fkie_cve-2020-8625
Vulnerability from fkie_nvd
Published
2021-02-17 23:15
Modified
2024-11-21 05:39
Severity ?
8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
BIND servers are vulnerable if they are running an affected version and are configured to use GSS-TSIG features. In a configuration which uses BIND's default settings the vulnerable code path is not exposed, but a server can be rendered vulnerable by explicitly setting valid values for the tkey-gssapi-keytab or tkey-gssapi-credentialconfiguration options. Although the default configuration is not vulnerable, GSS-TSIG is frequently used in networks where BIND is integrated with Samba, as well as in mixed-server environments that combine BIND servers with Active Directory domain controllers. The most likely outcome of a successful exploitation of the vulnerability is a crash of the named process. However, remote code execution, while unproven, is theoretically possible. Affects: BIND 9.5.0 -> 9.11.27, 9.12.0 -> 9.16.11, and versions BIND 9.11.3-S1 -> 9.11.27-S1 and 9.16.8-S1 -> 9.16.11-S1 of BIND Supported Preview Edition. Also release versions 9.17.0 -> 9.17.1 of the BIND 9.17 development branch
References
security-officer@isc.orghttp://www.openwall.com/lists/oss-security/2021/02/19/1Mailing List, Patch, Third Party Advisory
security-officer@isc.orghttp://www.openwall.com/lists/oss-security/2021/02/20/2Mailing List, Patch, Third Party Advisory
security-officer@isc.orghttps://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdfPatch, Third Party Advisory
security-officer@isc.orghttps://kb.isc.org/v1/docs/cve-2020-8625Mitigation, Vendor Advisory
security-officer@isc.orghttps://lists.debian.org/debian-lts-announce/2021/02/msg00029.htmlMailing List, Third Party Advisory
security-officer@isc.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EBTPWRQWRQEJNWY4NHO4WLS4KLJ3ERHZ/
security-officer@isc.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KYXAF7G45RXDVNUTWWCI2CVTHRZ67LST/
security-officer@isc.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QWCMBOSZOJIIET7BWTRYS3HLX5TSDKHX/
security-officer@isc.orghttps://security.netapp.com/advisory/ntap-20210319-0001/Third Party Advisory
security-officer@isc.orghttps://www.debian.org/security/2021/dsa-4857Third Party Advisory
security-officer@isc.orghttps://www.zerodayinitiative.com/advisories/ZDI-21-195/Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2021/02/19/1Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2021/02/20/2Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdfPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://kb.isc.org/v1/docs/cve-2020-8625Mitigation, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2021/02/msg00029.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EBTPWRQWRQEJNWY4NHO4WLS4KLJ3ERHZ/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KYXAF7G45RXDVNUTWWCI2CVTHRZ67LST/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QWCMBOSZOJIIET7BWTRYS3HLX5TSDKHX/
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20210319-0001/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2021/dsa-4857Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.zerodayinitiative.com/advisories/ZDI-21-195/Third Party Advisory, VDB Entry
Impacted products
Vendor Product Version
isc bind *
isc bind *
isc bind 9.11.3
isc bind 9.11.5
isc bind 9.11.5
isc bind 9.11.6
isc bind 9.11.7
isc bind 9.11.8
isc bind 9.11.21
isc bind 9.11.27
isc bind 9.16.8
isc bind 9.16.11
isc bind 9.17.0
isc bind 9.17.1
debian debian_linux 9.0
debian debian_linux 10.0
fedoraproject fedora 32
fedoraproject fedora 33
fedoraproject fedora 34
siemens sinec_infrastructure_network_services *
netapp cloud_backup -
netapp a250_firmware -
netapp a250 -
netapp 500f_firmware -
netapp 500f -


To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "BIND servers are vulnerable if they are running an affected version and are configured to use GSS-TSIG features. In a configuration which uses BIND\u0027s default settings the vulnerable code path is not exposed, but a server can be rendered vulnerable by explicitly setting valid values for the tkey-gssapi-keytab or tkey-gssapi-credentialconfiguration options. Although the default configuration is not vulnerable, GSS-TSIG is frequently used in networks where BIND is integrated with Samba, as well as in mixed-server environments that combine BIND servers with Active Directory domain controllers. The most likely outcome of a successful exploitation of the vulnerability is a crash of the named process. However, remote code execution, while unproven, is theoretically possible. Affects: BIND 9.5.0 -\u003e 9.11.27, 9.12.0 -\u003e 9.16.11, and versions BIND 9.11.3-S1 -\u003e 9.11.27-S1 and 9.16.8-S1 -\u003e 9.16.11-S1 of BIND Supported Preview Edition. Also release versions 9.17.0 -\u003e 9.17.1 of the BIND 9.17 development branch"
    },
    {
      "lang": "es",
      "value": "Los servidores BIND son vulnerables si ejecutan una versi\u00f3n afectada y est\u00e1n configurados para usar las funcionalidades GSS-TSIG.\u0026#xa0;En una configuraci\u00f3n que usa la configuraci\u00f3n predeterminada de BIND, la ruta del c\u00f3digo vulnerable no est\u00e1 expuesta, pero un servidor puede volverse vulnerable estableciendo expl\u00edcitamente valores v\u00e1lidos para las opciones de configuraci\u00f3n tkey-gssapi-keytab o tkey-gssapi-credential.\u0026#xa0;Aunque la configuraci\u00f3n predeterminada no es vulnerable, GSS-TSIG se usa con frecuencia en redes donde BIND est\u00e1 integrado con Samba, as\u00ed como entornos de servidores mixtos que combinan servidores BIND con controladores de dominio de Active Directory.\u0026#xa0;El resultado m\u00e1s probable de una explotaci\u00f3n con \u00e9xito de la vulnerabilidad es un bloqueo del proceso nombrado.\u0026#xa0;Sin embargo, la ejecuci\u00f3n de c\u00f3digo remota, aunque no est\u00e1 probada, es te\u00f3ricamente posible.\u0026#xa0;Afecta: BIND versiones 9.5.0 hasta 9.11.27, versiones 9.12.0 hasta 9.16.11 y versiones de BIND 9.11.3-S1 hasta 9.11.27-S1 y versiones 9.16.8-S1 hasta 9.16.11-S1 de BIND Supported Preview Edition.\u0026#xa0;Tambi\u00e9n versiones de lanzamiento 9.17.0 hasta 9.17.1 de la rama de desarrollo de BIND versi\u00f3n 9.17"
    }
  ],
  "id": "CVE-2020-8625",
  "lastModified": "2024-11-21T05:39:09.040",
  "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
      }
    ],
    "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": "security-officer@isc.org",
        "type": "Secondary"
      },
      {
        "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"
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        "exploitabilityScore": 2.2,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-02-17T23:15:13.530",
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        "Patch",
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    {
      "source": "security-officer@isc.org",
      "tags": [
        "Patch",
        "Third Party Advisory"
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    {
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      "tags": [
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      "url": "https://kb.isc.org/v1/docs/cve-2020-8625"
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    },
    {
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    {
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    {
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      "url": "https://www.debian.org/security/2021/dsa-4857"
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      "source": "security-officer@isc.org",
      "tags": [
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    {
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      "tags": [
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      "url": "https://lists.debian.org/debian-lts-announce/2021/02/msg00029.html"
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    {
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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    {
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        "Third Party Advisory"
      ],
      "url": "https://www.debian.org/security/2021/dsa-4857"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-195/"
    }
  ],
  "sourceIdentifier": "security-officer@isc.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.