gsd-2021-3516
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
There's a flaw in libxml2's xmllint in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by xmllint could trigger a use-after-free. The greatest impact of this flaw is to confidentiality, integrity, and availability.
Aliases
Aliases
CVE-2021-3516


To clipboard 

{
   GSD: {
      alias: "CVE-2021-3516",
      description: "There's a flaw in libxml2's xmllint in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by xmllint could trigger a use-after-free. The greatest impact of this flaw is to confidentiality, integrity, and availability.",
      id: "GSD-2021-3516",
      references: [
         "https://www.suse.com/security/cve/CVE-2021-3516.html",
         "https://access.redhat.com/errata/RHBA-2021:2854",
         "https://access.redhat.com/errata/RHSA-2021:2569",
         "https://ubuntu.com/security/CVE-2021-3516",
         "https://advisories.mageia.org/CVE-2021-3516.html",
         "https://security.archlinux.org/CVE-2021-3516",
         "https://access.redhat.com/errata/RHSA-2022:1389",
         "https://access.redhat.com/errata/RHSA-2022:1390",
         "https://linux.oracle.com/cve/CVE-2021-3516.html",
      ],
   },
   gsd: {
      metadata: {
         exploitCode: "unknown",
         remediation: "unknown",
         reportConfidence: "confirmed",
         type: "vulnerability",
      },
      osvSchema: {
         aliases: [
            "CVE-2021-3516",
         ],
         details: "There's a flaw in libxml2's xmllint in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by xmllint could trigger a use-after-free. The greatest impact of this flaw is to confidentiality, integrity, and availability.",
         id: "GSD-2021-3516",
         modified: "2023-12-13T01:23:35.000315Z",
         schema_version: "1.4.0",
      },
   },
   namespaces: {
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            ASSIGNER: "secalert@redhat.com",
            ID: "CVE-2021-3516",
            STATE: "PUBLIC",
         },
         affects: {
            vendor: {
               vendor_data: [
                  {
                     product: {
                        product_data: [
                           {
                              product_name: "libxml2",
                              version: {
                                 version_data: [
                                    {
                                       version_value: "libxml2 2.9.11",
                                    },
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                              },
                           },
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         references: {
            reference_data: [
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                  name: "FEDORA-2021-e3ed1ba38b",
                  refsource: "FEDORA",
                  url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/",
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               },
               {
                  name: "FEDORA-2021-b950000d2b",
                  refsource: "FEDORA",
                  url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6/",
               },
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               },
               {
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                  url: "https://gitlab.gnome.org/GNOME/libxml2/-/issues/230",
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               {
                  name: "https://gitlab.gnome.org/GNOME/libxml2/-/commit/1358d157d0bd83be1dfe356a69213df9fac0b539",
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               },
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                  refsource: "CONFIRM",
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               },
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      },
      "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:P/I:P/A:P",
               cvss_v3: "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
               cwe_ids: [
                  "CWE-1035",
                  "CWE-416",
                  "CWE-937",
               ],
               date: "2022-03-01",
               description: "There's a flaw in libxml2's xmllint An attacker who is able to submit a crafted file to be processed by xmllint could trigger a use-after-free. The greatest impact of this flaw is to confidentiality, integrity, and availability.",
               fixed_versions: [
                  "2.9.12",
               ],
               identifier: "CVE-2021-3516",
               identifiers: [
                  "CVE-2021-3516",
               ],
               not_impacted: "All versions starting from 2.9.11",
               package_slug: "conan/libxml2",
               pubdate: "2021-06-01",
               solution: "Upgrade to version 2.9.12 or above.",
               title: "Use After Free",
               urls: [
                  "https://nvd.nist.gov/vuln/detail/CVE-2021-3516",
                  "https://bugzilla.redhat.com/show_bug.cgi?id=1954225",
                  "https://gitlab.gnome.org/GNOME/libxml2/-/issues/230",
               ],
               uuid: "ba6bf89d-f8ac-48dc-988b-7cce025d8f46",
            },
            {
               affected_range: "<2.9.11",
               affected_versions: "All versions before 2.9.11",
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               cvss_v3: "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
               cwe_ids: [
                  "CWE-1035",
                  "CWE-416",
                  "CWE-937",
               ],
               date: "2022-03-01",
               description: "There's a flaw in libxml2's xmllint An attacker who is able to submit a crafted file to be processed by xmllint could trigger a use-after-free. The greatest impact of this flaw is to confidentiality, integrity, and availability.",
               fixed_versions: [
                  "3.0.0",
               ],
               identifier: "CVE-2021-3516",
               identifiers: [
                  "CVE-2021-3516",
               ],
               not_impacted: "All versions starting from 2.9.11",
               package_slug: "gem/libxml-ruby",
               pubdate: "2021-06-01",
               solution: "Upgrade to version 3.0.0 or above.",
               title: "Use After Free",
               urls: [
                  "https://nvd.nist.gov/vuln/detail/CVE-2021-3516",
                  "https://bugzilla.redhat.com/show_bug.cgi?id=1954225",
                  "https://gitlab.gnome.org/GNOME/libxml2/-/issues/230",
               ],
               uuid: "14ee6ce0-d2ff-486c-a5fc-a11f038fcb20",
            },
         ],
      },
      "nvd.nist.gov": {
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               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:a:xmlsoft:xmllint:*:*:*:*:*:*:*:*",
                        cpe_name: [],
                        versionEndExcluding: "2.9.11",
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         },
         impact: {
            baseMetricV2: {
               acInsufInfo: false,
               cvssV2: {
                  accessComplexity: "MEDIUM",
                  accessVector: "NETWORK",
                  authentication: "NONE",
                  availabilityImpact: "PARTIAL",
                  baseScore: 6.8,
                  confidentialityImpact: "PARTIAL",
                  integrityImpact: "PARTIAL",
                  vectorString: "AV:N/AC:M/Au:N/C:P/I:P/A:P",
                  version: "2.0",
               },
               exploitabilityScore: 8.6,
               impactScore: 6.4,
               obtainAllPrivilege: false,
               obtainOtherPrivilege: false,
               obtainUserPrivilege: false,
               severity: "MEDIUM",
               userInteractionRequired: true,
            },
            baseMetricV3: {
               cvssV3: {
                  attackComplexity: "LOW",
                  attackVector: "LOCAL",
                  availabilityImpact: "HIGH",
                  baseScore: 7.8,
                  baseSeverity: "HIGH",
                  confidentialityImpact: "HIGH",
                  integrityImpact: "HIGH",
                  privilegesRequired: "NONE",
                  scope: "UNCHANGED",
                  userInteraction: "REQUIRED",
                  vectorString: "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  version: "3.1",
               },
               exploitabilityScore: 1.8,
               impactScore: 5.9,
            },
         },
         lastModifiedDate: "2022-03-01T15:11Z",
         publishedDate: "2021-06-01T14:15Z",
      },
   },
}


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