412>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L) \n \n** CVEID: **[CVE-2020-26116](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26116>) \n** DESCRIPTION: **Python is vulnerable to CRLF injection, caused by improper validation of user-supplied input in http.client. By inserting CR and LF control characters in the first argument of HTTPConnection.request, a remote attacker could exploit this vulnerability to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking. \nCVSS Base score: 6.5 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/189404](<https://exchange.xforce.ibmcloud.com/vulnerabilities/189404>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N) \n \n** CVEID: **[CVE-2020-8284](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8284>) \n** DESCRIPTION: **cURL libcurl could allow a remote attacker to obtain sensitive information, caused by improper validation of FTP PASV responses. By persuading a victim to connect a specially-crafted server, an attacker could exploit this vulnerability to obtain sensitive information about services, and use this information to launch further attacks against the affected system. \nCVSS Base score: 6.5 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/192854](<https://exchange.xforce.ibmcloud.com/vulnerabilities/192854>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N) \n \n** CVEID: **[CVE-2021-1820](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1820>) \n** DESCRIPTION: **Apple iOS and iPadOS could allow a remote attacker to obtain sensitive information, caused by a memory initialization issue in the WebKit component. By persuading a victim to visit a specially crafted Web site, an attacker could exploit this vulnerability to disclose process memory. \nCVSS Base score: 6.5 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/200748](<https://exchange.xforce.ibmcloud.com/vulnerabilities/200748>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N) \n \n** CVEID: **[CVE-2021-1825](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1825>) \n** DESCRIPTION: **Apple iOS and iPadOS are vulnerable to cross-site scripting, caused by improper validation of user-supplied input by the WebKit component. A remote attacker could exploit this vulnerability using a specially-crafted URL to execute script in a victim's Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials. \nCVSS Base score: 6.1 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/200745](<https://exchange.xforce.ibmcloud.com/vulnerabilities/200745>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N) \n \n** CVEID: **[CVE-2021-22918](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22918>) \n** DESCRIPTION: **Node.js is vulnerable to a denial of service, caused by an out-of-bounds read in the libuv's uv__idna_toascii() function. By invoking the function using dns module's lookup() function, a remote attacker could exploit this vulnerability to obtain sensitive information or cause a denial of service. \nCVSS Base score: 6.5 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/204784](<https://exchange.xforce.ibmcloud.com/vulnerabilities/204784>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L) \n \n** CVEID: **[CVE-2021-25214](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25214>) \n** DESCRIPTION: **ISC BIND is vulnerable to a denial of service, caused by a broken inbound incremental zone update (IXFR). By sending a specially crafted IXFR, an attacker could exploit this vulnerability to trigger a failed assertion check and terminate the named process. \nCVSS Base score: 6.5 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/200961](<https://exchange.xforce.ibmcloud.com/vulnerabilities/200961>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H) \n \n** CVEID: **[CVE-2021-3541](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3541>) \n** DESCRIPTION: **GNOME libxml2 is vulnerable to a denial of service, caused by an exponential entity expansion attack which bypasses all existing protection mechanisms. A remote authenticated attacker could exploit this vulnerability to consume all available resources. \nCVSS Base score: 6.5 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/204818](<https://exchange.xforce.ibmcloud.com/vulnerabilities/204818>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H) \n \n** CVEID: **[CVE-2020-13776](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13776>) \n** DESCRIPTION: **systemd could allow a local authenticated attacker to gain elevated privileges on the system, caused by the mishandling of numerical usernames. By sending a specially-crafted request, an attacker could exploit this vulnerability to gain elevated privileges as root. \nCVSS Base score: 6.7 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/184600](<https://exchange.xforce.ibmcloud.com/vulnerabilities/184600>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H) \n \n** CVEID: **[CVE-2020-14344](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14344>) \n** DESCRIPTION: **X.Org libX11 could allow a local attacker to execute arbitrary code on the system, caused by an integer overflow and signed/unsigned comparison flaws in the X Input Method (XIM) client implementation. By sending specially-crafted messages, a local attacker could exploit this vulnerability to cause a heap corruption and execute arbitrary code on the system. \nCVSS Base score: 6.7 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/186164](<https://exchange.xforce.ibmcloud.com/vulnerabilities/186164>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H) \n \n** CVEID: **[CVE-2020-14345](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14345>) \n** DESCRIPTION: **X.Org server could allow a local authenticated attacker to gain elevated privileges on the system, caused by an out-of-bounds access flaw in XkbSetNames. By sending a specially-crafted request, an authenticated attacker could exploit this vulnerability to gain elevated privileges. \nCVSS Base score: 6.7 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/187208](<https://exchange.xforce.ibmcloud.com/vulnerabilities/187208>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H) \n \n** CVEID: **[CVE-2020-14346](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14346>) \n** DESCRIPTION: **X.Org server could allow a local authenticated attacker to gain elevated privileges on the system, caused by an integer underflow in XIChangeHierarchy. By sending a specially-crafted request, an authenticated attacker could exploit this vulnerability to gain elevated privileges. \nCVSS Base score: 6.7 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/187209](<https://exchange.xforce.ibmcloud.com/vulnerabilities/187209>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H) \n \n** CVEID: **[CVE-2020-14361](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14361>) \n** DESCRIPTION: **X.Org server could allow a local authenticated attacker to gain elevated privileges on the system, caused by an integer underflow in XkbSelectEvents. By sending a specially-crafted request, an authenticated attacker could exploit this vulnerability to gain elevated privileges. \nCVSS Base score: 6.7 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/187210](<https://exchange.xforce.ibmcloud.com/vulnerabilities/187210>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H) \n \n** CVEID: **[CVE-2020-14362](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14362>) \n** DESCRIPTION: **X.Org server could allow a local authenticated attacker to gain elevated privileges on the system, caused by an integer underflow in XRecordRegisterClients. By sending a specially-crafted request, an authenticated attacker could exploit this vulnerability to gain elevated privileges. \nCVSS Base score: 6.7 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/187211](<https://exchange.xforce.ibmcloud.com/vulnerabilities/187211>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H) \n \n** CVEID: **[CVE-2021-20271](<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20271>) \n** DESCRIPTION: **RPM could allow a remote attacker to execute arbitrary code on the system, caused by a flaw in the signature check function. By persuading a victim to open a specially-crafted package file, an attacker could exploit this vulnerability to cause RPM database corruption and execute arbitrary code on the system. \nCVSS Base score: 6.7 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/198961](<https://exchange.xforce.ibmcloud.com/vulnerabilities/198961>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H)\n\n## Affected Products and Versions\n\nAffected Product(s)| Version(s) \n---|--- \nCloud Pak for Security (CP4S)| 1.7.2.0 \nCloud Pak for Security (CP4S)| 1.7.1.0 \nCloud Pak for Security (CP4S)| 1.7.0.0 \n \n \n\n\n## Remediation/Fixes\n\nPlease upgrade to CP4S 1.8.0.0 following instructions at <https://www.ibm.com/docs/en/SSTDPP_1.8/docs/security-pak/upgrading.html>\n\n## Workarounds and Mitigations\n\nNone\n\n## Get Notified about Future Security Bulletins\n\nSubscribe to [My Notifications](< http://www-01.ibm.com/software/support/einfo.html>) to be notified of important product support alerts like this.\n\n### References \n\n[Complete CVSS v3 Guide](<http://www.first.org/cvss/user-guide> \"Link resides outside of ibm.com\" ) \n[On-line Calculator v3](<http://www.first.org/cvss/calculator/3.0> \"Link resides outside of ibm.com\" )\n\nOff \n\n## Related Information\n\n[IBM Secure Engineering Web Portal](<http://www.ibm.com/security/secure-engineering/bulletins.html>) \n[IBM Product Security Incident Response Blog](<http://www.ibm.com/blogs/psirt>)\n\n## Acknowledgement\n\nJohn Zuccato, Rodney Ryan, Chris Shepherd, Vince Dragnea, Troy Fisher, Nathan Roane, Elaheh Samani and Gabor Minyo from IBM X-Force Ethical Hacking Team\n\n## Change History\n\n08 Sep 2021: Initial Publication\n\n*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.\n\n## Disclaimer\n\nReview the [IBM security bulletin disclaimer and definitions](<https://www.ibm.com/support/pages/node/6610583#disclaimer>) regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.\n\n## Document Location\n\nWorldwide\n\n[{\"Business Unit\":{\"code\":\"BU059\",\"label\":\"IBM Software w\\/o TPS\"},\"Product\":{\"code\":\"SSTDPP\",\"label\":\"IBM Cloud Pak for Security\"},\"Component\":\"\",\"Platform\":[{\"code\":\"PF040\",\"label\":\"RedHat OpenShift\"}],\"Version\":\"1.7.0.0, 1.7.1.0, 1.7.2.0, 1.8.0.0 \",\"Edition\":\"\",\"Line of Business\":{\"code\":\"LOB24\",\"label\":\"Security Software\"}}]", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-10-19T15:38:04", "type": "ibm", "title": "Security Bulletin: Cloud Pak for Security uses packages that are vulnerable to several CVEs", "bulletinFamily": "software", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-10228", "CVE-2017-14502", "CVE-2018-25011", "CVE-2019-13012", "CVE-2019-18276", "CVE-2019-25013", "CVE-2019-2708", "CVE-2019-3842", "CVE-2019-9169", "CVE-2020-10029", "CVE-2020-10543", "CVE-2020-10878", "CVE-2020-12049", "CVE-2020-13434", "CVE-2020-13543", "CVE-2020-13584", "CVE-2020-13776", "CVE-2020-14344", "CVE-2020-14345", "CVE-2020-14346", "CVE-2020-14347", "CVE-2020-14360", "CVE-2020-14361", "CVE-2020-14362", "CVE-2020-14363", "CVE-2020-15358", "CVE-2020-1971", "CVE-2020-24330", "CVE-2020-24331", "CVE-2020-24332", "CVE-2020-24977", "CVE-2020-25648", "CVE-2020-25692", "CVE-2020-25712", "CVE-2020-26116", "CVE-2020-26137", "CVE-2020-27618", "CVE-2020-27619", "CVE-2020-27783", "CVE-2020-28196", "CVE-2020-28469", "CVE-2020-29361", "CVE-2020-29362", "CVE-2020-29363", "CVE-2020-29573", "CVE-2020-36328", "CVE-2020-36329", "CVE-2020-8177", "CVE-2020-8231", "CVE-2020-8284", "CVE-2020-8285", "CVE-2020-8286", "CVE-2020-8617", "CVE-2020-8622", "CVE-2020-8624", "CVE-2020-8625", "CVE-2020-8927", "CVE-2020-9948", "CVE-2020-9951", "CVE-2020-9983", "CVE-2021-1817", "CVE-2021-1820", "CVE-2021-1825", "CVE-2021-1826", "CVE-2021-20271", "CVE-2021-20305", "CVE-2021-20578", "CVE-2021-2163", "CVE-2021-22543", "CVE-2021-22555", "CVE-2021-22918", "CVE-2021-23336", "CVE-2021-23337", "CVE-2021-23362", "CVE-2021-23364", "CVE-2021-2341", "CVE-2021-2369", "CVE-2021-2388", "CVE-2021-2432", "CVE-2021-25214", "CVE-2021-25215", "CVE-2021-27218", "CVE-2021-27219", "CVE-2021-27290", "CVE-2021-29894", "CVE-2021-30661", "CVE-2021-3177", "CVE-2021-3326", "CVE-2021-33910", "CVE-2021-3421", "CVE-2021-3449", "CVE-2021-3450", "CVE-2021-3516", "CVE-2021-3517", "CVE-2021-3518", "CVE-2021-3520", "CVE-2021-3537", "CVE-2021-3541", "CVE-2021-3609"], "modified": "2021-10-19T15:38:04", "id": "6549F7FB91216E6B5325DB660AF73FDF2D181F5FC1D3D96D412B600D6C349A96", "href": "https://www.ibm.com/support/pages/node/6493729", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "photon": [{"lastseen": "2021-11-26T20:50:58", "description": "An update of {'systemd'} packages of Photon OS has been released.\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "baseScore": 5.5, "privilegesRequired": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 3.6}, "published": "2021-07-22T00:00:00", "type": "photon", "title": "Home\nDownload Photon OS\nUser Documentation\nFAQ\nSecurity Advisories\nRelated Information\n\nLightwave - PHSA-2021-1.0-0415", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33910"], "modified": "2021-07-22T00:00:00", "id": "PHSA-2021-1.0-0415", "href": "https://github.com/vmware/photon/wiki/Security-Updates-1.0-415", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2022-05-12T18:55:51", "description": "Updates of ['systemd', 'linux-aws', 'linux-secure', 'linux-rt', 'linux', 'linux-esx'] packages of Photon OS have been released.\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-07-21T00:00:00", "type": "photon", "title": "Important Photon OS Security Update - PHSA-2021-0065", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.2, "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33909", "CVE-2021-33910"], "modified": "2021-07-21T00:00:00", "id": "PHSA-2021-0065", "href": "https://github.com/vmware/photon/wiki/Security-Update-4.0-65", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2021-11-27T11:51:11", "description": "An update of {'linux-esx', 'linux', 'linux-aws', 'linux-secure', 'systemd', 'linux-rt'} packages of Photon OS has been released.\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 7.8, "privilegesRequired": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.9}, "published": "2021-07-20T00:00:00", "type": "photon", "title": "Home\nDownload Photon OS\nUser Documentation\nFAQ\nSecurity Advisories\nRelated Information\n\nLightwave - PHSA-2021-3.0-0270", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.2, "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33909", "CVE-2021-33910"], "modified": "2021-07-20T00:00:00", "id": "PHSA-2021-3.0-0270", "href": "https://github.com/vmware/photon/wiki/Security-Updates-3.0-270", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2021-12-15T08:56:29", "description": "An update of {'systemd', 'linux-rt', 'linux-aws', 'linux', 'linux-esx', 'linux-secure'} packages of Photon OS has been released.\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 7.8, "privilegesRequired": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.9}, "published": "2021-07-21T00:00:00", "type": "photon", "title": "Home\nDownload Photon OS\nUser Documentation\nFAQ\nSecurity Advisories\nRelated Information\n\nLightwave - PHSA-2021-4.0-0065", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.2, "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33909", "CVE-2021-33910"], "modified": "2021-07-21T00:00:00", "id": "PHSA-2021-4.0-0065", "href": "https://github.com/vmware/photon/wiki/Security-Updates-4.0-65", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2021-11-26T23:51:14", "description": "An update of {'linux-secure', 'systemd', 'linux-esx', 'linux', 'linux-aws'} packages of Photon OS has been released.\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 7.8, "privilegesRequired": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.9}, "published": "2021-07-22T00:00:00", "type": "photon", "title": "Home\nDownload Photon OS\nUser Documentation\nFAQ\nSecurity Advisories\nRelated Information\n\nLightwave - PHSA-2021-2.0-0370", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.2, "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33909", "CVE-2021-33910"], "modified": "2021-07-22T00:00:00", "id": "PHSA-2021-2.0-0370", "href": "https://github.com/vmware/photon/wiki/Security-Updates-2-370", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2022-05-12T18:44:49", "description": "Updates of ['linux-rt', 'linux-esx', 'systemd', 'linux', 'linux-secure', 'linux-aws'] packages of Photon OS have been released.\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-07-20T00:00:00", "type": "photon", "title": "Important Photon OS Security Update - PHSA-2021-0270", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.2, "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33909", "CVE-2021-33910"], "modified": "2021-07-20T00:00:00", "id": "PHSA-2021-0270", "href": "https://github.com/vmware/photon/wiki/Security-Update-3.0-270", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-01-27T05:29:58", "description": "Updates of ['linux-aws', 'linux-secure', 'linux-esx', 'linux', 'systemd'] packages of Photon OS have been released.\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-07-22T00:00:00", "type": "photon", "title": "Important Photon OS Security Update - PHSA-2021-0370", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.2, "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33909", "CVE-2021-33910"], "modified": "2021-07-22T00:00:00", "id": "PHSA-2021-0370", "href": "https://github.com/vmware/photon/wiki/Security-Update-2.0-370", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}], "debiancve": [{"lastseen": "2023-01-25T18:07:21", "description": "basic/unit-name.c in systemd prior to 246.15, 247.8, 248.5, and 249.1 has a Memory Allocation with an Excessive Size Value (involving strdupa and alloca for a pathname controlled by a local attacker) that results in an operating system crash.", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 5.5, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-07-20T19:15:00", "type": "debiancve", "title": "CVE-2021-33910", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33910"], "modified": "2021-07-20T19:15:00", "id": "DEBIANCVE:CVE-2021-33910", "href": "https://security-tracker.debian.org/tracker/CVE-2021-33910", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}], "redhatcve": [{"lastseen": "2022-07-07T17:29:46", "description": "A flaw was found in systemd. The use of alloca function with an uncontrolled size in function unit_name_path_escape allows a local attacker, able to mount a filesystem on a very long path, to crash systemd and the whole system by allocating a very large space in the stack. The highest threat from this vulnerability is to the system availability.\n#### Mitigation\n\nRed Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible. \n\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 5.5, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-07-20T12:55:28", "type": "redhatcve", "title": "CVE-2021-33910", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33910"], "modified": "2022-07-07T15:30:34", "id": "RH:CVE-2021-33910", "href": "https://access.redhat.com/security/cve/cve-2021-33910", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2023-01-21T08:11:19", "description": "An out-of-bounds write flaw was found in the Linux kernel's seq_file in the Filesystem layer. This flaw allows a local attacker with a user privilege to gain access to out-of-bound memory, leading to a system crash, leak of internal kernel information and can escalate privileges. The issue results from not validating the size_t-to-int conversion prior to performing operations. The highest threat from this vulnerability is to data integrity, confidentiality and system availability.\n#### Mitigation\n\nRed Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible. \n\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-07-20T12:55:12", "type": "redhatcve", "title": "CVE-2021-33909", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.2, "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33909", "CVE-2021-33910"], "modified": "2023-01-21T06:54:45", "id": "RH:CVE-2021-33909", "href": "https://access.redhat.com/security/cve/cve-2021-33909", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}], "cloudfoundry": [{"lastseen": "2021-11-26T21:44:42", "description": "## Severity\n\nHigh\n\n## Vendor\n\nCanonical Ubuntu\n\n## Versions Affected\n\n * Canonical Ubuntu 18.04\n\n## Description\n\nIt was discovered that systemd incorrectly handled certain mount paths. A local attacker could possibly use this issue to cause systemd to crash, resulting in a denial of service. (CVE-2021-33910)\n\nMitchell Frank discovered that systemd incorrectly handled DHCP FORCERENEW packets. A remote attacker could possibly use this issue to reconfigure servers. (CVE-2020-13529)\n\nCVEs contained in this USN include: CVE-2020-13529, CVE-2021-33910.\n\n## Affected Cloud Foundry Products and Versions\n\n_Severity is high unless otherwise noted._\n\n * Bionic Stemcells \n * 1.x versions prior to 1.20\n * All other stemcells not listed.\n * cflinuxfs3 \n * All versions prior to 0.250.0\n * CF Deployment \n * All versions prior to 16.22.0\n\n## Mitigation\n\nUsers of affected products are strongly encouraged to follow the mitigations below. The Cloud Foundry project recommends upgrading the following releases:\n\n * Bionic Stemcells \n * Upgrade 1.x versions to 1.20 or greater\n * All other stemcells should be upgraded to the latest version available on [bosh.io](<https://bosh.io/stemcells>).\n * cflinuxfs3 \n * Upgrade all versions to 0.250.0 or greater\n * CF Deployment \n * Upgrade all versions to 16.22.0 or greater\n\n## References\n\n * [USN Notice](<https://usn.ubuntu.com/5013-1/>)\n * [CVE-2020-13529](<https://people.canonical.com/~ubuntu-security/cve/CVE-2020-13529>)\n * [CVE-2021-33910](<https://people.canonical.com/~ubuntu-security/cve/CVE-2021-33910>)\n\n## History\n\n2021-09-03: Initial vulnerability report published.\n", "cvss3": {"exploitabilityScore": 1.6, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "HIGH", "scope": "CHANGED", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "baseScore": 6.1, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 4.0}, "published": "2021-09-07T00:00:00", "type": "cloudfoundry", "title": "USN-5013-1: systemd vulnerabilities | Cloud Foundry", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-13529", "CVE-2021-33910"], "modified": "2021-09-07T00:00:00", "id": "CFOUNDRY:EA2FC96380AC5696218F1535F35D2590", "href": "https://www.cloudfoundry.org/blog/usn-5013-1-systemd-vulnerabilities/", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}], "gentoo": [{"lastseen": "2022-01-17T18:57:57", "description": "### Background\n\nA system and service manager.\n\n### Description\n\nMultiple vulnerabilities have been discovered in systemd. Please review the CVE identifiers referenced below for details. \n\n### Impact\n\nPlease review the referenced CVE identifiers for details.\n\n### Workaround\n\nThere is no known workaround at this time.\n\n### Resolution\n\nAll systemd users should upgrade to the latest version:\n \n \n # emerge --sync\n # emerge --ask --oneshot --verbose \">=sys-apps/systemd-248.5\"", "cvss3": {"exploitabilityScore": 1.6, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "HIGH", "scope": "CHANGED", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "baseScore": 6.1, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 4.0}, "published": "2021-07-20T00:00:00", "type": "gentoo", "title": "systemd: Multiple vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-13529", "CVE-2021-33910"], "modified": "2021-07-20T00:00:00", "id": "GLSA-202107-48", "href": "https://security.gentoo.org/glsa/202107-48", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}], "qualysblog": [{"lastseen": "2021-07-30T08:33:40", "description": "The Qualys Research Team has discovered a stack exhaustion denial-of-service vulnerability in systemd, a near-ubiquitous utility available on major Linux operating systems. Any unprivileged user can exploit this vulnerability to crash systemd and hence the entire operating system (a kernel panic).\n\n### About systemd\n\n`systemd` is a software suite that\u2019s included in most Linux-based OSes. It provides an array of system components for Linux operating systems. It provides a system and service manager that runs as PID 1 and starts the rest of the system.\n\n### Impact\n\nThis vulnerability was introduced in systemd v220 (April 2015) by commit 7410616c ("core: rework unit name validation and manipulation logic"), which replaced a strdup() in the heap with a strdupa() on the stack. Successful exploitation of this vulnerability allows any unprivileged user to cause denial of service via kernel panic.\n\nAs soon as the Qualys research team confirmed the vulnerability, Qualys engaged in responsible vulnerability disclosure and coordinated with author and open-source distributions to announce the vulnerability.\n\n### Disclosure Timeline\n\n * **2021-06-09**: We sent our advisories for CVE-2021-33909 and CVE-2021-33910 to Red Hat Product Security (the two vulnerabilities are closely related and the systemd-security mailing list is hosted by Red Hat).\n * **2021-07-06**: We sent our advisories, and Red Hat sent the patches they wrote, to the linux-distros@openwall mailing list.\n * **2021-07-20**: Coordinated Release Date (12:00 PM UTC)\n\n### Technical Details\n\nsystemd monitors and parses the contents of /proc/self/mountinfo, and passes each mountpoint path to mount_setup_unit(), which passes it to unit_name_from_path(), which passes it to unit_name_path_escape():\n \n \n ------------------------------------------------------------------\n 1720 static int mount_load_proc_self_mountinfo(Manager *m, bool set_flags) {\n \u2026.\n 1727 r = libmount_parse(NULL, NULL, &table, &iter);\n \u2026.\n 1731 for (;;) {\n \u2026.\n 1735 r = mnt_table_next_fs(table, iter, &fs);\n \u2026.\n 1742 path = mnt_fs_get_target(fs);\n \u2026.\n 1751 (void) mount_setup_unit(m, device, path, options, fstype, set_flags);\n ------------------------------------------------------------------\n 1644 static int mount_setup_unit(\n 1645 Manager *m,\n 1646 const char *what,\n 1647 const char *where,\n 1648 const char *options,\n 1649 const char *fstype,\n 1650 bool set_flags) {\n \u2026.\n 1683 r = unit_name_from_path(where, \".mount\", &e);\n ------------------------------------------------------------------\n 512 int unit_name_from_path(const char *path, const char *suffix, char **ret) {\n \u2026\n 523 r = unit_name_path_escape(path, &p);\n ------------------------------------------------------------------\n 380 int unit_name_path_escape(const char *f, char **ret) {\n \u2026\n 386 p = strdupa(f);\n ------------------------------------------------------------------\n \n\nAt line 386, unit_name_path_escape() passes the mountpoint path to strdupa(), which is similar to strdup() but allocates memory on the stack (via alloca()), not in the heap (via malloc()).\n\nAs a result, if the total path length of this mountpoint exceeds 8MB (the default RLIMIT_STACK), then systemd crashes with a segmentation fault that also crashes the entire operating system (a kernel panic, because systemd is the "global init", PID 1).\n\n### Solution\n\nGiven the breadth of the attack surface for this vulnerability, Qualys recommends users apply patches for this vulnerability immediately.\n\nQualys customers can search the vulnerability knowledgebase for CVE-2021-33910 to identify all the QIDs and assets vulnerable for this vulnerability.\n\nIf you are not a customer, start your free Qualys VMDR trial to get full access to the QIDs (detections) for CVE-2021-33910, so you can identify your vulnerable assets.\n\n### Qualys Coverage\n\nQualys is releasing the QIDs in the table below as they become available starting with vulnsigs version VULNSIGS-2.5.237-3 and in Linux Cloud Agent manifest version lx_manifest-2.5.237.3-2\n\n**QID**| **Title**| **VulnSigs Version** \n---|---|--- \n750846| OpenSUSE Security Update for the systemd (openSUSE-SU-2021:2410-1)| VULNSIGS-2.5.237-3 / lx_manifest-2.5.237.3-2 \n750845| OpenSUSE Security Update for the systemd (openSUSE-SU-2021:2404-1)| VULNSIGS-2.5.237-3 / lx_manifest-2.5.237.3-2 \n750843| SUSE Enterprise Linux Security Update for systemd (SUSE-SU-2021:2405-1)| VULNSIGS-2.5.237-3 / lx_manifest-2.5.237.3-2 \n178711| Debian Security Update for systemd (DLA 2715-1)| VULNSIGS-2.5.237-3 / lx_manifest-2.5.237.3-2 \n178709| Debian Security Update for systemd (DSA 4942-1)| VULNSIGS-2.5.237-3 / lx_manifest-2.5.237.3-2 \n375711 | Linux systemd Denial of Service Vulnerability| VULNSIGS-2.5.237-3 / lx_manifest-2.5.237.3-2 \n \n### Discover Vulnerable Linux Servers Using Qualys VMDR\n\n#### Identify Assets Running systemd\n\nThe first step in managing these critical vulnerabilities and reducing risk is identification of assets running systemd software. [Qualys VMDR](<https://www.qualys.com/apps/vulnerability-management-detection-response/>) makes it easy to identify such assets.\n\nQuery: `software:(name:\"systemd\")`\n\n\n\nOnce the hosts are identified, they can be grouped together with a \u2018dynamic tag\u2019, let\u2019s say \u2013 \u201cLinux systemd Servers\u201d. This helps in automatically grouping existing hosts with the above vulnerabilities as well as any new Linux assets that spin up in your environment. Tagging makes these grouped assets available for querying, reporting and management throughout the [Qualys Cloud Platform](<https://www.qualys.com/cloud-platform/>).\n\n### Prioritize Based on RTIs\n\nUsing VMDR, the Exim vulnerabilities can be prioritized using the following real-time threat indicators (RTIs):\n\nPredicted_High_Risk \nDenial_of_Service \nEasy_Exploit \n\n\n\n\n### Detect Impacted Assets with Threat Protection\n\nVMDR also enables you to automatically map assets vulnerable to these vulnerabilities using Threat Protect.\n\n\n\n### Dashboard\n\nWith VMDR Unified Dashboard, you can track this vulnerability, their impacted hosts, their status and overall management in real time. With trending enabled for dashboard widgets, you can keep track of these vulnerabilities trends in your environment.\n\nView and download the ["Sequoia" dashboard](<https://success.qualys.com/support/s/article/000006731>):\n\n\n\n### Vendor References\n\n<https://www.qualys.com/2021/07/20/cve-2021-33910/denial-of-service-systemd.txt>\n\n### Frequently Asked Questions (FAQs)\n\n##### What versions are vulnerable?\n\nAll systemd versions from April 2015 onwards are vulnerable.\n\n##### Will the Qualys Research Team publish exploit code for this vulnerability?\n\nA PoC is attached with the advisory and available at <https://www.qualys.com/research/security-advisories/>.\n\n##### Are there any mitigations for this vulnerability?\n\nNo.", "cvss3": {}, "published": "2021-07-20T12:55:42", "type": "qualysblog", "title": "CVE-2021-33910: Denial of Service (Stack Exhaustion) in systemd (PID 1)", "bulletinFamily": "blog", "cvss2": {}, "cvelist": ["CVE-2021-33909", "CVE-2021-33910"], "modified": "2021-07-20T12:55:42", "id": "QUALYSBLOG:EDB9746552584C4E9F26754E4AB13D5B", "href": "https://blog.qualys.com/category/vulnerabilities-threat-research", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2021-07-30T08:33:40", "description": "The Qualys Research Team has discovered a size_t-to-int type conversion vulnerability in the Linux Kernel\u2019s filesystem layer affecting most Linux operating systems. Any unprivileged user can gain root privileges on a vulnerable host by exploiting this vulnerability in a default configuration.\n\n\n\n### About Linux Filesystem\n\nA file system is an organization of data and metadata on a storage device. It controls how the data is stored and retrieved, and its most important function is to manage user data. The Linux file system interface is implemented as a layered architecture, separating the user interface layer from the file system implementation and from the drivers that manipulate the storage devices. It is the most important function of any operating system and is ubiquitous on all major Linux operating systems.\n\n### Impact\n\nSuccessful exploitation of this vulnerability allows any unprivileged user to gain root privileges on the vulnerable host. Qualys security researchers have been able to independently verify the vulnerability, develop an exploit, and obtain full root privileges on default installations of Ubuntu 20.04, Ubuntu 20.10, Ubuntu 21.04, Debian 11, and Fedora 34 Workstation. Other Linux distributions are likely vulnerable and probably exploitable.\n\nAs soon as the Qualys research team confirmed the vulnerability, Qualys engaged in responsible vulnerability disclosure and coordinated with vendor and open-source distributions to announce the vulnerability.\n\n### Disclosure Timeline\n\n * **2021-06-09**: The Qualys Research Team (QRT) sent advisories for CVE-2021-33909 and CVE-2021-33910 to Red Hat Product Security (the two vulnerabilities are closely related, and the systemd-security mailing list is hosted by Red Hat).\n * **2021-07-06**: QRT sent advisories, and Red Hat sent the patches they wrote, to the linux-distros@openwall mailing list.\n * **2021-07-13**: QRT sent advisory for CVE-2021-33909, and Red Hat sent the patch they wrote, to the security@kernel mailing list.\n * **2021-07-20**: Coordinated Release Date (12:00 PM UTC).\n\n### Proof of Concept Video\n\n### Technical Details\n\nThe Linux kernel's seq_file interface produces virtual files that contain sequences of records (for example, many files in /proc are seq_files, and records are usually lines). Each record must fit into a seq_file buffer, which is therefore enlarged as needed, by doubling its size at line 242 (seq_buf_alloc() is a simple wrapper around kvmalloc()):\n \n \n ------------------------------------------------------------------------\n 168 ssize_t seq_read_iter(struct kiocb *iocb, struct iov_iter *iter)\n 169 {\n 170 struct seq_file _m = iocb->ki_filp->private_data; _\n _\u2026 _\n _205 /_ grab buffer if we didn't have one */\n 206 if (!m->buf) {\n 207 m->buf = seq_buf_alloc(m->size = PAGE_SIZE);\n \u2026\n 210 }\n \u2026\n 220 // get a non-empty record in the buffer\n \u2026\n 223 while (1) {\n \u2026\n 227 err = m->op->show(m, p);\n \u2026\n 236 if (!seq_has_overflowed(m)) // got it\n 237 goto Fill;\n 238 // need a bigger buffer\n \u2026\n 240 kvfree(m->buf);\n \u2026\n 242 m->buf = seq_buf_alloc(m->size <<= 1);\n \u2026\n 246 }\n ------------------------------------------------------------------------\n\nThis size multiplication is not a vulnerability in itself, because m->size is a size_t (an unsigned 64-bit integer, on x86_64), and the system would run out of memory long before this multiplication overflows the integer m->size. Unfortunately, this size_t is also passed to functions whose size argument is an int (a signed 32-bit integer), not a size_t. For example, the show_mountinfo() function (which is called at line 227 to format the records in /proc/self/mountinfo) calls seq_dentry() (at line 150), which calls dentry_path() (at line 530), which calls prepend() (at line 387):\n \n \n ------------------------------------------------------------------------\n 135 static int show_mountinfo(struct seq_file *m, struct vfsmount *mnt)\n 136 {\n \u2026\n 150 seq_dentry(m, mnt->mnt_root, \" \\t\\n\\\");\n ------------------------------------------------------------------------\n 523 int seq_dentry(struct seq_file *m, struct dentry *dentry, const char *esc)\n 524 {\n 525 char *buf;\n 526 size_t size = seq_get_buf(m, &buf);\n \u2026\n 529 if (size) {\n 530 char *p = dentry_path(dentry, buf, size);\n ------------------------------------------------------------------------\n 380 char *dentry_path(struct dentry *dentry, char *buf, int buflen)\n 381 {\n 382 char *p = NULL;\n \u2026\n 385 if (d_unlinked(dentry)) {\n 386 p = buf + buflen;\n 387 if (prepend(&p, &buflen, \"//deleted\", 10) != 0)\n ------------------------------------------------------------------------\n 11 static int prepend(char **buffer, int *buflen, const char *str, int namelen)\n 12 {\n 13 *buflen -= namelen;\n 14 if (*buflen < 0)\n 15 return -ENAMETOOLONG;\n 16 *buffer -= namelen;\n 17 memcpy(*buffer, str, namelen);\n ------------------------------------------------------------------------\n\nAs a result, if an unprivileged local attacker creates, mounts, and deletes a deep directory structure whose total path length exceeds 1GB, and if the attacker open()s and read()s /proc/self/mountinfo, then:\n\n * in seq_read_iter(), a 2GB buffer is vmalloc()ated (line 242), and show_mountinfo() is called (line 227);\n * in show_mountinfo(), seq_dentry() is called with the empty 2GB buffer (line 150);\n * in seq_dentry(), dentry_path() is called with a 2GB size (line 530);\n * in dentry_path(), the int buflen is therefore negative (INT_MIN, -2GB), p points to an offset of -2GB below the vmalloc()ated buffer (line 386), and prepend() is called (line 387);\n * in prepend(), *buflen is decreased by 10 bytes and becomes a large but positive int (line 13), *buffer is decreased by 10 bytes and points to an offset of -2GB-10B below the vmalloc()ated buffer (line 16), and the 10-byte string "//deleted" is written out of bounds (line 17).\n\n### Solution\n\nGiven the breadth of the attack surface for this vulnerability, Qualys recommends users apply patches for this vulnerability immediately.\n\nQualys customers can search the vulnerability knowledgebase for CVE-2021-33909 to identify all the QIDs and assets vulnerable for this vulnerability.\n\nIf you are not a customer, start your free Qualys VMDR trial to get full access to the QIDs (detections) for CVE-2021-33909, so you can identify your vulnerable assets.\n\n### Qualys Coverage\n\nQualys is releasing the QIDs in the table below as they become available starting with vulnsigs version VULNSIGS-2.5.237-3 and in Linux Cloud Agent manifest version lx_manifest-2.5.237.3-2\n\n**QID**| **Title**| **VulnSigs Version** \n---|---|--- \n750847| OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:2409-1)| VULNSIGS-2.5.237-3 / lx_manifest-2.5.237.3-2 \n750844| SUSE Enterprise Linux Security Update for kernel (SUSE-SU-2021:2407-1)| VULNSIGS-2.5.237-3 / lx_manifest-2.5.237.3-2 \n178710| Debian Security Update for linux (DSA 4941-1)| VULNSIGS-2.5.237-3 / lx_manifest-2.5.237.3-2 \n375710 | Linux Kernel Local Privilege Escalation Vulnerability (Sequoia)| VULNSIGS-2.5.237-3 / lx_manifest-2.5.237.3-2 \n \n### Discover Vulnerable Linux Servers Using Qualys VMDR\n\n#### Identify Assets Running Linux Kernel\n\nThe first step in managing these critical vulnerabilities and reducing risk is identification of assets running Linux OS. [Qualys VMDR](<https://www.qualys.com/apps/vulnerability-management-detection-response/>) makes it easy to identify such assets.\n\nQuery: operatingSystem.category1:`Linux`\n\n\n\nOnce the hosts are identified, they can be grouped together with a \u2018dynamic tag\u2019, let\u2019s say \u2013 \u201cLinux Servers\u201d. This helps in automatically grouping existing hosts with the above vulnerabilities as well as any new Linux assets that spin up in your environment. Tagging makes these grouped assets available for querying, reporting and management throughout the [Qualys Cloud Platform](<https://www.qualys.com/cloud-platform/>).\n\n#### Prioritize Based on RTIs\n\nUsing Qualys VMDR, the vulnerabilities can be prioritized using the following real-time threat indicators (RTIs):\n\nPredicted_High_Risk \nPrivilege_Escalation \nEasy_Exploit \nHigh_Lateral_Movement\n\n\n\n#### Detect Impacted Assets with Threat Protection\n\nVMDR also enables you to automatically map assets vulnerable to these vulnerabilities using Threat Protection.\n\n\n\n### Dashboard\n\nWith VMDR Unified Dashboard, you can track this vulnerability, their impacted hosts, their status and overall management in real time. With trending enabled for dashboard widgets, you can keep track of these vulnerabilities trends in your environment using the \u201cSequoia\u201d Dashboard.\n\nView and download the ["Sequoia" dashboard](<https://success.qualys.com/support/s/article/000006731>):\n\n\n\n### Vendor References\n\n<https://www.qualys.com/2021/07/20/cve-2021-33909/sequoia-local-privilege-escalation-linux.txt>\n\n### Frequently Asked Questions (FAQs)\n\n##### What versions are vulnerable?\n\nAll Linux kernel versions from 2014 onwards are vulnerable.\n\n##### Will the Qualys Research Team publish exploit code for this vulnerability?\n\nA PoC is attached with the advisory and available at <https://www.qualys.com/research/security-advisories/>.\n\n##### Are there any mitigations for this vulnerability?\n\nThe following mitigations prevent only our specific exploit from working (but other exploitation techniques may exist); to completely fix this vulnerability, the kernel must be patched.\n\n * Set /proc/sys/kernel/unprivileged_userns_clone to 0, to prevent an attacker from mounting a long directory in a user namespace. However, the attacker may mount a long directory via FUSE instead; we have not fully explored this possibility, because we accidentally stumbled upon CVE-2021-33910 in systemd: if an attacker FUSE-mounts a long directory (longer than 8MB), then systemd exhausts its stack, crashes, and therefore crashes the entire operating system (a kernel panic).\n * Set /proc/sys/kernel/unprivileged_bpf_disabled to 1, to prevent an attacker from loading an eBPF program into the kernel. However, the attacker may corrupt other vmalloc()ated objects instead (for example, thread stacks), but we have not investigated this possibility.\n\n##### **Why is the vulnerability named \u201cSequoia\u201d?**\n\nThe bug is in Linux's seq_file interface, and "Sequoia sempervirens" is a tree that has wide-spreading roots: a pun on the bug's deep directory tree that yields root privileges.", "cvss3": {}, "published": "2021-07-20T12:54:49", "type": "qualysblog", "title": "Sequoia: A Local Privilege Escalation Vulnerability in Linux\u2019s Filesystem Layer (CVE-2021-33909)", "bulletinFamily": "blog", "cvss2": {}, "cvelist": ["CVE-2021-33909", "CVE-2021-33910"], "modified": "2021-07-20T12:54:49", "id": "QUALYSBLOG:8F40D4EEA566F77FEE943CD2DB7E00CF", "href": "https://blog.qualys.com/category/vulnerabilities-threat-research", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}], "ubuntu": [{"lastseen": "2023-01-26T15:20:41", "description": "## Releases\n\n * Ubuntu 16.04 ESM\n\n## Packages\n\n * systemd \\- system and service manager\n\nUSN-5013-1 fixed several vulnerabilities in systemd. This update provides \nthe corresponding update for Ubuntu 16.04 ESM.\n\nOriginal advisory details:\n\nIt was discovered that systemd incorrectly handled certain mount paths. A \nlocal attacker could possibly use this issue to cause systemd to crash, \nresulting in a denial of service. (CVE-2021-33910)\n\nMitchell Frank discovered that systemd incorrectly handled DHCP FORCERENEW \npackets. A remote attacker could possibly use this issue to reconfigure \nservers. (CVE-2020-13529)\n", "cvss3": {"exploitabilityScore": 1.6, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "HIGH", "scope": "CHANGED", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 6.1, "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 4.0}, "published": "2021-07-20T00:00:00", "type": "ubuntu", "title": "systemd vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-13529", "CVE-2021-33910"], "modified": "2021-07-20T00:00:00", "id": "USN-5013-2", "href": "https://ubuntu.com/security/notices/USN-5013-2", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2023-01-26T15:20:41", "description": "## Releases\n\n * Ubuntu 21.04 \n * Ubuntu 20.10 \n * Ubuntu 20.04 LTS\n * Ubuntu 18.04 LTS\n\n## Packages\n\n * systemd \\- system and service manager\n\nIt was discovered that systemd incorrectly handled certain mount paths. A \nlocal attacker could possibly use this issue to cause systemd to crash, \nresulting in a denial of service. (CVE-2021-33910)\n\nMitchell Frank discovered that systemd incorrectly handled DHCP FORCERENEW \npackets. A remote attacker could possibly use this issue to reconfigure \nservers. (CVE-2020-13529)\n", "cvss3": {"exploitabilityScore": 1.6, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "HIGH", "scope": "CHANGED", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 6.1, "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 4.0}, "published": "2021-07-20T00:00:00", "type": "ubuntu", "title": "systemd vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-13529", "CVE-2021-33910"], "modified": "2021-07-20T00:00:00", "id": "USN-5013-1", "href": "https://ubuntu.com/security/notices/USN-5013-1", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}], "thn": [{"lastseen": "2022-05-09T12:39:18", "description": "[](<https://thehackernews.com/images/-KWMyudCGllM/YPe_4G7D-JI/AAAAAAAADRc/c15FBZB4zo8eKdZwApdLeq6oXzYkulE9QCLcBGAsYHQ/s0/windows-linux-hacking.jpg>)\n\nMicrosoft's Windows 10 and the upcoming Windows 11 versions have been found vulnerable to a new local privilege escalation vulnerability that permits users with low-level permissions access Windows system files, in turn, enabling them to unmask the operating system installation password and even decrypt private keys.\n\nThe vulnerability has been nicknamed \"SeriousSAM.\"\n\n\"Starting with Windows 10 build 1809, non-administrative users are granted access to SAM, SYSTEM, and SECURITY registry hive files,\" CERT Coordination Center (CERT/CC) said in a [vulnerability note](<https://kb.cert.org/vuls/id/506989>) published Monday. \"This can allow for local privilege escalation (LPE).\"\n\nThe operating system configuration files in question are as follows -\n\n * c:\\Windows\\System32\\config\\sam\n * c:\\Windows\\System32\\config\\system\n * c:\\Windows\\System32\\config\\security\n\nMicrosoft, which is tracking the vulnerability under the identifier [CVE-2021-36934](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-36934>), acknowledged the issue, but has yet to roll out a patch, or provide a timeline for when the fix will be made available.\n\n\"An elevation of privilege vulnerability exists because of overly permissive Access Control Lists (ACLs) on multiple system files, including the Security Accounts Manager ([SAM](<https://en.wikipedia.org/wiki/Security_Account_Manager>)) database,\" the Windows makers noted. \"An attacker who successfully exploited this vulnerability could run arbitrary code with SYSTEM privileges. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.\n\n[](<https://thehackernews.com/images/-RPXOmujuXrY/YPe-L2M8ZII/AAAAAAAADRU/oGSk56V9xQ8d1Mp_bb01h82y-PeBBrHbgCLcBGAsYHQ/s0/Windows-SAM.jpg>)\n\nSuccessful exploitation of the flaw, however, necessitates that the attacker already has a foothold and is in possession of the ability to execute code on the victim system. In the interim, the CERT/CC is recommending that users restrict access to sam, system, and security files and delete [VSS shadow copies](<https://docs.microsoft.com/en-us/windows-server/storage/file-server/volume-shadow-copy-service>) of the system drive.\n\nThe latest disclosure also marks the third publicly disclosed unpatched bug in Windows since the release of [Patch Tuesday updates](<https://thehackernews.com/2021/07/update-your-windows-pcs-to-patch-117.html>) on July 13. Besides CVE-2021-36934, two more [weaknesses](<https://thehackernews.com/2021/07/microsoft-warns-of-new-unpatched.html>) affecting the [Print Spooler](<https://thehackernews.com/2021/07/researcher-uncover-yet-another.html>) component have also been discovered, prompting Microsoft to urge all users to stop and disable the service to protect systems against exploitation.\n\n### Linux Distros Suffer from \"Sequoia\" Privilege Escalation Flaw\n\nIt's not just Windows. Remediations have been released for a security shortcoming affecting all [Linux kernel versions](<https://en.wikipedia.org/wiki/Linux_kernel_version_history>) from 2014 that can be exploited by malicious users and malware already deployed on a system to gain root-level privileges.\n\nDubbed \"Sequoia\" by researchers from cybersecurity firm Qualys, the issue has been assigned the identifier [CVE-2021-33909](<https://blog.qualys.com/vulnerabilities-threat-research/2021/07/20/sequoia-a-local-privilege-escalation-vulnerability-in-linuxs-filesystem-layer-cve-2021-33909>) and affects default installations of Ubuntu 20.04, Ubuntu 20.10, Ubuntu 21.04, Debian 11, and Fedora 34 Workstation. Red Hat Enterprise Linux versions 6, 7, and 8 are also [affected](<https://access.redhat.com/security/vulnerabilities/RHSB-2021-006>) by the vulnerability.\n\nSpecifically, the flaw concerns a size_t-to-int type conversion vulnerability in the Linux Kernel's \"seq_file\" file system interface, permitting an unprivileged local attacker to create, mount, and delete a deep directory structure whose total path length exceeds 1GB, resulting in privilege escalation on the vulnerable host.\n\nSeparately, Qualys also disclosed a stack exhaustion denial-of-service vulnerability in [systemd](<https://en.wikipedia.org/wiki/Systemd>) ([CVE-2021-33910](<https://blog.qualys.com/vulnerabilities-threat-research/2021/07/20/cve-2021-33910-denial-of-service-stack-exhaustion-in-systemd-pid-1>)) that could be exploited by unprivileged attackers to crash the software suite and trigger a [kernel panic](<https://en.wikipedia.org/wiki/Kernel_panic>).\n\n \n\n\nFound this article interesting? Follow THN on [Facebook](<https://www.facebook.com/thehackernews>), [Twitter _\uf099_](<https://twitter.com/thehackersnews>) and [LinkedIn](<https://www.linkedin.com/company/thehackernews/>) to read more exclusive content we post.\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-07-21T06:37:00", "type": "thn", "title": "New Windows and Linux Flaws Give Attackers Highest System Privileges", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.2, "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33909", "CVE-2021-33910", "CVE-2021-36934"], "modified": "2021-07-22T03:36:46", "id": "THN:D45AECD2A3661A45A08377EAEF0B729F", "href": "https://thehackernews.com/2021/07/new-windows-and-linux-flaws-give.html", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}], "mageia": [{"lastseen": "2022-04-18T11:19:35", "description": "This systemd update provides the v246.15 maintenance release and fixes at least the following security issues: An exploitable denial-of-service vulnerability exists in Systemd 245. A specially crafted DHCP FORCERENEW packet can cause a server running the DHCP client to be vulnerable to a DHCP ACK spoofing attack. An attacker can forge a pair of FORCERENEW and DCHP ACK packets to reconfigure the server (CVE-2020-13529). basic/unit-name.c in systemd 220 through 248 has a Memory Allocation with an Excessive Size Value (involving strdupa and alloca for a pathname controlled by a local attacker) that results in an operating system crash (CVE-2021-29270). \n", "cvss3": {"exploitabilityScore": 1.6, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "HIGH", "scope": "CHANGED", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 6.1, "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 4.0}, "published": "2021-07-22T07:08:00", "type": "mageia", "title": "Updated systemd packages fix security vulnerabilities\n", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 4.9, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-13529", "CVE-2021-29270", "CVE-2021-33910"], "modified": "2021-07-22T07:07:59", "id": "MGASA-2021-0365", "href": "https://advisories.mageia.org/MGASA-2021-0365.html", "cvss": {"score": 4.9, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C"}}], "packetstorm": [{"lastseen": "2021-07-21T17:28:49", "description": "", "cvss3": {}, "published": "2021-07-21T00:00:00", "type": "packetstorm", "title": "Sequoia: A Deep Root In Linux's Filesystem Layer", "bulletinFamily": "exploit", "cvss2": {}, "cvelist": ["CVE-2020-8835", "CVE-2021-33909", "CVE-2021-33910"], "modified": "2021-07-21T00:00:00", "id": "PACKETSTORM:163621", "href": "https://packetstormsecurity.com/files/163621/Sequoia-A-Deep-Root-In-Linuxs-Filesystem-Layer.html", "sourceData": "` \nQualys Security Advisory \n \nSequoia: A deep root in Linux's filesystem layer (CVE-2021-33909) \n \n \n======================================================================== \nContents \n======================================================================== \n \nSummary \nAnalysis \nExploitation overview \nExploitation details \nMitigations \nAcknowledgments \nTimeline \n \n \n======================================================================== \nSummary \n======================================================================== \n \nWe discovered a size_t-to-int conversion vulnerability in the Linux \nkernel's filesystem layer: by creating, mounting, and deleting a deep \ndirectory structure whose total path length exceeds 1GB, an unprivileged \nlocal attacker can write the 10-byte string \"//deleted\" to an offset of \nexactly -2GB-10B below the beginning of a vmalloc()ated kernel buffer. \n \nWe successfully exploited this uncontrolled out-of-bounds write, and \nobtained full root privileges on default installations of Ubuntu 20.04, \nUbuntu 20.10, Ubuntu 21.04, Debian 11, and Fedora 34 Workstation; other \nLinux distributions are certainly vulnerable, and probably exploitable. \nOur exploit requires approximately 5GB of memory and 1M inodes; we will \npublish it in the near future. A basic proof of concept (a crasher) is \nattached to this advisory and is available at: \n \nhttps://www.qualys.com/research/security-advisories/ \n \nTo the best of our knowledge, this vulnerability was introduced in July \n2014 (Linux 3.16) by commit 058504ed (\"fs/seq_file: fallback to vmalloc \nallocation\"). \n \n \n======================================================================== \nAnalysis \n======================================================================== \n \nThe Linux kernel's seq_file interface produces virtual files that \ncontain sequences of records (for example, many files in /proc are \nseq_files, and records are usually lines). Each record must fit into a \nseq_file buffer, which is therefore enlarged as needed, by doubling its \nsize at line 242 (seq_buf_alloc() is a simple wrapper around \nkvmalloc()): \n \n------------------------------------------------------------------------ \n168 ssize_t seq_read_iter(struct kiocb *iocb, struct iov_iter *iter) \n169 { \n170 struct seq_file *m = iocb->ki_filp->private_data; \n... \n205 /* grab buffer if we didn't have one */ \n206 if (!m->buf) { \n207 m->buf = seq_buf_alloc(m->size = PAGE_SIZE); \n... \n210 } \n... \n220 // get a non-empty record in the buffer \n... \n223 while (1) { \n... \n227 err = m->op->show(m, p); \n... \n236 if (!seq_has_overflowed(m)) // got it \n237 goto Fill; \n238 // need a bigger buffer \n... \n240 kvfree(m->buf); \n... \n242 m->buf = seq_buf_alloc(m->size <<= 1); \n... \n246 } \n------------------------------------------------------------------------ \n \nThis size multiplication is not a vulnerability in itself, because \nm->size is a size_t (an unsigned 64-bit integer, on x86_64), and the \nsystem would run out of memory long before this multiplication overflows \nthe integer m->size. \n \nUnfortunately, this size_t is also passed to functions whose size \nargument is an int (a signed 32-bit integer), not a size_t. For example, \nthe show_mountinfo() function (which is called at line 227 to format the \nrecords in /proc/self/mountinfo) calls seq_dentry() (at line 150), which \ncalls dentry_path() (at line 530), which calls prepend() (at line 387): \n \n------------------------------------------------------------------------ \n135 static int show_mountinfo(struct seq_file *m, struct vfsmount *mnt) \n136 { \n... \n150 seq_dentry(m, mnt->mnt_root, \" \\t\\n\\\\\"); \n------------------------------------------------------------------------ \n523 int seq_dentry(struct seq_file *m, struct dentry *dentry, const char *esc) \n524 { \n525 char *buf; \n526 size_t size = seq_get_buf(m, &buf); \n... \n529 if (size) { \n530 char *p = dentry_path(dentry, buf, size); \n------------------------------------------------------------------------ \n380 char *dentry_path(struct dentry *dentry, char *buf, int buflen) \n381 { \n382 char *p = NULL; \n... \n385 if (d_unlinked(dentry)) { \n386 p = buf + buflen; \n387 if (prepend(&p, &buflen, \"//deleted\", 10) != 0) \n------------------------------------------------------------------------ \n11 static int prepend(char **buffer, int *buflen, const char *str, int namelen) \n12 { \n13 *buflen -= namelen; \n14 if (*buflen < 0) \n15 return -ENAMETOOLONG; \n16 *buffer -= namelen; \n17 memcpy(*buffer, str, namelen); \n------------------------------------------------------------------------ \n \nAs a result, if an unprivileged local attacker creates, mounts, and \ndeletes a deep directory structure whose total path length exceeds 1GB, \nand if the attacker open()s and read()s /proc/self/mountinfo, then: \n \n- in seq_read_iter(), a 2GB buffer is vmalloc()ated (line 242), and \nshow_mountinfo() is called (line 227); \n \n- in show_mountinfo(), seq_dentry() is called with the empty 2GB buffer \n(line 150); \n \n- in seq_dentry(), dentry_path() is called with a 2GB size (line 530); \n \n- in dentry_path(), the int buflen is therefore negative (INT_MIN, \n-2GB), p points to an offset of -2GB below the vmalloc()ated buffer \n(line 386), and prepend() is called (line 387); \n \n- in prepend(), *buflen is decreased by 10 bytes and becomes a large but \npositive int (line 13), *buffer is decreased by 10 bytes and points to \nan offset of -2GB-10B below the vmalloc()ated buffer (line 16), and \nthe 10-byte string \"//deleted\" is written out of bounds (line 17). \n \n \n======================================================================== \nExploitation overview \n======================================================================== \n \n1/ We mkdir() a deep directory structure (roughly 1M nested directories) \nwhose total path length exceeds 1GB, we bind-mount it in an unprivileged \nuser namespace, and rmdir() it. \n \n2/ We create a thread that vmalloc()ates a small eBPF program (via \nBPF_PROG_LOAD), and we block this thread (via userfaultfd or FUSE) after \nour eBPF program has been validated by the kernel eBPF verifier but \nbefore it is JIT-compiled by the kernel. \n \n3/ We open() /proc/self/mountinfo in our unprivileged user namespace, \nand start read()ing the long path of our bind-mounted directory, thereby \nwriting the string \"//deleted\" to an offset of exactly -2GB-10B below \nthe beginning of a vmalloc()ated buffer. \n \n4/ We arrange for this \"//deleted\" string to overwrite an instruction of \nour validated eBPF program (and therefore nullify the security checks of \nthe kernel eBPF verifier), and transform this uncontrolled out-of-bounds \nwrite into an information disclosure, and into a limited but controlled \nout-of-bounds write. \n \n5/ We transform this limited out-of-bounds write into an arbitrary read \nand write of kernel memory, by reusing Manfred Paul's beautiful btf and \nmap_push_elem techniques from: \n \nhttps://www.thezdi.com/blog/2020/4/8/cve-2020-8835-linux-kernel-privilege-escalation-via-improper-ebpf-program-verification \n \n6/ We use this arbitrary read to locate the modprobe_path[] buffer in \nkernel memory, and use the arbitrary write to replace the contents of \nthis buffer (\"/sbin/modprobe\" by default) with a path to our own \nexecutable, thus obtaining full root privileges. \n \n \n======================================================================== \nExploitation details \n======================================================================== \n \na/ We create a directory whose total path length exceeds 1GB: in theory, \nwe need to create over 1GB/256B=4M nested directories (NAME_MAX is 255); \nin practice, show_mountinfo() replaces each '\\\\' character in our long \ndirectory with the 4-byte string \"\\\\134\", and we therefore need to \ncreate only 1M nested directories. \n \nb/ We fill all large vmalloc holes: we bind-mount (MS_BIND) various \nparts of our long directory in several unprivileged user namespaces and \nvmalloc()ate large seq_file buffers by read()ing /proc/self/mountinfo. \nFor example, we vmalloc()ate 768MB of large buffers in our exploit. \n \nc/ We vmalloc()ate two 1GB buffers and one 2GB buffer (by bind-mounting \nour long directory in three different user namespaces, and by read()ing \n/proc/self/mountinfo), and we check that \"//deleted\" is indeed written \nto an offset of -2GB-10B below the beginning of our 2GB buffer (i.e., \n8182B above the beginning of our first 1GB buffer -- the \"XXX\"s are \nguard pages): \n \n\"//deleted\" \n| \n4KB v 1GB 4KB 1GB 4KB 2GB \n-----|---|---+-------------|---|-----------------|---|-----------------| \n... |XXX| seq_file buffer |XXX| seq_file buffer |XXX| seq_file buffer | \n-----|---|---+-------------|---|-----------------|---|-----------------| \n| | | \n| \\----<----<----<----<----<----<----<----/ \n8182B -2GB-10B \n \nd/ We fill all small vmalloc holes: we vmalloc()ate various small socket \nbuffers by send()ing numerous NETLINK_USERSOCK messages. For example, we \nvmalloc()ate 256MB of small buffers in our exploit. \n \ne/ We create 1024 user-space threads; each thread starts loading an eBPF \nprogram into the kernel, but (via userfaultfd or FUSE) we block every \nthread in kernel space (at line 2101), before our eBPF programs are \nactually vmalloc()ated (at line 2162): \n \n------------------------------------------------------------------------ \n2076 static int bpf_prog_load(union bpf_attr *attr, union bpf_attr __user *uattr) \n2077 { \n.... \n2100 /* copy eBPF program license from user space */ \n2101 if (strncpy_from_user(license, u64_to_user_ptr(attr->license), \n.... \n2161 /* plain bpf_prog allocation */ \n2162 prog = bpf_prog_alloc(bpf_prog_size(attr->insn_cnt), GFP_USER); \n------------------------------------------------------------------------ \n \nf/ We vfree() our first 1GB seq_file buffer (where \"//deleted\" was \nwritten out of bounds), and we immediately unblock all 1024 threads; our \neBPF programs are vmalloc()ated into the 1GB hole that we just vfree()d: \n \n4KB 1GB 4KB 1GB 4KB 2GB \n-----|---|-----------------|---|-----------------|---|-----------------| \n... |XXX| eBPF programs |XXX| seq_file buffer |XXX| seq_file buffer | \n-----|---|-----------------|---|-----------------|---|-----------------| \n \ng/ Next, (again via userfaultfd or FUSE) we block one of our threads (at \nline 12795) after its eBPF program has been validated by the kernel eBPF \nverifier but before it is JIT-compiled by the kernel: \n \n------------------------------------------------------------------------ \n12640 int bpf_check(struct bpf_prog **prog, union bpf_attr *attr, \n12641 union bpf_attr __user *uattr) \n12642 { \n..... \n12795 print_verification_stats(env); \n------------------------------------------------------------------------ \n \nh/ Last, we overwrite an instruction of this eBPF program with an \nout-of-bounds \"//deleted\" string (again via our 2GB seq_file buffer), \nand therefore nullify the security checks of the kernel eBPF verifier: \n \n\"//deleted\" \n| \n4KB v 1GB 4KB 1GB 4KB 2GB \n-----|---|---+-------------|---|-----------------|---|-----------------| \n... |XXX| eBPF programs |XXX| seq_file buffer |XXX| seq_file buffer | \n-----|---|---+-------------|---|-----------------|---|-----------------| \n| | | \n| \\----<----<----<----<----<----<----<----/ \n8182B -2GB-10B \n \nFirst, we transform this uncontrolled eBPF-program corruption into an \ninformation disclosure. Our first, uncorrupted eBPF program is deemed \nsafe by the kernel eBPF verifier (\"storage\" and \"control\" are two basic \nBPF_MAP_TYPE_ARRAYs, readable and writable from user space via \nBPF_MAP_LOOKUP_ELEM and BPF_MAP_UPDATE_ELEM): \n \n- BPF_LD_IMM64_RAW(BPF_REG_2, BPF_PSEUDO_MAP_VALUE, storage) loads the \naddress of our storage map (which resides in kernel space and whose \naddress is unknown to us) into the eBPF register BPF_REG_2; \n \n- BPF_MOV64_IMM(BPF_REG_2, 0) immediately replaces the contents of \nBPF_REG_2 (the address of our storage map) with the constant value 0; \n \n- BPF_LD_IMM64_RAW(BPF_REG_3, BPF_PSEUDO_MAP_VALUE, control) loads the \naddress of our control map into BPF_REG_3; \n \n- BPF_STX_MEM(BPF_DW, BPF_REG_3, BPF_REG_2, 0) stores the contents of \nBPF_REG_2 (the constant value 0) into our control map. \n \nHowever, our eBPF-program corruption overwrites the instruction \nBPF_MOV64_IMM(BPF_REG_2, 0) with the 8-byte string \"deleted\", which \ntranslates into the instruction BPF_ALU32_IMM(BPF_LSH, BPF_REG_5, 0x74): \na NOP (\"no operation\"), because our program does not use BPF_REG_5. As a \nresult, we do not store the constant value 0 into our control map: \ninstead, we store and disclose the address of our storage map. \n \n(This information disclosure allowed us to greatly reduce the number of \nhardcoded kernel offsets in our exploit: our Ubuntu 20.04 exploit worked \nout of the box on Ubuntu 20.10, Ubuntu 21.04, Debian 11, and Fedora 34.) \n \nSecond, we transform our uncontrolled eBPF-program corruption into a \nlimited but controlled out-of-bounds write. Our second, uncorrupted eBPF \nprogram is also deemed safe by the kernel eBPF verifier (\"corrupt\" is a \n3*64KB BPF_MAP_TYPE_ARRAY): \n \n- BPF_LD_IMM64_RAW(BPF_REG_4, BPF_PSEUDO_MAP_VALUE, corrupt) loads the \naddress of our corrupt map into BPF_REG_4; \n \n- BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 3*64KB/2) points BPF_REG_4 to the \nmiddle of our corrupt map; \n \n- BPF_ALU64_IMM(BPF_SUB, BPF_REG_4, 3*64KB/4) points BPF_REG_4 to the \nfirst quarter of our corrupt map; \n \n- BPF_LD_IMM64_RAW(BPF_REG_3, BPF_PSEUDO_MAP_VALUE, control) loads the \naddress of our control map into BPF_REG_3; \n \n- BPF_LDX_MEM(BPF_H, BPF_REG_7, BPF_REG_3, 0) loads a variable 16-bit \noffset from our control map into BPF_REG_7; \n \n- BPF_ALU64_REG(BPF_ADD, BPF_REG_4, BPF_REG_7) adds BPF_REG_7 (our \nvariable 16-bit offset) to BPF_REG_4, which therefore points safely \nwithin the bounds of our corrupt map (because BPF_REG_7 is in the \n[0,64KB] range). \n \nHowever, our eBPF-program corruption overwrites the instruction \nBPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 3*64KB/2) with the string \"deleted\", \nwhich translates into BPF_ALU32_IMM(BPF_LSH, BPF_REG_5, 0x74) (a NOP). \nAs a result, the following BPF_ALU64_IMM(BPF_SUB, BPF_REG_4, 3*64KB/4) \npoints BPF_REG_4 out of bounds and allows us to read from and write to \nthe struct bpf_map that precedes our corrupt map in kernel space. \n \nFinally, we transform this limited out-of-bounds read and write into an \narbitrary read and write of kernel memory, by reusing Manfred Paul's btf \nand map_push_elem techniques: \n \n- With the arbitrary kernel read we locate the symbol \"__request_module\" \nand hence the function __request_module(), disassemble this function, \nand extract the address of modprobe_path[] from the instructions for \n\"if (!modprobe_path[0])\". \n \n- With the arbitrary kernel write we overwrite the contents of \nmodprobe_path[] (\"/sbin/modprobe\" by default) with a path to our own \nexecutable, and call request_module() (by creating a netlink socket), \nwhich executes modprobe_path, and hence our own executable, as root. \n \n \n======================================================================== \nMitigations \n======================================================================== \n \nImportant note: the following mitigations prevent only our specific \nexploit from working (but other exploitation techniques may exist); to \ncompletely fix this vulnerability, the kernel must be patched. \n \n- Set /proc/sys/kernel/unprivileged_userns_clone to 0, to prevent an \nattacker from mounting a long directory in a user namespace. However, \nthe attacker may mount a long directory via FUSE instead; we have not \nfully explored this possibility, because we accidentally stumbled upon \nCVE-2021-33910 in systemd: if an attacker FUSE-mounts a long directory \n(longer than 8MB), then systemd exhausts its stack, crashes, and \ntherefore crashes the entire operating system (a kernel panic). \n \n- Set /proc/sys/kernel/unprivileged_bpf_disabled to 1, to prevent an \nattacker from loading an eBPF program into the kernel. However, the \nattacker may corrupt other vmalloc()ated objects instead (for example, \nthread stacks), but we have not investigated this possibility. \n \n \n======================================================================== \nAcknowledgments \n======================================================================== \n \nWe thank the PaX Team for answering our many questions about the Linux \nkernel. We also thank Manfred Paul, Jann Horn, Brandon Azad, Simon \nScannell, and Bruce Leidl for their exploits and write-ups: \n \nhttps://www.thezdi.com/blog/2020/4/8/cve-2020-8835-linux-kernel-privilege-escalation-via-improper-ebpf-program-verification \nhttps://googleprojectzero.blogspot.com/2016/06/exploiting-recursion-in-linux-kernel_20.html \nhttps://googleprojectzero.blogspot.com/2020/12/an-ios-hacker-tries-android.html \nhttps://scannell.io/posts/ebpf-fuzzing/ \nhttps://github.com/brl/grlh \n \nWe thank Red Hat Product Security and the members of \nlinux-distros@openwall and security@kernel for their work on this \ncoordinated disclosure. We also thank Mitre's CVE Assignment Team. \nFinally, we thank Marco Ivaldi for his continued support. \n \n \n======================================================================== \nTimeline \n======================================================================== \n \n2021-06-09: We sent our advisories for CVE-2021-33909 and CVE-2021-33910 \nto Red Hat Product Security (the two vulnerabilities are closely related \nand the systemd-security mailing list is hosted by Red Hat). \n \n2021-07-06: We sent our advisories, and Red Hat sent the patches they \nwrote, to the linux-distros@openwall mailing list. \n \n2021-07-13: We sent our advisory for CVE-2021-33909, and Red Hat sent \nthe patch they wrote, to the security@kernel mailing list. \n \n2021-07-20: Coordinated Release Date (12:00 PM UTC). \n \n \n`\n", "sourceHref": "https://packetstormsecurity.com/files/download/163621/sequoia-local-privilege-escalation-linux.txt", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}], "ics": [{"lastseen": "2022-10-27T15:34:08", "description": "## 1\\. EXECUTIVE SUMMARY\n\n * **CVSS v3 9.8**\n * **ATTENTION: **Exploitable remotely, low attack complexity\n * **Vendor:** Siemens\n * **Equipment:** SCALANCE LPE9403\n * **Vulnerabilities:** Multiple\n\n## 2\\. RISK EVALUATION\n\nSuccessful exploitation of these vulnerabilities could cause crashes and unrestricted file access, impacting the product\u2019s confidentiality, integrity, and availability.\n\n## 3\\. TECHNICAL DETAILS\n\n### 3.1 AFFECTED PRODUCTS\n\nThe following versions of SCALANCE LPE9403 (Local Processing Engine), a processing power extension for the SCALANCE family of products, are affected:\n\n * All versions prior to v2.0\n * The vulnerabilities exist within the third-party components CivetWeb, Docker, Linux kernel and system, which are part of the SCALANCE LPE9403.\n\n### 3.2 VULNERABILITY OVERVIEW\n\n#### 3.2.1 [IMPROPER LIMITATION OF A PATHNAME TO A RESTRICTED DIRECTORY ('PATH TRAVERSAL') CWE-22](<https://cwe.mitre.org/data/definitions/22.html>)\n\nThe CivetWeb web library does not validate uploaded filepaths when running on an OS other than Windows when using the built-in HTTP form-based file upload mechanism, via the mg_handle_form_request API. Web applications using the file upload form handler, as well as those that use parts of the user-controlled filename in the output path, are susceptible to directory traversal.\n\n[CVE-2020-27304](<http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-27304>) has been assigned to this vulnerability. A CVSS v3 base score of 9.8 has been calculated; the CVSS vector string is ([AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H](<https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H>)).\n\n#### 3.2.2 [IMPROPER INITIALIZATION CWE-665](<https://cwe.mitre.org/data/definitions/665.html>)\n\nA corrupted timer tree caused the task wakeup to be missing in the timerqueue_add function in lib/timerqueue.c. This flaw allows a local attacker with special user privileges to cause a denial-of-service condition, slowing and eventually stopping the system while running OSP.\n\n[CVE-2021-20317](<http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-20317>) has been assigned to this vulnerability. A CVSS v3 base score of 4.4 has been calculated; the CVSS vector string is ([AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H](<https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H>)).\n\n#### 3.2.3 [ALLOCATION OF RESOURCES WITHOUT LIMITS OR THROTTLING CWE-770](<https://cwe.mitre.org/data/definitions/770.html>)\n\nThe use of alloca function with an uncontrolled size in function unit_name_path_escape allows a local attacker, able to mount a filesystem on a very long path, to crash systemd and the whole system by allocating a large space in the stack.\n\n[CVE-2021-33910](<http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-33910>) has been assigned to this vulnerability. A CVSS v3 base score of 5.5 has been calculated; the CVSS vector string is ([AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H](<https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H>)).\n\n#### 3.2.4 [CONCURRENT EXECUTION USING SHARED RESOURCE WITH IMPROPER SYNCHRONIZATION ('RACE CONDITION') CWE-362](<https://cwe.mitre.org/data/definitions/362.html>)\n\nA race condition vulnerability exists in Go. The incoming requests\u2019 bodies are not closed after the handler panic, which could lead to a Reverse Proxy crash.\n\n[CVE-2021-36221](<http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-36221>) has been assigned to this vulnerability. A CVSS v3 base score of 5.9 has been calculated; the CVSS vector string is ([AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H](<https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H>)).\n\n#### 3.2.5 [ALLOCATION OF RESOURCES WITHOUT LIMITS OR THROTTLING CWE-770](<https://cwe.mitre.org/data/definitions/770.html>)\n\nThe fix for [CVE-2021-33196](<http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-33196>) can be bypassed by crafted inputs. As a result, the NewReader and OpenReader functions in archive/zip can still cause a panic or an unrecoverable fatal error when reading an archive that claims to contain a large number of files, regardless of its actual size.\n\n[CVE-2021-39293](<http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-39293>) has been assigned to this vulnerability. A CVSS v3 base score of 7.5 has been calculated; the CVSS vector string is ([AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H](<https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H>)).\n\n#### 3.2.6 [IMPROPER PRESERVATION OF PERMISSIONS CWE-281](<https://cwe.mitre.org/data/definitions/281.html>)\n\nA vulnerability exists in Moby (Docker Engine) where attempting to copy files using docker cp into a specially crafted container can result in UNIX file permission changes for existing files in the host\u2019s filesystem, widening access to others. This does not directly allow files to be read, modified, or executed without an additional cooperating process.\n\n[CVE-2021-41089](<http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-41089>) has been assigned to this vulnerability. A CVSS v3 base score of 2.8 has been calculated; the CVSS vector string is ([AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N](<https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N>)).\n\n#### 3.2.7 [INCORRECT PERMISSION ASSIGNMENT FOR CRITICAL RESOURCE CWE-732](<https://cwe.mitre.org/data/definitions/732.html>)\n\nA vulnerability exists in Moby (Docker Engine) where the data directory contains subdirectories with insufficiently restricted permissions, allowing otherwise unprivileged Linux users to traverse directory contents and execute programs.\n\n[CVE-2021-41091](<http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-41091>) has been assigned to this vulnerability. A CVSS v3 base score of 6.3 has been calculated; the CVSS vector string is ([AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L](<https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L>)).\n\n#### 3.2.8 [EXPOSURE OF SENSITIVE INFORMATION TO AN UNAUTHORIZED ACTOR CWE-200](<https://cwe.mitre.org/data/definitions/200.html>)\n\nA vulnerability exists in the Docker CLI where running docker login my-private-registry.example.com with a misconfigured configuration file would result in any provided credentials being sent to registry-1.docker.io rather than the intended private registry.\n\n[CVE-2021-41092](<http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-41092>) has been assigned to this vulnerability. A CVSS v3 base score of 5.4 has been calculated; the CVSS vector string is ([AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:N/A:N](<https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:N/A:N>)).\n\n#### 3.2.9 [IMPROPER LIMITATION OF A PATHNAME TO A RESTRICTED DIRECTORY (\u2018PATH TRAVERSAL\u2019) CWE-22](<https://cwe.mitre.org/data/definitions/22.html>)\n\nA vulnerability exists in container where container root directories and some plugins have insufficiently restricted permissions, allowing otherwise unprivileged Linux users to traverse directory contents and execute programs.\n\n[CVE-2021-41103](<http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-41103>) has been assigned to this vulnerability. A CVSS v3 base score of 5.9 has been calculated; the CVSS vector string is ([AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L](<https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L>)).\n\n#### 3.2.10 [IMPROPER PRESERVATION OF PERMISSIONS CWE-281](<https://cwe.mitre.org/data/definitions/281.html>)\n\nA vulnerability exists in the \u201cflags\u201d member of the new pipe buffer structure in the Linux kernel and could contain stale values. An unprivileged local user could use this to write to pages in the page cache backed by read only files and as such escalate their privileges on the system.\n\n[CVE-2022-0847](<http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-0847>) has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been calculated; the CVSS vector string is ([AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H](<https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H>)).\n\n### 3.3 BACKGROUND\n\n * **CRITICAL INFRASTRUCTURE SECTORS:** Multiple sectors\n * **COUNTRIES/AREAS DEPLOYED:** Worldwide\n * **COMPANY HEADQUARTERS LOCATION:** Germany\n\n### 3.4 RESEARCHER\n\nSiemens reported these vulnerabilities to CISA.\n\n## 4\\. MITIGATIONS\n\nSiemens recommends users of the affected product [update to Version 2.0](<https://support.industry.siemens.com/cs/ww/en/ view/109811123/>) or later.\n\nAs a general security measure, Siemens recommends protecting network access to devices with appropriate mechanisms. To operate the devices in a protected IT environment, Siemens recommends configuring the environment according to [Siemens\u2019 operational guidelines for industrial security](<https://www.siemens.com/cert/operational-guidelines-industrial-security>) and following recommendations in the product manuals.\n\nAdditional information on industrial security by Siemens can be found on the [Siemens industrial security webpage](<https://www.siemens.com/industrialsecurity>).\n\nFor more information see Siemens Security Advisory [SSA-222547](<https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf>)\n\nCISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures. \n \nCISA also provides a section for [control systems security recommended practices](<https://www.cisa.gov/uscert/ics/recommended-practices>) on the [ICS webpage on cisa.gov/ics](<https://cisa.gov/ics>) Several recommended practices are available for reading and download, including [Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies](<https://www.cisa.gov/uscert/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf>).\n\nAdditional mitigation guidance and recommended practices are publicly available on the [ICS webpage on cisa.gov/ics](<https://cisa.gov/ics>) in the Technical Information Paper, [ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies](<https://www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B>). \n \nOrganizations observing any suspected malicious activity should follow their established internal procedures and report their findings to CISA for tracking and correlation against other incidents.\n\nNo known public exploits specifically target these vulnerabilities.\n\n## \nContact Information\n\nFor any questions related to this report, please contact the CISA at: \n \nEmail: [CISAservicedesk@cisa.dhs.gov](<mailto:cisaservicedesk@cisa.dhs.gov>) \nToll Free: 1-888-282-0870\n\nFor industrial control systems cybersecurity information: https://us-cert.cisa.gov/ics \nor incident reporting: https://us-cert.cisa.gov/report\n\nCISA continuously strives to improve its products and services. You can help by choosing one of the links below to provide feedback about this product.\n\nThis product is provided subject to this Notification and this [Privacy & Use](<https://www.dhs.gov/privacy-policy>) policy.\n\n**Please share your thoughts.**\n\nWe recently updated our anonymous [product survey](<https://www.surveymonkey.com/r/CISA-cyber-survey?product=https://us-cert.cisa.gov/ics/advisories/icsa-22-167-09>); we'd welcome your feedback.\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2022-06-16T00:00:00", "type": "ics", "title": "Siemens SCALANCE LPE9403 Third-Party Vulnerabilities", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-27304", "CVE-2021-20317", "CVE-2021-33196", "CVE-2021-33910", "CVE-2021-36221", "CVE-2021-39293", "CVE-2021-41089", "CVE-2021-41091", "CVE-2021-41092", "CVE-2021-41103", "CVE-2022-0847"], "modified": "2022-06-16T00:00:00", "id": "ICSA-22-167-09", "href": "https://www.us-cert.gov/ics/advisories/icsa-22-167-09", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}]}
CVE-2021-33910
