fkie_cve-2021-23953
Vulnerability from fkie_nvd
Published
2021-02-26 03:15
Modified
2024-11-21 05:52
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Summary
If a user clicked into a specifically crafted PDF, the PDF reader could be confused into leaking cross-origin information, when said information is served as chunked data. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.
References
security@mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1683940Issue Tracking, Permissions Required, Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2021-03/Release Notes, Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2021-04/Release Notes, Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2021-05/Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.mozilla.org/show_bug.cgi?id=1683940Issue Tracking, Permissions Required, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2021-03/Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2021-04/Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2021-05/Release Notes, 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: "403EA47E-6B2D-4082-BFF2-E764C8356854",
                     versionEndExcluding: "85.0",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "0D2BEE15-C7C8-4C7C-A4A1-EFB496D75197",
                     versionEndExcluding: "78.7",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "80722896-DAE4-42FB-BF86-D609EEDEE5B9",
                     versionEndExcluding: "78.7",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "If a user clicked into a specifically crafted PDF, the PDF reader could be confused into leaking cross-origin information, when said information is served as chunked data. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.",
      },
      {
         lang: "es",
         value: "Si un usuario hace clic en un PDF diseñado específicamente, el lector de PDF podría confundirse y filtrar información de origen cruzado, cuando dicha información es servida como datos fragmentados.&#xa0;Esta vulnerabilidad afecta a Firefox versiones anteriores a 85, Thunderbird versiones anteriores a 78,7 y Firefox ESR versiones anteriores a 78,7",
      },
   ],
   id: "CVE-2021-23953",
   lastModified: "2024-11-21T05:52:05.647",
   metrics: {
      cvssMetricV2: [
         {
            acInsufInfo: false,
            baseSeverity: "MEDIUM",
            cvssData: {
               accessComplexity: "MEDIUM",
               accessVector: "NETWORK",
               authentication: "NONE",
               availabilityImpact: "NONE",
               baseScore: 4.3,
               confidentialityImpact: "PARTIAL",
               integrityImpact: "NONE",
               vectorString: "AV:N/AC:M/Au:N/C:P/I:N/A:N",
               version: "2.0",
            },
            exploitabilityScore: 8.6,
            impactScore: 2.9,
            obtainAllPrivilege: false,
            obtainOtherPrivilege: false,
            obtainUserPrivilege: false,
            source: "nvd@nist.gov",
            type: "Primary",
            userInteractionRequired: true,
         },
      ],
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "NETWORK",
               availabilityImpact: "NONE",
               baseScore: 4.3,
               baseSeverity: "MEDIUM",
               confidentialityImpact: "LOW",
               integrityImpact: "NONE",
               privilegesRequired: "NONE",
               scope: "UNCHANGED",
               userInteraction: "REQUIRED",
               vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
               version: "3.1",
            },
            exploitabilityScore: 2.8,
            impactScore: 1.4,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2021-02-26T03:15:13.433",
   references: [
      {
         source: "security@mozilla.org",
         tags: [
            "Issue Tracking",
            "Permissions Required",
            "Vendor Advisory",
         ],
         url: "https://bugzilla.mozilla.org/show_bug.cgi?id=1683940",
      },
      {
         source: "security@mozilla.org",
         tags: [
            "Release Notes",
            "Vendor Advisory",
         ],
         url: "https://www.mozilla.org/security/advisories/mfsa2021-03/",
      },
      {
         source: "security@mozilla.org",
         tags: [
            "Release Notes",
            "Vendor Advisory",
         ],
         url: "https://www.mozilla.org/security/advisories/mfsa2021-04/",
      },
      {
         source: "security@mozilla.org",
         tags: [
            "Release Notes",
            "Vendor Advisory",
         ],
         url: "https://www.mozilla.org/security/advisories/mfsa2021-05/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Issue Tracking",
            "Permissions Required",
            "Vendor Advisory",
         ],
         url: "https://bugzilla.mozilla.org/show_bug.cgi?id=1683940",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Release Notes",
            "Vendor Advisory",
         ],
         url: "https://www.mozilla.org/security/advisories/mfsa2021-03/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Release Notes",
            "Vendor Advisory",
         ],
         url: "https://www.mozilla.org/security/advisories/mfsa2021-04/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Release Notes",
            "Vendor Advisory",
         ],
         url: "https://www.mozilla.org/security/advisories/mfsa2021-05/",
      },
   ],
   sourceIdentifier: "security@mozilla.org",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "NVD-CWE-noinfo",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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