fkie_cve-2020-8620
Vulnerability from fkie_nvd
Published
2020-08-21 21:15
Modified
2024-11-21 05:39
Summary
In BIND 9.15.6 -> 9.16.5, 9.17.0 -> 9.17.3, An attacker who can establish a TCP connection with the server and send data on that connection can exploit this to trigger the assertion failure, causing the server to exit.
Impacted products



{
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            {
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                     versionEndIncluding: "9.16.5",
                     versionStartIncluding: "9.15.6",
                     vulnerable: true,
                  },
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                     criteria: "cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "85031A21-4F54-4CE6-B0F3-66D09928FF3C",
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   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "In BIND 9.15.6 -> 9.16.5, 9.17.0 -> 9.17.3, An attacker who can establish a TCP connection with the server and send data on that connection can exploit this to trigger the assertion failure, causing the server to exit.",
      },
      {
         lang: "es",
         value: "En BIND versiones 9.15.6 -) 9.16.5, 9.17.0 -) 9.17.3, un atacante que puede establecer una conexión TCP con el servidor y enviar datos en esa conexión puede explotar esto para desencadenar el fallo de aserción, causando la salida del servidor.",
      },
   ],
   id: "CVE-2020-8620",
   lastModified: "2024-11-21T05:39:08.367",
   metrics: {
      cvssMetricV2: [
         {
            acInsufInfo: false,
            baseSeverity: "MEDIUM",
            cvssData: {
               accessComplexity: "LOW",
               accessVector: "NETWORK",
               authentication: "NONE",
               availabilityImpact: "PARTIAL",
               baseScore: 5,
               confidentialityImpact: "NONE",
               integrityImpact: "NONE",
               vectorString: "AV:N/AC:L/Au:N/C:N/I:N/A:P",
               version: "2.0",
            },
            exploitabilityScore: 10,
            impactScore: 2.9,
            obtainAllPrivilege: false,
            obtainOtherPrivilege: false,
            obtainUserPrivilege: false,
            source: "nvd@nist.gov",
            type: "Primary",
            userInteractionRequired: false,
         },
      ],
      cvssMetricV31: [
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            cvssData: {
               attackComplexity: "LOW",
               attackVector: "NETWORK",
               availabilityImpact: "HIGH",
               baseScore: 7.5,
               baseSeverity: "HIGH",
               confidentialityImpact: "NONE",
               integrityImpact: "NONE",
               privilegesRequired: "NONE",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
               version: "3.1",
            },
            exploitabilityScore: 3.9,
            impactScore: 3.6,
            source: "security-officer@isc.org",
            type: "Secondary",
         },
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "NETWORK",
               availabilityImpact: "HIGH",
               baseScore: 7.5,
               baseSeverity: "HIGH",
               confidentialityImpact: "NONE",
               integrityImpact: "NONE",
               privilegesRequired: "NONE",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
               version: "3.1",
            },
            exploitabilityScore: 3.9,
            impactScore: 3.6,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2020-08-21T21:15:12.090",
   references: [
      {
         source: "security-officer@isc.org",
         tags: [
            "Third Party Advisory",
         ],
         url: "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html",
      },
      {
         source: "security-officer@isc.org",
         tags: [
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         ],
         url: "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html",
      },
      {
         source: "security-officer@isc.org",
         tags: [
            "Vendor Advisory",
         ],
         url: "https://kb.isc.org/docs/cve-2020-8620",
      },
      {
         source: "security-officer@isc.org",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://security.gentoo.org/glsa/202008-19",
      },
      {
         source: "security-officer@isc.org",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://security.netapp.com/advisory/ntap-20200827-0003/",
      },
      {
         source: "security-officer@isc.org",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://usn.ubuntu.com/4468-1/",
      },
      {
         source: "security-officer@isc.org",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://www.synology.com/security/advisory/Synology_SA_20_19",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
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      },
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         tags: [
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         url: "https://kb.isc.org/docs/cve-2020-8620",
      },
      {
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         tags: [
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         url: "https://security.gentoo.org/glsa/202008-19",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
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      },
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         tags: [
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         url: "https://usn.ubuntu.com/4468-1/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
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         ],
         url: "https://www.synology.com/security/advisory/Synology_SA_20_19",
      },
   ],
   sourceIdentifier: "security-officer@isc.org",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-617",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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