A NULL pointer dereference in sanei_epson_net_read in SANE Backends before 1.0.30 allows a malicious device connected to the same local network as the victim to cause a denial of service, aka GHSL-2020-075.
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A malicious remote\ndevice could exploit these to trigger information disclosure, denial\nof service and possibly remote code execution.\n\nCVE-2020-12862\n\n An out-of-bounds read in SANE Backends before 1.0.30 may allow a\n malicious device connected to the same local network as the victim\n to read important information, such as the ASLR offsets of the\n program, aka GHSL-2020-082.\n\nCVE-2020-12863\n\n An out-of-bounds read in SANE Backends before 1.0.30 may allow a\n malicious device connected to the same local network as the victim\n to read important information, such as the ASLR offsets of the\n program, aka GHSL-2020-083.\n\nCVE-2020-12865\n\n A heap buffer overflow in SANE Backends before 1.0.30 may allow a\n malicious device connected to the same local network as the victim\n to execute arbitrary code, aka GHSL-2020-084.\n\nCVE-2020-12867\n\n A NULL pointer dereference in sanei_epson_net_read in SANE\n Backends before 1.0.30 allows a malicious device connected to the\n same 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"description": "- -------------------------------------------------------------------------\nDebian LTS Advisory DLA-2332-2 debian-lts@lists.debian.org\nhttps://www.debian.org/lts/security/ \nOctober 07, 2020 https://wiki.debian.org/LTS\n- -------------------------------------------------------------------------\n\nPackage : sane-backends\nVersion : 1.0.25-4.1+deb9u2\nCVE ID : CVE-2020-12862 CVE-2020-12863 CVE-2020-12865 CVE-2020-12867\nDebian Bug : 961302\n\nA regression was introduced in DLA-2332-1, where changes in the Debian\npackage building process triggered a bug in the sane-backends\npackages, causing missing files.\n\nFor Debian 9 stretch, this problem has been fixed in version\n1.0.25-4.1+deb9u2.\n\nWe recommend that you upgrade your sane-backends packages.\n\nFor the detailed security status of sane-backends please refer to\nits security tracker page at:\nhttps://security-tracker.debian.org/tracker/sane-backends\n\nFurther information about Debian LTS security advisories, 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The SANE application programming interface (API) provides standardized access to any raster image scanner hardware (for example, flatbed scanners, hand-held scanners, video and still cameras, and frame-grabbers).\n\nSecurity Fix(es):\n\n* sane-backends: NULL pointer dereference in sanei_epson_net_read function (CVE-2020-12867)\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\nAdditional Changes:\n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from 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": "2021-05-18T05:58:46", "type": "almalinux", "title": "Moderate: sane-backends security update", "bulletinFamily": "unix", "cvss2": {"severity": "LOW", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 2.1, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-12867"], "modified": "2021-05-18T05:58:33", "id": "ALSA-2021:1744", "href": "https://errata.almalinux.org/8/ALSA-2021-1744.html", "cvss": {"score": 2.1, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:P"}}], "ubuntucve": [{"lastseen": "2023-06-07T13:55:40", "description": "A NULL pointer dereference in sanei_epson_net_read in SANE Backends before\n1.0.30 allows a malicious device connected to the same local network as the\nvictim to cause a denial of service, aka GHSL-2020-075.\n\n#### Bugs\n\n * <https://gitlab.com/sane-project/backends/-/issues/279>\n * <https://gitlab.com/sane-project/backends/-/issues/279#issue-1-ghsl-2020-075-null-pointer-dereference-in-sanei_epson_net_read>\n * <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=961302>\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": "2020-06-01T00:00:00", "type": "ubuntucve", "title": "CVE-2020-12867", "bulletinFamily": "info", "cvss2": {"severity": "LOW", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 2.1, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-12867"], "modified": "2020-06-01T00:00:00", "id": "UB:CVE-2020-12867", "href": "https://ubuntu.com/security/CVE-2020-12867", "cvss": {"score": 2.1, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:P"}}], "alpinelinux": [{"lastseen": "2023-06-10T07:04:43", "description": "A NULL pointer dereference in sanei_epson_net_read in SANE Backends before 1.0.30 allows a malicious device connected to the same local network as the victim to cause a denial of service, aka GHSL-2020-075.", "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": "2023-06-10T07:04:06", "type": "alpinelinux", "title": "CVE-2020-12867", "bulletinFamily": "unix", "cvss2": {"severity": "LOW", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 2.1, "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-12867"], "modified": "2023-06-10T07:04:06", "id": "ALPINE:CVE-2020-12867", "href": "https://security.alpinelinux.org/vuln/CVE-2020-12867", "cvss": {"score": 2.1, "vector": "AV:L/AC:L/Au:N/C:N/I:N/A:P"}}], "suse": [{"lastseen": "2022-04-18T12:40:55", "description": "An update that fixes 7 vulnerabilities is now available.\n\nDescription:\n\n This update for sane-backends fixes the following issues:\n\n sane-backends was updated to 1.0.31 to further improve hardware enablement\n for scanner devices (jsc#ECO-2418 jsc#SLE-15561 jsc#SLE-15560) and also\n fix various security issues:\n\n - CVE-2020-12861,CVE-2020-12865: Fixed an out of bounds write (bsc#1172524)\n - CVE-2020-12862,CVE-2020-12863,CVE-2020-12864,: Fixed an out of bounds\n read (bsc#1172524)\n - CVE-2020-12866,CVE-2020-12867: Fixed a null pointer dereference\n (bsc#1172524)\n\n The upstream changelogs can be found here:\n\n - https://gitlab.com/sane-project/backends/-/releases/1.0.28\n - https://gitlab.com/sane-project/backends/-/releases/1.0.29\n - https://gitlab.com/sane-project/backends/-/releases/1.0.30\n - https://gitlab.com/sane-project/backends/-/releases/1.0.31\n\n This update was imported from the SUSE:SLE-15:Update update project.\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 15.2:\n\n zypper in -t patch openSUSE-2020-1798=1", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2020-11-01T00:00:00", "type": "suse", "title": "Security update for sane-backends (important)", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 5.5, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.9, "vectorString": "AV:A/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-12861", "CVE-2020-12862", "CVE-2020-12863", "CVE-2020-12864", "CVE-2020-12865", "CVE-2020-12866", "CVE-2020-12867"], "modified": "2020-11-01T00:00:00", "id": "OPENSUSE-SU-2020:1798-1", "href": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/P7WMIMV37TSUISYMGUPUUTKOLGSMIONS/", "cvss": {"score": 7.9, "vector": "AV:A/AC:M/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2022-11-06T17:59:08", "description": "An update that fixes 7 vulnerabilities is now available.\n\nDescription:\n\n This update for sane-backends fixes the following issues:\n\n sane-backends was updated to 1.0.31 to further improve hardware enablement\n for scanner devices (jsc#ECO-2418 jsc#SLE-15561 jsc#SLE-15560) and also\n fix various security issues:\n\n - CVE-2020-12861,CVE-2020-12865: Fixed an out of bounds write (bsc#1172524)\n - CVE-2020-12862,CVE-2020-12863,CVE-2020-12864,: Fixed an out of bounds\n read (bsc#1172524)\n - CVE-2020-12866,CVE-2020-12867: Fixed a null pointer dereference\n (bsc#1172524)\n\n The upstream changelogs can be found here:\n\n - https://gitlab.com/sane-project/backends/-/releases/1.0.28\n - https://gitlab.com/sane-project/backends/-/releases/1.0.29\n - https://gitlab.com/sane-project/backends/-/releases/1.0.30\n - https://gitlab.com/sane-project/backends/-/releases/1.0.31\n\n This update was imported from the SUSE:SLE-15:Update update project.\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 15.1:\n\n zypper in -t patch openSUSE-2020-1791=1", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2020-10-31T00:00:00", "type": "suse", "title": "Security update for sane-backends (important)", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 5.5, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.9, "vectorString": "AV:A/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-12861", "CVE-2020-12862", "CVE-2020-12863", "CVE-2020-12864", "CVE-2020-12865", "CVE-2020-12866", "CVE-2020-12867"], "modified": "2020-10-31T00:00:00", "id": "OPENSUSE-SU-2020:1791-1", "href": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/3U4WY4I4GUOHWAMZSZJUGHR637TI46UN/", "cvss": {"score": 7.9, "vector": "AV:A/AC:M/Au:N/C:C/I:C/A:C"}}], "mageia": [{"lastseen": "2023-06-06T16:28:09", "description": "A heap buffer overflow in SANE Backends before 1.0.30 allows a malicious device connected to the same local network as the victim to execute arbitrary code, aka GHSL-2020-080. (CVE-2020-12861) An out-of-bounds read in SANE Backends before 1.0.30 may allow a malicious device connected to the same local network as the victim to read important information, such as the ASLR offsets of the program, aka GHSL-2020-082. (CVE-2020-12862) An out-of-bounds read in SANE Backends before 1.0.30 may allow a malicious device connected to the same local network as the victim to read important information, such as the ASLR offsets of the program, aka GHSL-2020-083. (CVE-2020-12863) An out-of-bounds read in SANE Backends before 1.0.30 may allow a malicious device connected to the same local network as the victim to read important information, such as the ASLR offsets of the program, aka GHSL-2020-081. (CVE-2020-12864) A heap buffer overflow in SANE Backends before 1.0.30 may allow a malicious device connected to the same local network as the victim to execute arbitrary code, aka GHSL-2020-084. (CVE-2020-12865) A NULL pointer dereference in SANE Backends before 1.0.30 allows a malicious device connected to the same local network as the victim to cause a denial of service, GHSL-2020-079. (CVE-2020-12866) A NULL pointer dereference in sanei_epson_net_read in SANE Backends before 1.0.30 allows a malicious device connected to the same local network as the victim to cause a denial of service, aka GHSL-2020-075. (CVE-2020-12867) \n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2020-09-04T09:16:18", "type": "mageia", "title": "Updated sane packages fix security vulnerabilities\n", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 5.5, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.9, "vectorString": "AV:A/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-12861", "CVE-2020-12862", "CVE-2020-12863", "CVE-2020-12864", "CVE-2020-12865", "CVE-2020-12866", "CVE-2020-12867"], "modified": "2020-09-04T09:16:18", "id": "MGASA-2020-0360", "href": "https://advisories.mageia.org/MGASA-2020-0360.html", "cvss": {"score": 7.9, "vector": "AV:A/AC:M/Au:N/C:C/I:C/A:C"}}], "slackware": [{"lastseen": "2023-06-06T15:12:03", "description": "New sane packages are available for Slackware 14.0, 14.1, 14.2, and -current to\nfix security issues.\n\n\nHere are the details from the Slackware 14.2 ChangeLog:\n\npatches/packages/sane-1.0.30-i586-1_slack14.2.txz: Upgraded.\n This update fixes several security issues.\n For more information, see:\n https://vulners.com/cve/CVE-2020-12867\n https://vulners.com/cve/CVE-2020-12862\n https://vulners.com/cve/CVE-2020-12863\n https://vulners.com/cve/CVE-2020-12865\n https://vulners.com/cve/CVE-2020-12866\n https://vulners.com/cve/CVE-2020-12861\n https://vulners.com/cve/CVE-2020-12864\n (* Security fix *)\n\nWhere to find the new packages:\n\nThanks to the friendly folks at the OSU Open Source Lab\n(http://osuosl.org) for donating FTP and rsync hosting\nto the Slackware project! :-)\n\nAlso see the \"Get Slack\" section on http://slackware.com for\nadditional mirror sites near you.\n\nUpdated package for Slackware 14.0:\nftp://ftp.slackware.com/pub/slackware/slackware-14.0/patches/packages/sane-1.0.30-i486-1_slack14.0.txz\n\nUpdated package for Slackware x86_64 14.0:\nftp://ftp.slackware.com/pub/slackware/slackware64-14.0/patches/packages/sane-1.0.30-x86_64-1_slack14.0.txz\n\nUpdated package for Slackware 14.1:\nftp://ftp.slackware.com/pub/slackware/slackware-14.1/patches/packages/sane-1.0.30-i486-1_slack14.1.txz\n\nUpdated package for Slackware x86_64 14.1:\nftp://ftp.slackware.com/pub/slackware/slackware64-14.1/patches/packages/sane-1.0.30-x86_64-1_slack14.1.txz\n\nUpdated package for Slackware 14.2:\nftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/sane-1.0.30-i586-1_slack14.2.txz\n\nUpdated package for Slackware x86_64 14.2:\nftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/sane-1.0.30-x86_64-1_slack14.2.txz\n\nUpdated package for Slackware -current:\nftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/xap/sane-1.0.30-i586-1.txz\n\nUpdated package for Slackware x86_64 -current:\nftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/xap/sane-1.0.30-x86_64-1.txz\n\n\nMD5 signatures:\n\nSlackware 14.0 package:\n8e2b9535b272b8b4aacaa4fa1e95280e sane-1.0.30-i486-1_slack14.0.txz\n\nSlackware x86_64 14.0 package:\naf055a3f9bdbf99f97ad3339d6368486 sane-1.0.30-x86_64-1_slack14.0.txz\n\nSlackware 14.1 package:\n1a60a73aa33fcad3fcabd88b4661dbee sane-1.0.30-i486-1_slack14.1.txz\n\nSlackware x86_64 14.1 package:\n7b41b1f224a2646897d6b4397e5fbb79 sane-1.0.30-x86_64-1_slack14.1.txz\n\nSlackware 14.2 package:\n170980a11078f5b3919e73191d29c776 sane-1.0.30-i586-1_slack14.2.txz\n\nSlackware x86_64 14.2 package:\n24e8de4fde8bb27e8f8a162e897417ef sane-1.0.30-x86_64-1_slack14.2.txz\n\nSlackware -current package:\n51ae0f62efa291ef47870410a66ee570 xap/sane-1.0.30-i586-1.txz\n\nSlackware x86_64 -current package:\n0bad279809bfc8fe2d7d1cec008287f3 xap/sane-1.0.30-x86_64-1.txz\n\n\nInstallation instructions:\n\nUpgrade the package as root:\n > upgradepkg sane-1.0.30-i586-1_slack14.2.txz", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2020-05-18T19:57:23", "type": "slackware", "title": "[slackware-security] sane", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 5.5, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.9, "vectorString": "AV:A/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-12861", "CVE-2020-12862", "CVE-2020-12863", "CVE-2020-12864", "CVE-2020-12865", "CVE-2020-12866", "CVE-2020-12867"], "modified": "2020-05-18T19:57:23", "id": "SSA-2020-139-01", "href": "http://www.slackware.com/security/viewer.php?l=slackware-security&y=2020&m=slackware-security.442630", "cvss": {"score": 7.9, "vector": "AV:A/AC:M/Au:N/C:C/I:C/A:C"}}], "freebsd": [{"lastseen": "2023-06-06T15:28:27", "description": "\n\nThe Sane Project reports:\n\nepson2: fixes CVE-2020-12867 (GHSL-2020-075) and several memory management issues found while addressing that CVE\nepsonds: addresses out-of-bound memory access issues to fix CVE-2020-12862 (GHSL-2020-082) and CVE-2020-12863 (GHSL-2020-083), addresses a buffer overflow fixing CVE-2020-12865 (GHSL-2020-084) and disables network autodiscovery to mitigate CVE-2020-12866 (GHSL-2020-079), CVE-2020-12861 (GHSL-2020-080) and CVE-2020-12864 (GHSL-2020-081). Note that this backend does not support network scanners to begin with.\nmagicolor: fixes a floating point exception and uninitialized data read\nfixes an overflow in sanei_tcp_read()\n\n\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2020-05-17T00:00:00", "type": "freebsd", "title": "Sane -- Multiple Vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 5.5, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.9, "vectorString": "AV:A/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-12861", "CVE-2020-12862", "CVE-2020-12863", "CVE-2020-12864", "CVE-2020-12865", "CVE-2020-12866", "CVE-2020-12867"], "modified": "2020-05-17T00:00:00", "id": "28481349-7E20-4F80-AE1E-E6BF48D4F17C", "href": "https://vuxml.freebsd.org/freebsd/28481349-7e20-4f80-ae1e-e6bf48d4f17c.html", "cvss": {"score": 7.9, "vector": "AV:A/AC:M/Au:N/C:C/I:C/A:C"}}], "ubuntu": [{"lastseen": "2023-06-06T15:45:14", "description": "## Releases\n\n * Ubuntu 20.04 LTS\n * Ubuntu 18.04 ESM\n * Ubuntu 16.04 ESM\n\n## Packages\n\n * sane-backends \\- None\n\nKritphong Mongkhonvanit discovered that sane-backends incorrectly handled \ncertain packets. A remote attacker could possibly use this issue to obtain \nsensitive memory information. This issue only affected Ubuntu 16.04 LTS. \n(CVE-2017-6318)\n\nIt was discovered that sane-backends incorrectly handled certain memory \noperations. A remote attacker could possibly use this issue to execute \narbitrary code. This issue only applied to Ubuntu 18.04 LTS and Ubuntu \n20.04 LTS. (CVE-2020-12861)\n\nIt was discovered that sane-backends incorrectly handled certain memory \noperations. A remote attacker could possibly use this issue to obtain \nsensitive information. (CVE-2020-12862, CVE-2020-12863)\n\nIt was discovered that sane-backends incorrectly handled certain memory \noperations. A remote attacker could possibly use this issue to obtain \nsensitive information. This issue only applied to Ubuntu 18.04 LTS and \nUbuntu 20.04 LTS. (CVE-2020-12864)\n\nIt was discovered that sane-backends incorrectly handled certain memory \noperations. A remote attacker could possibly use this issue to execute \narbitrary code. (CVE-2020-12865)\n\nIt was discovered that sane-backends incorrectly handled certain memory \noperations. A remote attacker could possibly use this issue to cause a \ndenial of service. This issue only applied to Ubuntu 18.04 LTS and Ubuntu \n20.04 LTS. (CVE-2020-12866)\n\nIt was discovered that sane-backends incorrectly handled certain memory \noperations. A remote attacker could possibly use this issue to cause a \ndenial of service. (CVE-2020-12867)\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2020-08-24T00:00:00", "type": "ubuntu", "title": "sane-backends vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 5.5, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.9, "vectorString": "AV:A/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2017-6318", "CVE-2020-12861", "CVE-2020-12862", "CVE-2020-12863", "CVE-2020-12864", "CVE-2020-12865", "CVE-2020-12866", "CVE-2020-12867"], "modified": "2020-08-24T00:00:00", "id": "USN-4470-1", "href": "https://ubuntu.com/security/notices/USN-4470-1", "cvss": {"score": 7.9, "vector": "AV:A/AC:M/Au:N/C:C/I:C/A:C"}}]}
CVE-2020-12867
