fkie_cve-2020-26971
Vulnerability from fkie_nvd
Published
2021-01-07 14:15
Modified
2024-11-21 05:20
Severity ?
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
Certain blit values provided by the user were not properly constrained leading to a heap buffer overflow on some video drivers. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.
References
security@mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1663466Permissions Required, Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2020-54/Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2020-55/Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2020-56/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.mozilla.org/show_bug.cgi?id=1663466Permissions Required, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2020-54/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2020-55/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2020-56/Vendor Advisory
Impacted products
Vendor Product Version
mozilla firefox *
mozilla firefox_esr *
mozilla thunderbird *


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "85154F06-6654-493F-8630-38637ED7D8D0",
                     versionEndExcluding: "84.0",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "4535E34E-E949-48ED-A8F5-7D93B4731EA6",
                     versionEndExcluding: "78.6.0",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "048CBDDB-2C1B-415B-8DF9-54C002236180",
                     versionEndExcluding: "78.6.0",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "Certain blit values provided by the user were not properly constrained leading to a heap buffer overflow on some video drivers. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.",
      },
      {
         lang: "es",
         value: "Determinados valores de blit proporcionados por el usuario no se restringieron apropiadamente, conllevando a un desbordamiento del búfer de pila en algunos controladores de video.&#xa0;Esta vulnerabilidad afecta a Firefox versiones anteriores a 84, Thunderbird versiones anteriores a 78,6 y Firefox ESR versiones anteriores a 78,6",
      },
   ],
   id: "CVE-2020-26971",
   lastModified: "2024-11-21T05:20:36.220",
   metrics: {
      cvssMetricV2: [
         {
            acInsufInfo: false,
            baseSeverity: "MEDIUM",
            cvssData: {
               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,
            source: "nvd@nist.gov",
            type: "Primary",
            userInteractionRequired: true,
         },
      ],
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "NETWORK",
               availabilityImpact: "HIGH",
               baseScore: 8.8,
               baseSeverity: "HIGH",
               confidentialityImpact: "HIGH",
               integrityImpact: "HIGH",
               privilegesRequired: "NONE",
               scope: "UNCHANGED",
               userInteraction: "REQUIRED",
               vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
               version: "3.1",
            },
            exploitabilityScore: 2.8,
            impactScore: 5.9,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2021-01-07T14:15:11.673",
   references: [
      {
         source: "security@mozilla.org",
         tags: [
            "Permissions Required",
            "Vendor Advisory",
         ],
         url: "https://bugzilla.mozilla.org/show_bug.cgi?id=1663466",
      },
      {
         source: "security@mozilla.org",
         tags: [
            "Vendor Advisory",
         ],
         url: "https://www.mozilla.org/security/advisories/mfsa2020-54/",
      },
      {
         source: "security@mozilla.org",
         tags: [
            "Vendor Advisory",
         ],
         url: "https://www.mozilla.org/security/advisories/mfsa2020-55/",
      },
      {
         source: "security@mozilla.org",
         tags: [
            "Vendor Advisory",
         ],
         url: "https://www.mozilla.org/security/advisories/mfsa2020-56/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Permissions Required",
            "Vendor Advisory",
         ],
         url: "https://bugzilla.mozilla.org/show_bug.cgi?id=1663466",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Vendor Advisory",
         ],
         url: "https://www.mozilla.org/security/advisories/mfsa2020-54/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Vendor Advisory",
         ],
         url: "https://www.mozilla.org/security/advisories/mfsa2020-55/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Vendor Advisory",
         ],
         url: "https://www.mozilla.org/security/advisories/mfsa2020-56/",
      },
   ],
   sourceIdentifier: "security@mozilla.org",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-787",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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