gsd-2020-7595
Vulnerability from gsd
Modified
2020-02-12 00:00
Details
Nokogiri has backported the patch for CVE-2020-7595 into its vendored version of libxml2, and released this as v1.10.8 CVE-2020-7595 has not yet been addressed in an upstream libxml2 release, and so Nokogiri versions <= v1.10.7 are vulnerable.
Aliases



{
   GSD: {
      alias: "CVE-2020-7595",
      description: "xmlStringLenDecodeEntities in parser.c in libxml2 2.9.10 has an infinite loop in a certain end-of-file situation.",
      id: "GSD-2020-7595",
      references: [
         "https://www.suse.com/security/cve/CVE-2020-7595.html",
         "https://access.redhat.com/errata/RHSA-2020:4479",
         "https://access.redhat.com/errata/RHSA-2020:3996",
         "https://access.redhat.com/errata/RHSA-2020:2646",
         "https://access.redhat.com/errata/RHSA-2020:2644",
         "https://ubuntu.com/security/CVE-2020-7595",
         "https://advisories.mageia.org/CVE-2020-7595.html",
         "https://security.archlinux.org/CVE-2020-7595",
         "https://alas.aws.amazon.com/cve/html/CVE-2020-7595.html",
         "https://linux.oracle.com/cve/CVE-2020-7595.html",
      ],
   },
   gsd: {
      metadata: {
         exploitCode: "unknown",
         remediation: "unknown",
         reportConfidence: "confirmed",
         type: "vulnerability",
      },
      osvSchema: {
         affected: [
            {
               package: {
                  ecosystem: "RubyGems",
                  name: "nokogiri",
                  purl: "pkg:gem/nokogiri",
               },
            },
         ],
         aliases: [
            "CVE-2020-7595",
            "GHSA-7553-jr98-vx47",
         ],
         details: "\nNokogiri has backported the patch for CVE-2020-7595 into its vendored version\nof libxml2, and released this as v1.10.8\n\nCVE-2020-7595 has not yet been addressed in an upstream libxml2 release, and\nso Nokogiri versions <= v1.10.7 are vulnerable.",
         id: "GSD-2020-7595",
         modified: "2020-02-12T00:00:00.000Z",
         published: "2020-02-12T00:00:00.000Z",
         references: [
            {
               type: "WEB",
               url: "https://github.com/sparklemotion/nokogiri/issues/1992",
            },
         ],
         schema_version: "1.4.0",
         severity: [
            {
               score: 5,
               type: "CVSS_V2",
            },
            {
               score: 7.5,
               type: "CVSS_V3",
            },
         ],
         summary: "libxml2 2.9.10 has an infinite loop in a certain end-of-file situation",
      },
   },
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                  name: "[debian-lts-announce] 20200909 [SECURITY] [DLA 2369-1] libxml2 security update",
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         description: "\nNokogiri has backported the patch for CVE-2020-7595 into its vendored version\nof libxml2, and released this as v1.10.8\n\nCVE-2020-7595 has not yet been addressed in an upstream libxml2 release, and\nso Nokogiri versions <= v1.10.7 are vulnerable.",
         gem: "nokogiri",
         ghsa: "7553-jr98-vx47",
         patched_versions: [
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         title: "libxml2 2.9.10 has an infinite loop in a certain end-of-file situation",
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                  "CWE-835",
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               date: "2021-12-08",
               description: "`xmlStringLenDecodeEntities` in `parser.c` in libxml2 has an infinite loop in a certain end-of-file situation.",
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               ],
               identifier: "CVE-2020-7595",
               identifiers: [
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               not_impacted: "All versions before 2.9.10, all versions after 2.9.10",
               package_slug: "conan/libxml2",
               pubdate: "2020-01-21",
               solution: "Upgrade to version 2.9.12 or above.",
               title: "Loop with Unreachable Exit Condition (Infinite Loop)",
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               title: "Loop with Unreachable Exit Condition (Infinite Loop)",
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               date: "2021-12-08",
               description: "xmlStringLenDecodeEntities in parser.c in libxml2 has an infinite loop in a certain end-of-file situation.",
               fixed_versions: [],
               identifier: "CVE-2020-7595",
               identifiers: [
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               not_impacted: "",
               package_slug: "nuget/libxml2",
               pubdate: "2020-01-21",
               solution: "Unfortunately, there is no solution available yet.",
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                  "https://gitlab.gnome.org/GNOME/libxml2/commit/0e1a49c89076",
                  "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/545SPOI3ZPPNPX4TFRIVE4JVRTJRKULL/",
                  "https://usn.ubuntu.com/4274-1/",
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                  "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00047.html",
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                  "https://www.oracle.com/security-alerts/cpujul2020.html",
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                        cpe23Uri: "cpe:2.3:a:oracle:mysql_workbench:*:*:*:*:*:*:*:*",
                        cpe_name: [],
                        versionEndIncluding: "8.0.26",
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:a:oracle:real_user_experience_insight:13.4.1.0:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:a:oracle:real_user_experience_insight:13.5.1.0:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:a:oracle:communications_cloud_native_core_network_function_cloud_native_environment:1.10.0:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                  ],
                  operator: "OR",
               },
            ],
         },
         cve: {
            CVE_data_meta: {
               ASSIGNER: "cve@mitre.org",
               ID: "CVE-2020-7595",
            },
            data_format: "MITRE",
            data_type: "CVE",
            data_version: "4.0",
            description: {
               description_data: [
                  {
                     lang: "en",
                     value: "xmlStringLenDecodeEntities in parser.c in libxml2 2.9.10 has an infinite loop in a certain end-of-file situation.",
                  },
               ],
            },
            problemtype: {
               problemtype_data: [
                  {
                     description: [
                        {
                           lang: "en",
                           value: "CWE-835",
                        },
                     ],
                  },
               ],
            },
            references: {
               reference_data: [
                  {
                     name: "https://gitlab.gnome.org/GNOME/libxml2/commit/0e1a49c89076",
                     refsource: "MISC",
                     tags: [
                        "Patch",
                        "Third Party Advisory",
                     ],
                     url: "https://gitlab.gnome.org/GNOME/libxml2/commit/0e1a49c89076",
                  },
                  {
                     name: "FEDORA-2020-41fe1680f6",
                     refsource: "FEDORA",
                     tags: [
                        "Third Party Advisory",
                     ],
                     url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/545SPOI3ZPPNPX4TFRIVE4JVRTJRKULL/",
                  },
                  {
                     name: "USN-4274-1",
                     refsource: "UBUNTU",
                     tags: [
                        "Third Party Advisory",
                     ],
                     url: "https://usn.ubuntu.com/4274-1/",
                  },
                  {
                     name: "FEDORA-2020-0c71c00af4",
                     refsource: "FEDORA",
                     tags: [
                        "Third Party Advisory",
                     ],
                     url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5R55ZR52RMBX24TQTWHCIWKJVRV6YAWI/",
                  },
                  {
                     name: "FEDORA-2020-7694e8be73",
                     refsource: "FEDORA",
                     tags: [
                        "Third Party Advisory",
                     ],
                     url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JDPF3AAVKUAKDYFMFKSIQSVVS3EEFPQH/",
                  },
                  {
                     name: "openSUSE-SU-2020:0681",
                     refsource: "SUSE",
                     tags: [
                        "Broken Link",
                     ],
                     url: "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00047.html",
                  },
                  {
                     name: "https://security.netapp.com/advisory/ntap-20200702-0005/",
                     refsource: "CONFIRM",
                     tags: [
                        "Third Party Advisory",
                     ],
                     url: "https://security.netapp.com/advisory/ntap-20200702-0005/",
                  },
                  {
                     name: "https://www.oracle.com/security-alerts/cpujul2020.html",
                     refsource: "MISC",
                     tags: [
                        "Third Party Advisory",
                     ],
                     url: "https://www.oracle.com/security-alerts/cpujul2020.html",
                  },
                  {
                     name: "[debian-lts-announce] 20200909 [SECURITY] [DLA 2369-1] libxml2 security update",
                     refsource: "MLIST",
                     tags: [
                        "Mailing List",
                        "Third Party Advisory",
                     ],
                     url: "https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html",
                  },
                  {
                     name: "GLSA-202010-04",
                     refsource: "GENTOO",
                     tags: [
                        "Third Party Advisory",
                     ],
                     url: "https://security.gentoo.org/glsa/202010-04",
                  },
                  {
                     name: "https://cert-portal.siemens.com/productcert/pdf/ssa-292794.pdf",
                     refsource: "CONFIRM",
                     tags: [
                        "Third Party Advisory",
                     ],
                     url: "https://cert-portal.siemens.com/productcert/pdf/ssa-292794.pdf",
                  },
                  {
                     name: "https://us-cert.cisa.gov/ics/advisories/icsa-21-103-08",
                     refsource: "CONFIRM",
                     tags: [
                        "Third Party Advisory",
                        "US Government Resource",
                     ],
                     url: "https://us-cert.cisa.gov/ics/advisories/icsa-21-103-08",
                  },
                  {
                     name: "https://www.oracle.com/security-alerts/cpuoct2021.html",
                     refsource: "MISC",
                     tags: [
                        "Patch",
                        "Third Party Advisory",
                     ],
                     url: "https://www.oracle.com/security-alerts/cpuoct2021.html",
                  },
                  {
                     name: "https://www.oracle.com/security-alerts/cpuapr2022.html",
                     refsource: "MISC",
                     tags: [
                        "Patch",
                        "Third Party Advisory",
                     ],
                     url: "https://www.oracle.com/security-alerts/cpuapr2022.html",
                  },
                  {
                     name: "N/A",
                     refsource: "N/A",
                     tags: [],
                     url: "https://www.oracle.com/security-alerts/cpujul2022.html",
                  },
               ],
            },
         },
         impact: {
            baseMetricV2: {
               acInsufInfo: false,
               cvssV2: {
                  accessComplexity: "LOW",
                  accessVector: "NETWORK",
                  authentication: "NONE",
                  availabilityImpact: "PARTIAL",
                  baseScore: 5,
                  confidentialityImpact: "NONE",
                  integrityImpact: "NONE",
                  vectorString: "AV:N/AC:L/Au:N/C:N/I:N/A:P",
                  version: "2.0",
               },
               exploitabilityScore: 10,
               impactScore: 2.9,
               obtainAllPrivilege: false,
               obtainOtherPrivilege: false,
               obtainUserPrivilege: false,
               severity: "MEDIUM",
               userInteractionRequired: false,
            },
            baseMetricV3: {
               cvssV3: {
                  attackComplexity: "LOW",
                  attackVector: "NETWORK",
                  availabilityImpact: "HIGH",
                  baseScore: 7.5,
                  baseSeverity: "HIGH",
                  confidentialityImpact: "NONE",
                  integrityImpact: "NONE",
                  privilegesRequired: "NONE",
                  scope: "UNCHANGED",
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  version: "3.1",
               },
               exploitabilityScore: 3.9,
               impactScore: 3.6,
            },
         },
         lastModifiedDate: "2022-07-25T18:15Z",
         publishedDate: "2020-01-21T23:15Z",
      },
   },
}


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Security Advisory comment format.

This schema specifies the format of a comment related to a security advisory.

UUIDv4 of the comment
UUIDv4 of the Vulnerability-Lookup instance
When the comment was created originally
When the comment was last updated
Title of the comment
Description of the comment
The identifier of the vulnerability (CVE ID, GHSA-ID, PYSEC ID, etc.).



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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.