nokogiri is vulnerable to denial of service (DoS) attacks. The library uses a vulnerable version of libxml2, causing it to be vulnerable to the following CVEs: 1\. CVE-2016-9318: XML External Entity (XXE) through a crafted document. 2\. CVE-2017-16932: Infinite Recursion during parsing. 3\. CVE-2017-18258: Denial of Service (DoS) through a crafted LZMA file. 4\. CVE-2018-14404: Null Pointer Dereference when accessing XSL input. 5\. CVE-2018-14567: Infinite Loop during LZMA decompression.
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This issue is rated as High due to the possibility of remote code execution in an application that uses this library. Product: Android. Versions: 4.4.4, 5.0.2, 5.1.1, 6.0, 6.0.1, 7.0, 7.1.1, 7.1.2. Android ID: A-37104170.(CVE-2017-0663)\n\nlibxml2 2.9.8, if --with-lzma is used, allows remote attackers to cause a denial of service (infinite loop) via a crafted XML file that triggers LZMA_MEMLIMIT_ERROR, as demonstrated by xmllint, a different vulnerability than CVE-2015-8035 and CVE-2018-9251.(CVE-2018-14567)\n\nThe htmlParseTryOrFinish function in HTMLparser.c in libxml2 2.9.4 allows attackers to cause a denial of service (buffer over-read) or information disclosure.(CVE-2017-8872)\n\nlibxml2 20904-GITv2.9.4-16-g0741801 is vulnerable to a stack-based buffer overflow. The function xmlSnprintfElementContent in valid.c is supposed to recursively dump the element content definition into a char buffer 'buf' of size 'size'. At the end of the routine, the function may strcat two more characters without checking whether the current strlen(buf) + 2 size. This vulnerability causes programs that use libxml2, such as PHP, to crash.(CVE-2017-9048)\n\nThe xz_decomp function in xzlib.c in libxml2 2.9.1 does not properly detect compression errors, which allows context-dependent attackers to cause a denial of service (process hang) via crafted XML data.(CVE-2015-8035)\n\nThe xz_head function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial of service (memory consumption) via a crafted LZMA file, because the decoder functionality does not restrict memory usage to what is required for a legitimate file.(CVE-2017-18258)\n\n** DISPUTED ** libxml2 2.9.4, when used in recover mode, allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted XML document. 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This issue is rated as High due to the possibility of remote code execution in an application that uses this library. Product: Android. Versions: 4.4.4, 5.0.2, 5.1.1, 6.0, 6.0.1, 7.0, 7.1.1, 7.1.2. 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This issue is rated as High due to the possibility of remote code execution in an application that uses this library. Product: Android. Versions: 4.4.4, 5.0.2, 5.1.1, 6.0, 6.0.1, 7.0, 7.1.1, 7.1.2. 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(CVE-2017-16932)\n\nIt was discovered that libxml2 incorrectly handled certain files. \nAn attacker could possibly use this issue to cause a denial of service. \n(CVE-2017-18258, CVE-2018-14404, CVE-2018-14567)\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2018-08-14T00:00:00", "type": "ubuntu", "title": "libxml2 vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": true, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-9318", "CVE-2017-16932", "CVE-2017-18258", "CVE-2018-14404", "CVE-2018-14567"], "modified": "2018-08-14T00:00:00", "id": "USN-3739-1", "href": "https://ubuntu.com/security/notices/USN-3739-1", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2023-06-23T15:49:38", "description": "## Releases\n\n * Ubuntu 12.04 \n\n## Packages\n\n * libxml2 \\- GNOME XML library\n\nUSN-3739-1 fixed a vulnerability in libxml2. 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An attacker could use this issue with specially constructed XML \ndata to cause libxml2 to consume resources, leading to a denial of service.\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2017-12-05T00:00:00", "type": "ubuntu", "title": "libxml2 vulnerability", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": true, "obtainUserPrivilege": false}, "cvelist": ["CVE-2017-16932"], "modified": "2017-12-05T00:00:00", "id": "USN-3504-1", "href": "https://ubuntu.com/security/notices/USN-3504-1", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2023-06-23T15:52:48", "description": "## Releases\n\n * Ubuntu 12.04 \n\n## Packages\n\n * libxml2 \\- GNOME XML library\n\nUSN-3504-1 fixed a vulnerability in libxml2. This update provides \nthe corresponding update for Ubuntu 12.04 ESM.\n\nOriginal advisory details:\n\nWei Lei discovered that libxml2 incorrecty handled certain parameter \nentities. An attacker could use this issue with specially constructed XML \ndata to cause libxml2 to consume resources, leading to a denial of service.\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2017-12-05T00:00:00", "type": "ubuntu", "title": "libxml2 vulnerability", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": true, "obtainUserPrivilege": false}, "cvelist": ["CVE-2017-16932"], "modified": "2017-12-05T00:00:00", "id": "USN-3504-2", "href": "https://ubuntu.com/security/notices/USN-3504-2", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}], "cloudfoundry": [{"lastseen": "2023-06-23T15:16:00", "description": "# \n\n# Severity\n\nMedium\n\n# Vendor\n\nCanonical Ubuntu\n\n# Versions Affected\n\n * Canonical Ubuntu 14.04\n * Canonical Ubuntu 16.04\n * Canonical Ubuntu 18.04\n\n# Description\n\nMatias Brutti discovered that libxml2 incorrectly handled certain XML files. An attacker could possibly use this issue to expose sensitive information. (CVE-2016-9318)\n\nIt was discovered that libxml2 incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS. (CVE-2017-16932)\n\nIt was discovered that libxml2 incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service. (CVE-2017-18258, CVE-2018-14404, CVE-2018-14567)\n\n# Affected Cloud Foundry Products and Versions\n\n_Severity is medium unless otherwise noted._\n\n * Cloud Foundry BOSH trusty-stemcells are vulnerable, including: \n * 3363.x versions prior to 3363.72\n * 3421.x versions prior to 3421.79\n * 3445.x versions prior to 3445.64\n * 3468.x versions prior to 3468.64\n * 3541.x versions prior to 3541.44\n * 3586.x versions prior to 3586.36\n * All other stemcells not listed.\n * Cloud Foundry BOSH xenial-stemcells are vulnerable, including: \n * 97.x versions prior to 97.12\n * All other stemcells not listed.\n * All versions of Cloud Foundry cflinuxfs2 prior to 1.230.0\n * All versions of Cloud Foundry cflinuxfs3 prior to 0.10.0\n\n# Mitigation\n\nOSS users are strongly encouraged to follow one of the mitigations below:\n\n * The Cloud Foundry project recommends upgrading the following BOSH trusty-stemcells: \n * Upgrade 3363.x versions to 3363.72\n * Upgrade 3421.x versions to 3421.79\n * Upgrade 3445.x versions to 3445.64\n * Upgrade 3468.x versions to 3468.64\n * Upgrade 3541.x versions to 3541.44\n * Upgrade 3586.x versions to 3586.36\n * All other stemcells should be upgraded to the latest version available on [bosh.io](<https://bosh.io/stemcells/#ubuntu-trusty>).\n * The Cloud Foundry project recommends upgrading the following BOSH xenial-stemcells: \n * Upgrade 97.x versions to 97.12\n * All other stemcells should be upgraded to the latest version available on [bosh.io](<https://bosh.io/stemcells/#ubuntu-xenial>).\n * The Cloud Foundry project recommends that Cloud Foundry deployments run with cflinuxfs2 version 1.230.0 or later.\n * The Cloud Foundry project recommends that Cloud Foundry deployments run with cflinuxfs3 version 0.10.0 or later.\n\n# References\n\n * [USN-3739-1](<https://usn.ubuntu.com/3739-1>)\n * [CVE-2016-9318](<https://people.canonical.com/~ubuntu-security/cve/CVE-2016-9318>)\n * [CVE-2017-16932](<https://people.canonical.com/~ubuntu-security/cve/CVE-2017-16932>)\n * [CVE-2017-18258](<https://people.canonical.com/~ubuntu-security/cve/CVE-2017-18258>)\n * [CVE-2018-14404](<https://people.canonical.com/~ubuntu-security/cve/CVE-2018-14404>)\n * [CVE-2018-14567](<https://people.canonical.com/~ubuntu-security/cve/CVE-2018-14567>)\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2018-09-11T00:00:00", "type": "cloudfoundry", "title": "USN-3739-1: libxml2 vulnerabilities | Cloud Foundry", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": true, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-9318", "CVE-2017-16932", "CVE-2017-18258", "CVE-2018-14404", "CVE-2018-14567"], "modified": "2018-09-11T00:00:00", "id": "CFOUNDRY:534706586AA8B2BA233C6A2A618BD6A0", "href": "https://www.cloudfoundry.org/blog/usn-3739-1/", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2023-06-23T15:19:21", "description": "# \n\n# Severity\n\nMedium\n\n# Vendor\n\nCanonical Ubuntu\n\n# Versions Affected\n\n * Canonical Ubuntu 14.04\n\n# Description\n\nWei Lei discovered that libxml2 incorrecty handled certain parameter entities. An attacker could use this issue with specially constructed XML data to cause libxml2 to consume resources, leading to a denial of service.\n\n# Affected Cloud Foundry Products and Versions\n\n_Severity is medium unless otherwise noted._\n\n * Cloud Foundry BOSH stemcells are vulnerable, including: \n * 3421.x versions prior to 3421.34\n * 3445.x versions prior to 3445.19\n * 3468.x versions prior to 3468.13\n * All other stemcells not listed.\n * All versions of Cloud Foundry cflinuxfs2 prior to 1.173.0\n\n# Mitigation\n\nOSS users are strongly encouraged to follow one of the mitigations below:\n\n * The Cloud Foundry project recommends upgrading the following BOSH stemcells: \n * Upgrade 3421.x versions prior to 3421.34\n * Upgrade 3445.x versions prior to 3445.19\n * Upgrade 3468.x versions prior to 3468.13\n * All other stemcells should be upgraded to the latest version available on [bosh.io](<https://bosh.io>).\n * The Cloud Foundry project recommends that Cloud Foundry deployments run with cflinuxfs2 version 1.173.0 or later.\n\n# References\n\n * [USN-3504-1](<http://www.ubuntu.com/usn/usn-3504-1/>)\n * [CVE-2017-16932](<http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-16932>)\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2017-12-14T00:00:00", "type": "cloudfoundry", "title": "USN-3504-1: libxml2 vulnerability | Cloud Foundry", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": true, "obtainUserPrivilege": false}, "cvelist": ["CVE-2017-16932"], "modified": "2017-12-14T00:00:00", "id": "CFOUNDRY:C0E674F38966607B2B6B03C0AB944275", "href": "https://www.cloudfoundry.org/blog/usn-3504-1/", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}], "debian": [{"lastseen": "2022-01-22T17:00:16", "description": "Package : libxml2\nVersion : 2.9.1+dfsg1-5+deb8u7\nCVE ID : CVE-2017-18258 CVE-2018-9251 CVE-2018-14404\n CVE-2018-14567\n\n\nCVE-2018-14404\n Fix of a NULL pointer dereference which might result in a crash and\n thus in a denial of service.\n\nCVE-2018-14567 and CVE-2018-9251\n Approvement in LZMA error handling which prevents an infinite loop.\n\nCVE-2017-18258\n Limit available memory to 100MB to avoid exhaustive memory\n consumption by malicious files.\n\n\nFor Debian 8 "Jessie", these problems have been fixed in version\n2.9.1+dfsg1-5+deb8u7.\n\nWe recommend that you upgrade your libxml2 packages.\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": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "baseScore": 7.5, "privilegesRequired": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "userInteraction": "NONE", "version": "3.0"}, "impactScore": 3.6}, "published": "2018-09-27T20:04:03", "type": "debian", "title": "[SECURITY] [DLA 1524-1] libxml2 security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": true, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2017-18258", "CVE-2018-14404", "CVE-2018-14567", "CVE-2018-9251"], "modified": "2018-09-27T20:04:03", "id": "DEBIAN:DLA-1524-1:818AD", "href": "https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2021-10-22T11:01:23", "description": "- -------------------------------------------------------------------------\nDebian LTS Advisory DLA-2369-1 debian-lts@lists.debian.org\nhttps://www.debian.org/lts/security/ Markus Koschany\nSeptember 09, 2020 https://wiki.debian.org/LTS\n- -------------------------------------------------------------------------\n\nPackage : libxml2\nVersion : 2.9.4+dfsg1-2.2+deb9u3\nCVE ID : CVE-2017-8872 CVE-2017-18258 CVE-2018-14404\n CVE-2018-14567 CVE-2019-19956 CVE-2019-20388\n CVE-2020-7595 CVE-2020-24977\nDebian Bug : 895245 862450 949583 969529 949582\n\nSeveral security vulnerabilities were corrected in libxml2, the GNOME\nXML library.\n\nCVE-2017-8872\n\n Global buffer-overflow in the htmlParseTryOrFinish function.\n\nCVE-2017-18258\n\n The xz_head function in libxml2 allows remote attackers to cause a\n denial of service (memory consumption) via a crafted LZMA file,\n because the decoder functionality does not restrict memory usage to\n what is required for a legitimate file.\n\nCVE-2018-14404\n\n A NULL pointer dereference vulnerability exists in the\n xpath.c:xmlXPathCompOpEval() function of libxml2 when parsing an\n invalid XPath expression in the XPATH_OP_AND or XPATH_OP_OR case.\n Applications processing untrusted XSL format inputs may be\n vulnerable to a denial of service attack.\n\nCVE-2018-14567\n\n If the option --with-lzma is used, allows remote attackers to cause\n a denial of service (infinite loop) via a crafted XML file.\n\nCVE-2019-19956\n\n The xmlParseBalancedChunkMemoryRecover function has a memory leak\n related to newDoc->oldNs.\n\nCVE-2019-20388\n\n A memory leak was found in the xmlSchemaValidateStream function of\n libxml2. Applications that use this library may be vulnerable to\n memory not being freed leading to a denial of service.\n\nCVE-2020-7595\n\n Infinite loop in xmlStringLenDecodeEntities can cause a denial of\n service.\n\nCVE-2020-24977\n\n Out-of-bounds read restricted to xmllint --htmlout.\n\nFor Debian 9 stretch, these problems have been fixed in version\n2.9.4+dfsg1-2.2+deb9u3.\n\nWe recommend that you upgrade your libxml2 packages.\n\nFor the detailed security status of libxml2 please refer to\nits security tracker page at:\nhttps://security-tracker.debian.org/tracker/libxml2\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": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "baseScore": 9.1, "privilegesRequired": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "userInteraction": "NONE", "version": "3.0"}, "impactScore": 5.2}, "published": "2020-09-09T22:41:50", "type": "debian", "title": "[SECURITY] [DLA 2369-1] libxml2 security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 6.4, "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2017-18258", "CVE-2017-8872", "CVE-2018-14404", "CVE-2018-14567", "CVE-2019-19956", "CVE-2019-20388", "CVE-2020-24977", "CVE-2020-7595"], "modified": "2020-09-09T22:41:50", "id": "DEBIAN:DLA-2369-1:46D38", "href": "https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html", "cvss": {"score": 6.4, "vector": "AV:N/AC:L/Au:N/C:P/I:N/A:P"}}, {"lastseen": "2022-01-23T03:57:52", "description": "- -------------------------------------------------------------------------\nDebian LTS Advisory DLA-2369-1 debian-lts@lists.debian.org\nhttps://www.debian.org/lts/security/ Markus Koschany\nSeptember 09, 2020 https://wiki.debian.org/LTS\n- -------------------------------------------------------------------------\n\nPackage : libxml2\nVersion : 2.9.4+dfsg1-2.2+deb9u3\nCVE ID : CVE-2017-8872 CVE-2017-18258 CVE-2018-14404\n CVE-2018-14567 CVE-2019-19956 CVE-2019-20388\n CVE-2020-7595 CVE-2020-24977\nDebian Bug : 895245 862450 949583 969529 949582\n\nSeveral security vulnerabilities were corrected in libxml2, the GNOME\nXML library.\n\nCVE-2017-8872\n\n Global buffer-overflow in the htmlParseTryOrFinish function.\n\nCVE-2017-18258\n\n The xz_head function in libxml2 allows remote attackers to cause a\n denial of service (memory consumption) via a crafted LZMA file,\n because the decoder functionality does not restrict memory usage to\n what is required for a legitimate file.\n\nCVE-2018-14404\n\n A NULL pointer dereference vulnerability exists in the\n xpath.c:xmlXPathCompOpEval() function of libxml2 when parsing an\n invalid XPath expression in the XPATH_OP_AND or XPATH_OP_OR case.\n Applications processing untrusted XSL format inputs may be\n vulnerable to a denial of service attack.\n\nCVE-2018-14567\n\n If the option --with-lzma is used, allows remote attackers to cause\n a denial of service (infinite loop) via a crafted XML file.\n\nCVE-2019-19956\n\n The xmlParseBalancedChunkMemoryRecover function has a memory leak\n related to newDoc->oldNs.\n\nCVE-2019-20388\n\n A memory leak was found in the xmlSchemaValidateStream function of\n libxml2. Applications that use this library may be vulnerable to\n memory not being freed leading to a denial of service.\n\nCVE-2020-7595\n\n Infinite loop in xmlStringLenDecodeEntities can cause a denial of\n service.\n\nCVE-2020-24977\n\n Out-of-bounds read restricted to xmllint --htmlout.\n\nFor Debian 9 stretch, these problems have been fixed in version\n2.9.4+dfsg1-2.2+deb9u3.\n\nWe recommend that you upgrade your libxml2 packages.\n\nFor the detailed security status of libxml2 please refer to\nits security tracker page at:\nhttps://security-tracker.debian.org/tracker/libxml2\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": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "baseScore": 9.1, "privilegesRequired": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "userInteraction": "NONE", "version": "3.0"}, "impactScore": 5.2}, "published": "2020-09-09T22:41:50", "type": "debian", "title": "[SECURITY] [DLA 2369-1] libxml2 security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 6.4, "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2017-18258", "CVE-2017-8872", "CVE-2018-14404", "CVE-2018-14567", "CVE-2019-19956", "CVE-2019-20388", "CVE-2020-24977", "CVE-2020-7595"], "modified": "2020-09-09T22:41:50", "id": "DEBIAN:DLA-2369-1:E14AE", "href": "https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html", "cvss": {"score": 6.4, "vector": "AV:N/AC:L/Au:N/C:P/I:N/A:P"}}, {"lastseen": "2023-05-02T19:39:02", "description": "- -------------------------------------------------------------------------\nDebian LTS Advisory DLA-2972-1 debian-lts@lists.debian.org\nhttps://www.debian.org/lts/security/ Anton Gladky\nApril 08, 2022 https://wiki.debian.org/LTS\n- -------------------------------------------------------------------------\n\nPackage : libxml2\nVersion : 2.9.4+dfsg1-2.2+deb9u6\nCVE ID : CVE-2016-9318 CVE-2017-5130 CVE-2017-5969 CVE-2017-16932\n CVE-2022-23308\n\nFive security issues have been discovered in libxml2: XML C parser and toolkit.\n\nCVE-2016-9318\n\n Vulnerable versions do not offer a flag directly indicating that the current\n document may be read but other files may not be opened, which makes it\n easier for remote attackers to conduct XML External Entity (XXE) attacks via\n a crafted document.\n\n\nCVE-2017-5130\n\n Integer overflow in memory debug code, allowed a remote attacker to\n potentially exploit heap corruption via a crafted XML file.\n\n\nCVE-2017-5969\n\n Parser in a recover mode allows remote attackers to cause a denial of service\n (NULL pointer dereference) via a crafted XML document.\n\n\nCVE-2017-16932\n\n When expanding a parameter entity in a DTD, infinite recursion could lead to\n an infinite loop or memory exhaustion.\n\n\nCVE-2022-23308\n\n the application that validates XML using xmlTextReaderRead() with\n XML_PARSE_DTDATTR and XML_PARSE_DTDVALID enabled becomes vulnerable to this\n use-after-free bug. 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"2022-08-05T05:18:56", "description": "\nSeveral security vulnerabilities were corrected in libxml2, the GNOME\nXML library.\n\n\n* [CVE-2017-8872](https://security-tracker.debian.org/tracker/CVE-2017-8872)\nGlobal buffer-overflow in the htmlParseTryOrFinish function.\n* [CVE-2017-18258](https://security-tracker.debian.org/tracker/CVE-2017-18258)\nThe xz\\_head function in libxml2 allows remote attackers to cause a\n denial of service (memory consumption) via a crafted LZMA file,\n because the decoder functionality does not restrict memory usage to\n what is required for a legitimate file.\n* [CVE-2018-14404](https://security-tracker.debian.org/tracker/CVE-2018-14404)\nA NULL pointer dereference vulnerability exists in the\n xpath.c:xmlXPathCompOpEval() function of libxml2 when parsing an\n invalid XPath expression in the XPATH\\_OP\\_AND or XPATH\\_OP\\_OR case.\n Applications processing untrusted XSL format inputs may be\n vulnerable to a denial of service attack.\n* [CVE-2018-14567](https://security-tracker.debian.org/tracker/CVE-2018-14567)\nIf the option --with-lzma is used, allows remote attackers to cause\n a denial of service (infinite loop) via a crafted XML file.\n* [CVE-2019-19956](https://security-tracker.debian.org/tracker/CVE-2019-19956)\nThe xmlParseBalancedChunkMemoryRecover function has a memory leak\n related to newDoc->oldNs.\n* [CVE-2019-20388](https://security-tracker.debian.org/tracker/CVE-2019-20388)\nA memory leak was found in the xmlSchemaValidateStream function of\n libxml2. Applications that use this library may be vulnerable to\n memory not being freed leading to a denial of service.\n* [CVE-2020-7595](https://security-tracker.debian.org/tracker/CVE-2020-7595)\nInfinite loop in xmlStringLenDecodeEntities can cause a denial of\n service.\n* [CVE-2020-24977](https://security-tracker.debian.org/tracker/CVE-2020-24977)\nOut-of-bounds read restricted to xmllint --htmlout.\n\n\nFor Debian 9 stretch, these problems have been fixed in version\n2.9.4+dfsg1-2.2+deb9u3.\n\n\nWe recommend that you upgrade your libxml2 packages.\n\n\nFor the detailed security status of libxml2 please refer to\nits security tracker page at:\n<https://security-tracker.debian.org/tracker/libxml2>\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", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "baseScore": 9.1, "privilegesRequired": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "userInteraction": "NONE", "version": "3.0"}, "impactScore": 5.2}, "published": "2020-09-10T00:00:00", "type": "osv", "title": "libxml2 - security update", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 6.4, "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-14404", "CVE-2019-20388", "CVE-2018-14567", "CVE-2017-8872", "CVE-2020-7595", "CVE-2019-19956", "CVE-2017-18258", "CVE-2020-24977"], "modified": "2022-08-05T05:18:53", "id": "OSV:DLA-2369-1", "href": "https://osv.dev/vulnerability/DLA-2369-1", "cvss": {"score": 6.4, "vector": "AV:N/AC:L/Au:N/C:P/I:N/A:P"}}, {"lastseen": "2022-08-05T05:19:24", "description": "\nFive security issues have been discovered in libxml2: XML C parser and toolkit.\n\n\n* [CVE-2016-9318](https://security-tracker.debian.org/tracker/CVE-2016-9318)\nVulnerable versions do not offer a flag directly indicating that the current\n document may be read but other files may not be opened, which makes it\n easier for remote attackers to conduct XML External Entity (XXE) attacks via\n a crafted document.\n* [CVE-2017-5130](https://security-tracker.debian.org/tracker/CVE-2017-5130)\nInteger overflow in memory debug code, allowed a remote attacker to\n potentially exploit heap corruption via a crafted XML file.\n* [CVE-2017-5969](https://security-tracker.debian.org/tracker/CVE-2017-5969)\nParser in a recover mode allows remote attackers to cause a denial of service\n (NULL pointer dereference) via a crafted XML document.\n* [CVE-2017-16932](https://security-tracker.debian.org/tracker/CVE-2017-16932)\nWhen expanding a parameter entity in a DTD, infinite recursion could lead to\n an infinite loop or memory exhaustion.\n* [CVE-2022-23308](https://security-tracker.debian.org/tracker/CVE-2022-23308)\nthe application that validates XML using xmlTextReaderRead() with\n XML\\_PARSE\\_DTDATTR and XML\\_PARSE\\_DTDVALID enabled becomes vulnerable to this\n use-after-free bug. This issue can result in denial of service.\n\n\nFor Debian 9 stretch, these problems have been fixed in version\n2.9.4+dfsg1-2.2+deb9u6.\n\n\nWe recommend that you upgrade your libxml2 packages.\n\n\nFor the detailed security status of libxml2 please refer to\nits security tracker page at:\n<https://security-tracker.debian.org/tracker/libxml2>\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", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 8.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "userInteraction": "REQUIRED", "version": "3.0"}, "impactScore": 5.9}, "published": "2022-04-08T00:00:00", "type": "osv", "title": "libxml2 - security update", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 6.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2017-5969", "CVE-2016-9318", "CVE-2022-23308", "CVE-2017-16932", "CVE-2017-5130"], "modified": "2022-08-05T05:19:20", "id": "OSV:DLA-2972-1", "href": "https://osv.dev/vulnerability/DLA-2972-1", "cvss": {"score": 6.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-05-13T05:15:49", "description": "The xz_head function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial of service (memory consumption) via a crafted LZMA file, because the decoder functionality does not restrict memory usage to what is required for a legitimate file.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 6.5, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.0", "userInteraction": "REQUIRED"}, "impactScore": 3.6}, "published": "2018-04-13T16:17:46", "type": "osv", "title": "Uncontrolled resource consumption in nokogiri", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2017-18258"], "modified": "2023-05-13T05:15:45", "id": "OSV:GHSA-882P-JQGM-F45G", "href": "https://osv.dev/vulnerability/GHSA-882p-jqgm-f45g", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2023-06-09T23:15:53", "description": "parser.c in libxml2 before 2.9.5 does not prevent infinite recursion in parameter entities.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-05-13T01:02:39", "type": "osv", "title": "Nokogiri gem, via libxml, is affected by DoS vulnerabilities", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": true, "obtainUserPrivilege": false}, "cvelist": ["CVE-2017-16932"], "modified": "2023-06-09T23:15:50", "id": "OSV:GHSA-X2FM-93WW-GGVX", "href": "https://osv.dev/vulnerability/GHSA-x2fm-93ww-ggvx", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2023-08-26T00:17:18", "description": "A NULL pointer dereference vulnerability exists in the `xpath.c:xmlXPathCompOpEval()` function of libxml2 through 2.9.8 when parsing an invalid XPath expression in the `XPATH_OP_AND` or `XPATH_OP_OR` case. Applications processing untrusted XSL format inputs with the use of the libxml2 library may be vulnerable to a denial of service attack due to a crash of the application.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2019-01-17T14:05:03", "type": "osv", "title": "Nokogiri NULL Pointer Dereference", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": true, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-14404"], "modified": "2023-08-26T00:15:52", "id": "OSV:GHSA-6QVP-R6R3-9P7H", "href": "https://osv.dev/vulnerability/GHSA-6qvp-r6r3-9p7h", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2023-06-28T06:20:34", "description": "\n* [CVE-2017-16931](https://security-tracker.debian.org/tracker/CVE-2017-16931)\nparser.c in libxml2 before 2.9.5 mishandles parameter-entity\n references because the NEXTL macro calls the\n xmlParserHandlePEReference function in the case of a '%' character\n in a DTD name.\n* [CVE-2017-16932](https://security-tracker.debian.org/tracker/CVE-2017-16932)\nparser.c in libxml2 before 2.9.5 does not prevent infinite\n recursion in parameter entities.\n\n\nFor Debian 7 Wheezy, these problems have been fixed in version\n2.8.0+dfsg1-7+wheezy11.\n\n\nWe recommend that you upgrade your libxml2 packages.\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", "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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2017-11-30T00:00:00", "type": "osv", "title": "libxml2 - security update", "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": true, "obtainUserPrivilege": false}, "cvelist": ["CVE-2017-16931", "CVE-2017-16932"], "modified": "2023-06-28T06:20:28", "id": "OSV:DLA-1194-1", "href": "https://osv.dev/vulnerability/DLA-1194-1", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "suse": [{"lastseen": "2018-10-12T14:30:05", "description": "This update for libxml2 fixes the following security issues:\n\n - CVE-2018-9251: The xz_decomp function allowed remote attackers to cause\n a denial of service (infinite loop) via a crafted XML file that triggers\n LZMA_MEMLIMIT_ERROR, as demonstrated by xmllint (bsc#1088279).\n - CVE-2018-14567: Prevent denial of service (infinite loop) via a crafted\n XML file that triggers LZMA_MEMLIMIT_ERROR, as demonstrated by xmllint\n (bsc#1105166).\n - CVE-2018-14404: Prevent NULL pointer dereference in the\n xmlXPathCompOpEval() function when parsing an invalid XPath expression\n in the XPATH_OP_AND or XPATH_OP_OR case leading to a denial of service\n attack (bsc#1102046).\n - CVE-2017-18258: The xz_head function allowed remote attackers to cause a\n denial of service (memory consumption) via a crafted LZMA file, because\n the decoder functionality did not restrict memory usage to what is\n required for a legitimate file (bsc#1088601).\n\n This update was imported from the SUSE:SLE-12-SP2:Update update project.\n\n", "cvss3": {}, "published": "2018-10-12T12:10:07", "type": "suse", "title": "Security update for libxml2 (moderate)", "bulletinFamily": "unix", "cvss2": {}, "cvelist": ["CVE-2018-14404", "CVE-2018-14567", "CVE-2018-9251", "CVE-2017-18258"], "modified": "2018-10-12T12:10:07", "id": "OPENSUSE-SU-2018:3107-1", "href": "http://lists.opensuse.org/opensuse-security-announce/2018-10/msg00026.html", "cvss": {"score": 5.0, "vector": "AV:NETWORK/AC:LOW/Au:NONE/C:NONE/I:NONE/A:PARTIAL/"}}, {"lastseen": "2018-10-12T14:30:05", "description": "This update for libxml2 fixes the following security issues:\n\n - CVE-2018-9251: The xz_decomp function allowed remote attackers to cause\n a denial of service (infinite loop) via a crafted XML file that triggers\n LZMA_MEMLIMIT_ERROR, as demonstrated by xmllint (bsc#1088279)\n - CVE-2018-14567: Prevent denial of service (infinite loop) via a crafted\n XML file that triggers LZMA_MEMLIMIT_ERROR, as demonstrated by xmllint\n (bsc#1105166)\n - CVE-2018-14404: Prevent NULL pointer dereference in the\n xmlXPathCompOpEval() function when parsing an invalid XPath expression\n in the XPATH_OP_AND or XPATH_OP_OR case leading to a denial of service\n attack (bsc#1102046)\n\n This update was imported from the SUSE:SLE-15:Update update project.\n\n", "cvss3": {}, "published": "2018-10-12T12:12:16", "type": "suse", "title": "Security update for libxml2 (moderate)", "bulletinFamily": "unix", "cvss2": {}, "cvelist": ["CVE-2018-14404", "CVE-2018-14567", "CVE-2018-9251"], "modified": "2018-10-12T12:12:16", "id": "OPENSUSE-SU-2018:3110-1", "href": "http://lists.opensuse.org/opensuse-security-announce/2018-10/msg00029.html", "cvss": {"score": 5.0, "vector": "AV:NETWORK/AC:LOW/Au:NONE/C:NONE/I:NONE/A:PARTIAL/"}}, {"lastseen": "2022-11-06T12:10:42", "description": "An update that solves three vulnerabilities and has 6 fixes\n is now available.\n\nDescription:\n\n This update for rmt-server to version 1.1.1 fixes the following issues:\n\n The following issues have been fixed:\n\n - Fixed migration problems which caused some extensions / modules to be\n dropped (bsc#1118584, bsc#1118579)\n - Fixed listing of mirrored products (bsc#1102193)\n - Include online migration paths into offline migration (bsc#1117106)\n - Sync products that do not have a base product (bsc#1109307)\n - Fixed SLP auto discovery for RMT (bsc#1113760)\n\n Update dependencies for security fixes:\n\n - CVE-2018-16468: Update loofah to 2.2.3 (bsc#1113969)\n - CVE-2018-16470: Update rack to 2.0.6 (bsc#1114831)\n - CVE-2018-14404: Update nokogiri to 1.8.5 (bsc#1102046)\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 15.0:\n\n zypper in -t patch openSUSE-2019-185=1", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2019-02-14T00:00:00", "type": "suse", "title": "Security update for rmt-server (moderate)", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": true, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-14404", "CVE-2018-16468", "CVE-2018-16470"], "modified": "2019-02-14T00:00:00", "id": "OPENSUSE-SU-2019:0185-1", "href": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/AV7P2XPVE2GW6NK2J7LPNFK4M3HRKL2B/", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}], "ibm": [{"lastseen": "2023-02-24T01:38:51", "description": "## Summary\n\nIBM BladeCenter Advanced Management Module (AMM) has addressed the following vulnerabilities in libxml2.\n\n## Vulnerability Details\n\n** CVEID: **[CVE-2018-14404](<https://vulners.com/cve/CVE-2018-14404>) \n** DESCRIPTION: **A NULL pointer dereference vulnerability exists in the xpath.c:xmlXPathCompOpEval() function of libxml2 through 2.9.8 when parsing an invalid XPath expression in the XPATH_OP_AND or XPATH_OP_OR case. Applications processing untrusted XSL format inputs with the use of the libxml2 library may be vulnerable to a denial of service attack due to a crash of the application. \nCVSS Base score: 3.3 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/147260](<https://exchange.xforce.ibmcloud.com/vulnerabilities/147260>) 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 \n** CVEID: **[CVE-2016-9318](<https://vulners.com/cve/CVE-2016-9318>) \n** DESCRIPTION: **libxml2 2.9.4 and earlier, as used in XMLSec 1.2.23 and earlier and other products, does not offer a flag directly indicating that the current document may be read but other files may not be opened, which makes it easier for remote attackers to conduct XML External Entity (XXE) attacks via a crafted document. \nCVSS Base score: 5.5 \nCVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/119018](<https://exchange.xforce.ibmcloud.com/vulnerabilities/119018>) for the current score. \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N) \n\n## Affected Products and Versions\n\n**Product(s) **\n\n| \n\n**Version ** \n \n---|--- \n \nIBM BladeCenter Advanced Management Module (AMM)\n\n| \n\nbpet \n \nIBM BladeCenter T Advanced Management Module (AMM)\n\n| \n\nbbet \n \n \n\n\n## Remediation/Fixes\n\nFirmware fix versions are available on Fix Central: [http://www.ibm.com/support/fixcentral/](<http://www.ibm.com/support/fixcentral/>)\n\n**Product(s) **\n\n| \n\n**Fixed Version ** \n \n---|--- \n \nIBM BladeCenter Advanced Management Module (AMM) \n(ibm_fw_amm_bpet68m-3.68m_anyos_noarch)\n\n| \n\nbpet68m-3.68m \n \nIBM BladeCenter T Advanced Management Module (AMM) \n(ibm_fw_amm_bbet68m-3.68m_anyos_noarch)\n\n| \n\nbbet68m-3.68m \n \n## Workarounds and Mitigations\n\nNone\n\n## ", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2020-01-09T19:18:07", "type": "ibm", "title": "Security Bulletin: IBM BladeCenter Advanced Management Module (AMM) is affected by vulnerabilities in libxml2 (CVE-2018-14404 CVE-2016-9318)", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInt
Copy-Paste Vulnerability (CPV) Through Libxml2
