fkie_cve-2021-21775
Vulnerability from fkie_nvd
Published
2021-07-07 22:15
Modified
2024-11-21 05:48
Severity ?
8.0 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Summary
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.
References
talos-cna@cisco.comhttp://www.openwall.com/lists/oss-security/2021/07/23/1Mailing List
talos-cna@cisco.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KYMMBQN4PRVDLMIJT2LY2BWHLYBD57P3/
talos-cna@cisco.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V4QORERLPDN3UNNJFJSOMHZZCU2G75Q6/
talos-cna@cisco.comhttps://talosintelligence.com/vulnerability_reports/TALOS-2021-1229Exploit, Technical Description, Third Party Advisory
talos-cna@cisco.comhttps://www.debian.org/security/2021/dsa-4945Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2021/07/23/1Mailing List
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KYMMBQN4PRVDLMIJT2LY2BWHLYBD57P3/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V4QORERLPDN3UNNJFJSOMHZZCU2G75Q6/
af854a3a-2127-422b-91ae-364da2661108https://talosintelligence.com/vulnerability_reports/TALOS-2021-1229Exploit, Technical Description, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2021/dsa-4945Third Party Advisory
Impacted products
Vendor Product Version
webkitgtk webkitgtk 2.30.4
fedoraproject fedora 33
fedoraproject fedora 34
debian debian_linux 10.0


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:a:webkitgtk:webkitgtk:2.30.4:*:*:*:*:*:*:*",
                     matchCriteriaId: "91F61956-847A-4D9F-9EE1-6D6205F51120",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
                     matchCriteriaId: "E460AA51-FCDA-46B9-AE97-E6676AA5E194",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
                     matchCriteriaId: "A930E247-0B43-43CB-98FF-6CE7B8189835",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
                     matchCriteriaId: "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   cveTags: [],
   descriptions: [
      {
         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.",
      },
      {
         lang: "es",
         value: "Se presenta una vulnerabilidad de uso de memoria previamente liberada en la forma en que se procesan determinados eventos para los objetos ImageLoader de Webkit WebKitGTK versión 2.30.4. Una página web especialmente diseñada puede conllevar a un potencial filtrado de información y una mayor corrupción de memoria. Para desencadenar la vulnerabilidad, una víctima debe ser engañada para visitar una página web maliciosa",
      },
   ],
   id: "CVE-2021-21775",
   lastModified: "2024-11-21T05:48:56.740",
   metrics: {
      cvssMetricV2: [
         {
            acInsufInfo: false,
            baseSeverity: "MEDIUM",
            cvssData: {
               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,
            source: "nvd@nist.gov",
            type: "Primary",
            userInteractionRequired: true,
         },
      ],
      cvssMetricV30: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "NETWORK",
               availabilityImpact: "LOW",
               baseScore: 6.8,
               baseSeverity: "MEDIUM",
               confidentialityImpact: "HIGH",
               integrityImpact: "LOW",
               privilegesRequired: "LOW",
               scope: "UNCHANGED",
               userInteraction: "REQUIRED",
               vectorString: "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:L",
               version: "3.0",
            },
            exploitabilityScore: 2.1,
            impactScore: 4.7,
            source: "talos-cna@cisco.com",
            type: "Secondary",
         },
      ],
      cvssMetricV31: [
         {
            cvssData: {
               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,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2021-07-07T22:15:07.960",
   references: [
      {
         source: "talos-cna@cisco.com",
         tags: [
            "Mailing List",
         ],
         url: "http://www.openwall.com/lists/oss-security/2021/07/23/1",
      },
      {
         source: "talos-cna@cisco.com",
         url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KYMMBQN4PRVDLMIJT2LY2BWHLYBD57P3/",
      },
      {
         source: "talos-cna@cisco.com",
         url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V4QORERLPDN3UNNJFJSOMHZZCU2G75Q6/",
      },
      {
         source: "talos-cna@cisco.com",
         tags: [
            "Exploit",
            "Technical Description",
            "Third Party Advisory",
         ],
         url: "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1229",
      },
      {
         source: "talos-cna@cisco.com",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://www.debian.org/security/2021/dsa-4945",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Mailing List",
         ],
         url: "http://www.openwall.com/lists/oss-security/2021/07/23/1",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KYMMBQN4PRVDLMIJT2LY2BWHLYBD57P3/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V4QORERLPDN3UNNJFJSOMHZZCU2G75Q6/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Exploit",
            "Technical Description",
            "Third Party Advisory",
         ],
         url: "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1229",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://www.debian.org/security/2021/dsa-4945",
      },
   ],
   sourceIdentifier: "talos-cna@cisco.com",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-416",
            },
         ],
         source: "talos-cna@cisco.com",
         type: "Secondary",
      },
      {
         description: [
            {
               lang: "en",
               value: "CWE-416",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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.