gsd-2021-3537
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.
Aliases
Aliases
CVE-2021-3537


To clipboard 

{
   GSD: {
      alias: "CVE-2021-3537",
      description: "A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.",
      id: "GSD-2021-3537",
      references: [
         "https://www.suse.com/security/cve/CVE-2021-3537.html",
         "https://access.redhat.com/errata/RHBA-2021:2854",
         "https://access.redhat.com/errata/RHSA-2021:2569",
         "https://ubuntu.com/security/CVE-2021-3537",
         "https://advisories.mageia.org/CVE-2021-3537.html",
         "https://security.archlinux.org/CVE-2021-3537",
         "https://access.redhat.com/errata/RHSA-2022:1389",
         "https://access.redhat.com/errata/RHSA-2022:1390",
         "https://linux.oracle.com/cve/CVE-2021-3537.html",
      ],
   },
   gsd: {
      metadata: {
         exploitCode: "unknown",
         remediation: "unknown",
         reportConfidence: "confirmed",
         type: "vulnerability",
      },
      osvSchema: {
         aliases: [
            "CVE-2021-3537",
         ],
         details: "A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.",
         id: "GSD-2021-3537",
         modified: "2023-12-13T01:23:35.254178Z",
         schema_version: "1.4.0",
      },
   },
   namespaces: {
      "cve.org": {
         CVE_data_meta: {
            ASSIGNER: "secalert@redhat.com",
            ID: "CVE-2021-3537",
            STATE: "PUBLIC",
         },
         affects: {
            vendor: {
               vendor_data: [
                  {
                     product: {
                        product_data: [
                           {
                              product_name: "libxml2",
                              version: {
                                 version_data: [
                                    {
                                       version_value: "libxml2 2.9.11",
                                    },
                                 ],
                              },
                           },
                        ],
                     },
                     vendor_name: "n/a",
                  },
               ],
            },
         },
         data_format: "MITRE",
         data_type: "CVE",
         data_version: "4.0",
         description: {
            description_data: [
               {
                  lang: "eng",
                  value: "A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.",
               },
            ],
         },
         problemtype: {
            problemtype_data: [
               {
                  description: [
                     {
                        lang: "eng",
                        value: "CWE-476",
                     },
                  ],
               },
            ],
         },
         references: {
            reference_data: [
               {
                  name: "FEDORA-2021-e3ed1ba38b",
                  refsource: "FEDORA",
                  url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/",
               },
               {
                  name: "[debian-lts-announce] 20210510 [SECURITY] [DLA 2653-1] libxml2 security update",
                  refsource: "MLIST",
                  url: "https://lists.debian.org/debian-lts-announce/2021/05/msg00008.html",
               },
               {
                  name: "https://bugzilla.redhat.com/show_bug.cgi?id=1956522",
                  refsource: "MISC",
                  url: "https://bugzilla.redhat.com/show_bug.cgi?id=1956522",
               },
               {
                  name: "FEDORA-2021-b950000d2b",
                  refsource: "FEDORA",
                  url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6/",
               },
               {
                  name: "GLSA-202107-05",
                  refsource: "GENTOO",
                  url: "https://security.gentoo.org/glsa/202107-05",
               },
               {
                  name: "https://security.netapp.com/advisory/ntap-20210625-0002/",
                  refsource: "CONFIRM",
                  url: "https://security.netapp.com/advisory/ntap-20210625-0002/",
               },
               {
                  name: "https://www.oracle.com/security-alerts/cpuoct2021.html",
                  refsource: "MISC",
                  url: "https://www.oracle.com/security-alerts/cpuoct2021.html",
               },
               {
                  name: "https://www.oracle.com/security-alerts/cpuapr2022.html",
                  refsource: "MISC",
                  url: "https://www.oracle.com/security-alerts/cpuapr2022.html",
               },
               {
                  name: "https://www.oracle.com/security-alerts/cpujul2022.html",
                  refsource: "MISC",
                  url: "https://www.oracle.com/security-alerts/cpujul2022.html",
               },
            ],
         },
      },
      "gitlab.com": {
         advisories: [
            {
               affected_range: "<2.9.11",
               affected_versions: "All versions before 2.9.11",
               cvss_v2: "AV:N/AC:M/Au:N/C:N/I:N/A:P",
               cvss_v3: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
               cwe_ids: [
                  "CWE-1035",
                  "CWE-476",
                  "CWE-937",
               ],
               date: "2023-02-28",
               description: "A vulnerability found in libxml2 shows that it does not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.",
               fixed_versions: [
                  "2.9.12",
               ],
               identifier: "CVE-2021-3537",
               identifiers: [
                  "CVE-2021-3537",
               ],
               not_impacted: "All versions starting from 2.9.11",
               package_slug: "conan/libxml2",
               pubdate: "2021-05-14",
               solution: "Upgrade to version 2.9.12 or above.",
               title: "NULL Pointer Dereference",
               urls: [
                  "https://nvd.nist.gov/vuln/detail/CVE-2021-3537",
                  "https://bugzilla.redhat.com/show_bug.cgi?id=1956522",
               ],
               uuid: "983a358c-682d-451d-962a-9675c1295fbe",
            },
            {
               affected_range: "<1.11.4",
               affected_versions: "All versions before 1.11.4",
               cvss_v2: "AV:N/AC:M/Au:N/C:N/I:N/A:P",
               cvss_v3: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
               cwe_ids: [
                  "CWE-1035",
                  "CWE-476",
                  "CWE-937",
               ],
               date: "2023-02-28",
               description: "A vulnerability found in libxml2 shows that it does not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.",
               fixed_versions: [
                  "1.11.4",
               ],
               identifier: "CVE-2021-3537",
               identifiers: [
                  "CVE-2021-3537",
               ],
               not_impacted: "All versions starting from 1.11.4",
               package_slug: "gem/nokogiri",
               pubdate: "2021-05-14",
               solution: "Upgrade to version 1.11.4 or above.",
               title: "NULL Pointer Dereference",
               urls: [
                  "https://nvd.nist.gov/vuln/detail/CVE-2021-3537",
                  "https://bugzilla.redhat.com/show_bug.cgi?id=1956522",
               ],
               uuid: "68d8ab80-3f4a-476f-8284-c277ba9fc486",
            },
            {
               affected_range: "(,2.9.11)",
               affected_versions: "All versions before 2.9.11",
               cvss_v2: "AV:N/AC:M/Au:N/C:N/I:N/A:P",
               cvss_v3: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
               cwe_ids: [
                  "CWE-1035",
                  "CWE-476",
                  "CWE-937",
               ],
               date: "2023-02-28",
               description: "A vulnerability found in libxml2 shows that it does not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.",
               fixed_versions: [],
               identifier: "CVE-2021-3537",
               identifiers: [
                  "CVE-2021-3537",
               ],
               not_impacted: "",
               package_slug: "nuget/libxml2.vc140_xp.mt.static.x86",
               pubdate: "2021-05-14",
               solution: "Unfortunately, there is no solution available yet.",
               title: "NULL Pointer Dereference",
               urls: [
                  "https://nvd.nist.gov/vuln/detail/CVE-2021-3537",
                  "https://bugzilla.redhat.com/show_bug.cgi?id=1956522",
                  "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/",
                  "https://lists.debian.org/debian-lts-announce/2021/05/msg00008.html",
                  "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6/",
                  "https://security.netapp.com/advisory/ntap-20210625-0002/",
                  "https://security.gentoo.org/glsa/202107-05",
                  "https://www.oracle.com/security-alerts/cpuoct2021.html",
               ],
               uuid: "bde23500-75d7-48ce-aad4-c15d38043fa8",
            },
            {
               affected_range: "(,2.9.11)",
               affected_versions: "All versions before 2.9.11",
               cvss_v2: "AV:N/AC:M/Au:N/C:N/I:N/A:P",
               cvss_v3: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
               cwe_ids: [
                  "CWE-1035",
                  "CWE-476",
                  "CWE-937",
               ],
               date: "2023-02-28",
               description: "A vulnerability found in libxml2 shows that it does not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.",
               fixed_versions: [],
               identifier: "CVE-2021-3537",
               identifiers: [
                  "CVE-2021-3537",
               ],
               not_impacted: "",
               package_slug: "nuget/libxml2",
               pubdate: "2021-05-14",
               solution: "Unfortunately, there is no solution available yet.",
               title: "NULL Pointer Dereference",
               urls: [
                  "https://nvd.nist.gov/vuln/detail/CVE-2021-3537",
                  "https://bugzilla.redhat.com/show_bug.cgi?id=1956522",
               ],
               uuid: "86f480b7-c515-4cc2-afbe-e3c09d45b1e0",
            },
         ],
      },
      "nvd.nist.gov": {
         configurations: {
            CVE_data_version: "4.0",
            nodes: [
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*",
                        cpe_name: [],
                        versionEndExcluding: "2.9.11",
                        vulnerable: true,
                     },
                  ],
                  operator: "OR",
               },
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:a:redhat:jboss_core_services:-:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                  ],
                  operator: "OR",
               },
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                  ],
                  operator: "OR",
               },
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                  ],
                  operator: "OR",
               },
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:a:netapp:clustered_data_ontap_antivirus_connector:-:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:a:netapp:snapdrive:-:*:*:*:*:windows:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:a:netapp:manageability_software_development_kit:-:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                  ],
                  operator: "OR",
               },
               {
                  children: [
                     {
                        children: [],
                        cpe_match: [
                           {
                              cpe23Uri: "cpe:2.3:o:netapp:hci_h410c_firmware:-:*:*:*:*:*:*:*",
                              cpe_name: [],
                              vulnerable: true,
                           },
                        ],
                        operator: "OR",
                     },
                     {
                        children: [],
                        cpe_match: [
                           {
                              cpe23Uri: "cpe:2.3:h:netapp:hci_h410c:-:*:*:*:*:*:*:*",
                              cpe_name: [],
                              vulnerable: false,
                           },
                        ],
                        operator: "OR",
                     },
                  ],
                  cpe_match: [],
                  operator: "AND",
               },
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.58:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:a:oracle:enterprise_manager_base_platform:13.4.0.0:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:a:oracle:enterprise_manager_ops_center:12.4.0.0:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:a:oracle:openjdk:8:update301:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:a:oracle:enterprise_manager_base_platform:13.5.0.0:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        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: "secalert@redhat.com",
               ID: "CVE-2021-3537",
            },
            data_format: "MITRE",
            data_type: "CVE",
            data_version: "4.0",
            description: {
               description_data: [
                  {
                     lang: "en",
                     value: "A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.",
                  },
               ],
            },
            problemtype: {
               problemtype_data: [
                  {
                     description: [
                        {
                           lang: "en",
                           value: "CWE-476",
                        },
                     ],
                  },
               ],
            },
            references: {
               reference_data: [
                  {
                     name: "https://bugzilla.redhat.com/show_bug.cgi?id=1956522",
                     refsource: "MISC",
                     tags: [
                        "Issue Tracking",
                        "Patch",
                        "Third Party Advisory",
                     ],
                     url: "https://bugzilla.redhat.com/show_bug.cgi?id=1956522",
                  },
                  {
                     name: "FEDORA-2021-e3ed1ba38b",
                     refsource: "FEDORA",
                     tags: [
                        "Mailing List",
                        "Third Party Advisory",
                     ],
                     url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/",
                  },
                  {
                     name: "[debian-lts-announce] 20210510 [SECURITY] [DLA 2653-1] libxml2 security update",
                     refsource: "MLIST",
                     tags: [
                        "Mailing List",
                        "Third Party Advisory",
                     ],
                     url: "https://lists.debian.org/debian-lts-announce/2021/05/msg00008.html",
                  },
                  {
                     name: "FEDORA-2021-b950000d2b",
                     refsource: "FEDORA",
                     tags: [
                        "Mailing List",
                        "Third Party Advisory",
                     ],
                     url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6/",
                  },
                  {
                     name: "https://security.netapp.com/advisory/ntap-20210625-0002/",
                     refsource: "CONFIRM",
                     tags: [
                        "Third Party Advisory",
                     ],
                     url: "https://security.netapp.com/advisory/ntap-20210625-0002/",
                  },
                  {
                     name: "GLSA-202107-05",
                     refsource: "GENTOO",
                     tags: [
                        "Third Party Advisory",
                     ],
                     url: "https://security.gentoo.org/glsa/202107-05",
                  },
                  {
                     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: [
                        "Not Applicable",
                     ],
                     url: "https://www.oracle.com/security-alerts/cpujul2022.html",
                  },
               ],
            },
         },
         impact: {
            baseMetricV2: {
               acInsufInfo: false,
               cvssV2: {
                  accessComplexity: "MEDIUM",
                  accessVector: "NETWORK",
                  authentication: "NONE",
                  availabilityImpact: "PARTIAL",
                  baseScore: 4.3,
                  confidentialityImpact: "NONE",
                  integrityImpact: "NONE",
                  vectorString: "AV:N/AC:M/Au:N/C:N/I:N/A:P",
                  version: "2.0",
               },
               exploitabilityScore: 8.6,
               impactScore: 2.9,
               obtainAllPrivilege: false,
               obtainOtherPrivilege: false,
               obtainUserPrivilege: false,
               severity: "MEDIUM",
               userInteractionRequired: false,
            },
            baseMetricV3: {
               cvssV3: {
                  attackComplexity: "HIGH",
                  attackVector: "NETWORK",
                  availabilityImpact: "HIGH",
                  baseScore: 5.9,
                  baseSeverity: "MEDIUM",
                  confidentialityImpact: "NONE",
                  integrityImpact: "NONE",
                  privilegesRequired: "NONE",
                  scope: "UNCHANGED",
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  version: "3.1",
               },
               exploitabilityScore: 2.2,
               impactScore: 3.6,
            },
         },
         lastModifiedDate: "2023-02-28T15:19Z",
         publishedDate: "2021-05-14T20:15Z",
      },
   },
}


Log in or create an account to share your comment.

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.).



Tags
Taxonomy of the tags.




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.