fkie_cve-2020-12387
Vulnerability from fkie_nvd
Published
2020-05-26 18:15
Modified
2024-11-21 04:59
Summary
A race condition when running shutdown code for Web Worker led to a use-after-free vulnerability. This resulted in a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.
Impacted products
Vendor Product Version
mozilla firefox *
mozilla firefox_esr *
mozilla thunderbird *



{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "5D1E5067-8D55-4C70-B5D2-31BAB1D22F50",
                     versionEndExcluding: "76.0",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "B606E5B1-C0CA-4673-9FBA-59E0C869F2C4",
                     versionEndExcluding: "68.8.0",
                     vulnerable: true,
                  },
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                     criteria: "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "E93B3D35-5D8E-4583-922F-D391CB7B992D",
                     versionEndExcluding: "68.8.0",
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               negate: false,
               operator: "OR",
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   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "A race condition when running shutdown code for Web Worker led to a use-after-free vulnerability. This resulted in a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.",
      },
      {
         lang: "es",
         value: "Una condición de carrera cuando se ejecuta el código shutdown para Web Worker conllevo a una vulnerabilidad de uso de la memoria previamente liberada. Esto resultó en un bloqueo potencialmente explotable. Esta vulnerabilidad afecta a Firefox ESR versiones anteriores a 68.8, Firefox versiones anteriores a 76 y Thunderbird versiones anteriores a 68.8.0.",
      },
   ],
   id: "CVE-2020-12387",
   lastModified: "2024-11-21T04:59:37.170",
   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: false,
         },
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      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "HIGH",
               attackVector: "NETWORK",
               availabilityImpact: "HIGH",
               baseScore: 8.1,
               baseSeverity: "HIGH",
               confidentialityImpact: "HIGH",
               integrityImpact: "HIGH",
               privilegesRequired: "NONE",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
               version: "3.1",
            },
            exploitabilityScore: 2.2,
            impactScore: 5.9,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2020-05-26T18:15:10.980",
   references: [
      {
         source: "security@mozilla.org",
         tags: [
            "Issue Tracking",
            "Permissions Required",
         ],
         url: "https://bugzilla.mozilla.org/show_bug.cgi?id=1545345",
      },
      {
         source: "security@mozilla.org",
         tags: [
            "Third Party Advisory",
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         url: "https://security.gentoo.org/glsa/202005-03",
      },
      {
         source: "security@mozilla.org",
         tags: [
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         url: "https://security.gentoo.org/glsa/202005-04",
      },
      {
         source: "security@mozilla.org",
         tags: [
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         url: "https://usn.ubuntu.com/4373-1/",
      },
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         source: "security@mozilla.org",
         tags: [
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         url: "https://www.mozilla.org/security/advisories/mfsa2020-16/",
      },
      {
         source: "security@mozilla.org",
         tags: [
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         url: "https://www.mozilla.org/security/advisories/mfsa2020-17/",
      },
      {
         source: "security@mozilla.org",
         tags: [
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      },
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      },
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         source: "af854a3a-2127-422b-91ae-364da2661108",
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      },
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         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
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         url: "https://www.mozilla.org/security/advisories/mfsa2020-18/",
      },
   ],
   sourceIdentifier: "security@mozilla.org",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-362",
            },
            {
               lang: "en",
               value: "CWE-416",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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