gsd-2021-21775
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
A use-after-free vulnerability exists in the way certain events are processed for ImageLoader objects of Webkit WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. In order to trigger the vulnerability, a victim must be tricked into visiting a malicious webpage.
Aliases
Aliases
CVE-2021-21775


To clipboard 

{
   GSD: {
      alias: "CVE-2021-21775",
      description: "A use-after-free vulnerability exists in the way certain events are processed for ImageLoader objects of Webkit WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. In order to trigger the vulnerability, a victim must be tricked into visiting a malicious webpage.",
      id: "GSD-2021-21775",
      references: [
         "https://www.suse.com/security/cve/CVE-2021-21775.html",
         "https://www.debian.org/security/2021/dsa-4945",
         "https://access.redhat.com/errata/RHSA-2021:4381",
         "https://ubuntu.com/security/CVE-2021-21775",
         "https://advisories.mageia.org/CVE-2021-21775.html",
         "https://security.archlinux.org/CVE-2021-21775",
         "https://linux.oracle.com/cve/CVE-2021-21775.html",
      ],
   },
   gsd: {
      metadata: {
         exploitCode: "unknown",
         remediation: "unknown",
         reportConfidence: "confirmed",
         type: "vulnerability",
      },
      osvSchema: {
         aliases: [
            "CVE-2021-21775",
         ],
         details: "A use-after-free vulnerability exists in the way certain events are processed for ImageLoader objects of Webkit WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. In order to trigger the vulnerability, a victim must be tricked into visiting a malicious webpage.",
         id: "GSD-2021-21775",
         modified: "2023-12-13T01:23:10.562756Z",
         schema_version: "1.4.0",
      },
   },
   namespaces: {
      "cve.org": {
         CVE_data_meta: {
            ASSIGNER: "talos-cna@cisco.com",
            ID: "CVE-2021-21775",
            STATE: "PUBLIC",
         },
         affects: {
            vendor: {
               vendor_data: [
                  {
                     product: {
                        product_data: [
                           {
                              product_name: "Webkit",
                              version: {
                                 version_data: [
                                    {
                                       version_value: "Webkit WebKitGTK 2.30.4",
                                    },
                                 ],
                              },
                           },
                        ],
                     },
                     vendor_name: "n/a",
                  },
               ],
            },
         },
         data_format: "MITRE",
         data_type: "CVE",
         data_version: "4.0",
         description: {
            description_data: [
               {
                  lang: "eng",
                  value: "A use-after-free vulnerability exists in the way certain events are processed for ImageLoader objects of Webkit WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. In order to trigger the vulnerability, a victim must be tricked into visiting a malicious webpage.",
               },
            ],
         },
         impact: {
            cvss: {
               baseScore: 6.8,
               baseSeverity: "Medium",
               vectorString: "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:L",
               version: "3.0",
            },
         },
         problemtype: {
            problemtype_data: [
               {
                  description: [
                     {
                        lang: "eng",
                        value: "CWE-416: Use After Free",
                     },
                  ],
               },
            ],
         },
         references: {
            reference_data: [
               {
                  name: "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1229",
                  refsource: "MISC",
                  url: "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1229",
               },
               {
                  name: "[oss-security] 20210723 WebKitGTK and WPE WebKit Security Advisory WSA-2021-0004",
                  refsource: "MLIST",
                  url: "http://www.openwall.com/lists/oss-security/2021/07/23/1",
               },
               {
                  name: "FEDORA-2021-cf7d8c7b1a",
                  refsource: "FEDORA",
                  url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V4QORERLPDN3UNNJFJSOMHZZCU2G75Q6/",
               },
               {
                  name: "DSA-4945",
                  refsource: "DEBIAN",
                  url: "https://www.debian.org/security/2021/dsa-4945",
               },
               {
                  name: "FEDORA-2021-3de956ceee",
                  refsource: "FEDORA",
                  url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KYMMBQN4PRVDLMIJT2LY2BWHLYBD57P3/",
               },
            ],
         },
      },
      "nvd.nist.gov": {
         configurations: {
            CVE_data_version: "4.0",
            nodes: [
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:a:webkitgtk:webkitgtk:2.30.4:*:*:*:*:*:*:*",
                        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:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                  ],
                  operator: "OR",
               },
            ],
         },
         cve: {
            CVE_data_meta: {
               ASSIGNER: "talos-cna@cisco.com",
               ID: "CVE-2021-21775",
            },
            data_format: "MITRE",
            data_type: "CVE",
            data_version: "4.0",
            description: {
               description_data: [
                  {
                     lang: "en",
                     value: "A use-after-free vulnerability exists in the way certain events are processed for ImageLoader objects of Webkit WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. In order to trigger the vulnerability, a victim must be tricked into visiting a malicious webpage.",
                  },
               ],
            },
            problemtype: {
               problemtype_data: [
                  {
                     description: [
                        {
                           lang: "en",
                           value: "CWE-416",
                        },
                     ],
                  },
               ],
            },
            references: {
               reference_data: [
                  {
                     name: "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1229",
                     refsource: "MISC",
                     tags: [
                        "Exploit",
                        "Technical Description",
                        "Third Party Advisory",
                     ],
                     url: "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1229",
                  },
                  {
                     name: "[oss-security] 20210723 WebKitGTK and WPE WebKit Security Advisory WSA-2021-0004",
                     refsource: "MLIST",
                     tags: [
                        "Mailing List",
                     ],
                     url: "http://www.openwall.com/lists/oss-security/2021/07/23/1",
                  },
                  {
                     name: "FEDORA-2021-cf7d8c7b1a",
                     refsource: "FEDORA",
                     tags: [
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                     ],
                     url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V4QORERLPDN3UNNJFJSOMHZZCU2G75Q6/",
                  },
                  {
                     name: "DSA-4945",
                     refsource: "DEBIAN",
                     tags: [
                        "Third Party Advisory",
                     ],
                     url: "https://www.debian.org/security/2021/dsa-4945",
                  },
                  {
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                     refsource: "FEDORA",
                     tags: [
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                        "Third Party Advisory",
                     ],
                     url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KYMMBQN4PRVDLMIJT2LY2BWHLYBD57P3/",
                  },
               ],
            },
         },
         impact: {
            baseMetricV2: {
               acInsufInfo: false,
               cvssV2: {
                  accessComplexity: "MEDIUM",
                  accessVector: "NETWORK",
                  authentication: "SINGLE",
                  availabilityImpact: "PARTIAL",
                  baseScore: 6,
                  confidentialityImpact: "PARTIAL",
                  integrityImpact: "PARTIAL",
                  vectorString: "AV:N/AC:M/Au:S/C:P/I:P/A:P",
                  version: "2.0",
               },
               exploitabilityScore: 6.8,
               impactScore: 6.4,
               obtainAllPrivilege: false,
               obtainOtherPrivilege: false,
               obtainUserPrivilege: false,
               severity: "MEDIUM",
               userInteractionRequired: true,
            },
            baseMetricV3: {
               cvssV3: {
                  attackComplexity: "LOW",
                  attackVector: "NETWORK",
                  availabilityImpact: "HIGH",
                  baseScore: 8,
                  baseSeverity: "HIGH",
                  confidentialityImpact: "HIGH",
                  integrityImpact: "HIGH",
                  privilegesRequired: "LOW",
                  scope: "UNCHANGED",
                  userInteraction: "REQUIRED",
                  vectorString: "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
                  version: "3.1",
               },
               exploitabilityScore: 2.1,
               impactScore: 5.9,
            },
         },
         lastModifiedDate: "2022-08-24T19:43Z",
         publishedDate: "2021-07-07T22:15Z",
      },
   },
}


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