fkie_cve-2020-6795
Vulnerability from fkie_nvd
Published
2020-03-02 05:15
Modified
2024-11-21 05:36
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Summary
When processing a message that contains multiple S/MIME signatures, a bug in the MIME processing code caused a null pointer dereference, leading to an unexploitable crash. This vulnerability affects Thunderbird < 68.5.
References
security@mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1611105Permissions Required
security@mozilla.orghttps://security.gentoo.org/glsa/202003-10
security@mozilla.orghttps://usn.ubuntu.com/4328-1/
security@mozilla.orghttps://usn.ubuntu.com/4335-1/
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2020-07/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.mozilla.org/show_bug.cgi?id=1611105Permissions Required
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202003-10
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4328-1/
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4335-1/
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2020-07/Vendor Advisory
Impacted products
Vendor Product Version
mozilla thunderbird *


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "BED2E060-4B8C-403F-B1E9-D45E2511D1CA",
                     versionEndExcluding: "68.5.0",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "When processing a message that contains multiple S/MIME signatures, a bug in the MIME processing code caused a null pointer dereference, leading to an unexploitable crash. This vulnerability affects Thunderbird < 68.5.",
      },
      {
         lang: "es",
         value: "Cuando se procesa un mensaje que contiene múltiples firmas S/MIME, un bug en el código de procesamiento de MIME causó una desreferencia de puntero null, conllevando a un bloqueo sin explotar. Esta vulnerabilidad afecta a Thunderbird versiones anteriores a 68.5.",
      },
   ],
   id: "CVE-2020-6795",
   lastModified: "2024-11-21T05:36:11.830",
   metrics: {
      cvssMetricV2: [
         {
            acInsufInfo: false,
            baseSeverity: "MEDIUM",
            cvssData: {
               accessComplexity: "MEDIUM",
               accessVector: "NETWORK",
               authentication: "NONE",
               availabilityImpact: "PARTIAL",
               baseScore: 4.3,
               confidentialityImpact: "NONE",
               integrityImpact: "NONE",
               vectorString: "AV:N/AC:M/Au:N/C:N/I:N/A:P",
               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: "HIGH",
               baseScore: 6.5,
               baseSeverity: "MEDIUM",
               confidentialityImpact: "NONE",
               integrityImpact: "NONE",
               privilegesRequired: "NONE",
               scope: "UNCHANGED",
               userInteraction: "REQUIRED",
               vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
               version: "3.1",
            },
            exploitabilityScore: 2.8,
            impactScore: 3.6,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2020-03-02T05:15:12.353",
   references: [
      {
         source: "security@mozilla.org",
         tags: [
            "Permissions Required",
         ],
         url: "https://bugzilla.mozilla.org/show_bug.cgi?id=1611105",
      },
      {
         source: "security@mozilla.org",
         url: "https://security.gentoo.org/glsa/202003-10",
      },
      {
         source: "security@mozilla.org",
         url: "https://usn.ubuntu.com/4328-1/",
      },
      {
         source: "security@mozilla.org",
         url: "https://usn.ubuntu.com/4335-1/",
      },
      {
         source: "security@mozilla.org",
         tags: [
            "Vendor Advisory",
         ],
         url: "https://www.mozilla.org/security/advisories/mfsa2020-07/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Permissions Required",
         ],
         url: "https://bugzilla.mozilla.org/show_bug.cgi?id=1611105",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "https://security.gentoo.org/glsa/202003-10",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "https://usn.ubuntu.com/4328-1/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "https://usn.ubuntu.com/4335-1/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Vendor Advisory",
         ],
         url: "https://www.mozilla.org/security/advisories/mfsa2020-07/",
      },
   ],
   sourceIdentifier: "security@mozilla.org",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-476",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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