fkie_cve-2020-14354
Vulnerability from fkie_nvd
Published
2021-05-13 14:15
Modified
2024-11-21 05:03
Summary
A possible use-after-free and double-free in c-ares lib version 1.16.0 if ares_destroy() is called prior to ares_getaddrinfo() completing. This flaw possibly allows an attacker to crash the service that uses c-ares lib. The highest threat from this vulnerability is to this service availability.
Impacted products
Vendor Product Version
c-ares c-ares 1.16.0
fedoraproject fedora 33



{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:a:c-ares:c-ares:1.16.0:*:*:*:*:*:*:*",
                     matchCriteriaId: "59640538-D3DC-457C-B042-5D2B8F445A46",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
                     matchCriteriaId: "E460AA51-FCDA-46B9-AE97-E6676AA5E194",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "A possible use-after-free and double-free in c-ares lib version 1.16.0 if ares_destroy() is called prior to ares_getaddrinfo() completing. This flaw possibly allows an attacker to crash the service that uses c-ares lib. The highest threat from this vulnerability is to this service availability.",
      },
      {
         lang: "es",
         value: "Un posible uso de la memoria previamente liberada y una doble liberación en c-ares lib versión 1.16.0, si la función ares_destroy() es llamado antes de completar la función ares_getaddrinfo(). Este fallo posiblemente permite a un atacante bloquear el servicio que usa c-ares lib. La mayor amenaza de esta vulnerabilidad es la disponibilidad de este servicio",
      },
   ],
   id: "CVE-2020-14354",
   lastModified: "2024-11-21T05:03:04.703",
   metrics: {
      cvssMetricV2: [
         {
            acInsufInfo: false,
            baseSeverity: "LOW",
            cvssData: {
               accessComplexity: "LOW",
               accessVector: "LOCAL",
               authentication: "NONE",
               availabilityImpact: "PARTIAL",
               baseScore: 2.1,
               confidentialityImpact: "NONE",
               integrityImpact: "NONE",
               vectorString: "AV:L/AC:L/Au:N/C:N/I:N/A:P",
               version: "2.0",
            },
            exploitabilityScore: 3.9,
            impactScore: 2.9,
            obtainAllPrivilege: false,
            obtainOtherPrivilege: false,
            obtainUserPrivilege: false,
            source: "nvd@nist.gov",
            type: "Primary",
            userInteractionRequired: false,
         },
      ],
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "LOCAL",
               availabilityImpact: "LOW",
               baseScore: 3.3,
               baseSeverity: "LOW",
               confidentialityImpact: "NONE",
               integrityImpact: "NONE",
               privilegesRequired: "LOW",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
               version: "3.1",
            },
            exploitabilityScore: 1.8,
            impactScore: 1.4,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2021-05-13T14:15:17.503",
   references: [
      {
         source: "secalert@redhat.com",
         tags: [
            "Exploit",
            "Issue Tracking",
            "Patch",
            "Third Party Advisory",
         ],
         url: "https://bugzilla.redhat.com/show_bug.cgi?id=1866838",
      },
      {
         source: "secalert@redhat.com",
         tags: [
            "Release Notes",
            "Vendor Advisory",
         ],
         url: "https://c-ares.haxx.se/changelog.html",
      },
      {
         source: "secalert@redhat.com",
         tags: [
            "Patch",
            "Third Party Advisory",
         ],
         url: "https://github.com/c-ares/c-ares/commit/1cc7e83c3bdfaafbc5919c95025592d8de3a170e",
      },
      {
         source: "secalert@redhat.com",
         url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4OOYAMJVLLCLXDTHW3V5UXNULZBBK4O6/",
      },
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            "Issue Tracking",
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         url: "https://bugzilla.redhat.com/show_bug.cgi?id=1866838",
      },
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         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
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            "Vendor Advisory",
         ],
         url: "https://c-ares.haxx.se/changelog.html",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Patch",
            "Third Party Advisory",
         ],
         url: "https://github.com/c-ares/c-ares/commit/1cc7e83c3bdfaafbc5919c95025592d8de3a170e",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4OOYAMJVLLCLXDTHW3V5UXNULZBBK4O6/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
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            "Third Party Advisory",
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         ],
         url: "https://packetstormsecurity.com/files/158755/GS20200804145053.txt",
      },
   ],
   sourceIdentifier: "secalert@redhat.com",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-120",
            },
         ],
         source: "secalert@redhat.com",
         type: "Secondary",
      },
      {
         description: [
            {
               lang: "en",
               value: "CWE-415",
            },
            {
               lang: "en",
               value: "CWE-416",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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