fkie_cve-2020-8622
Vulnerability from fkie_nvd
Published
2020-08-21 21:15
Modified
2024-11-21 05:39
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In BIND 9.0.0 -> 9.11.21, 9.12.0 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.9.3-S1 -> 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker on the network path for a TSIG-signed request, or operating the server receiving the TSIG-signed request, could send a truncated response to that request, triggering an assertion failure, causing the server to exit. Alternately, an off-path attacker would have to correctly guess when a TSIG-signed request was sent, along with other characteristics of the packet and message, and spoof a truncated response to trigger an assertion failure, causing the server to exit.
References
security-officer@isc.orghttp://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.htmlMailing List, Third Party Advisory
security-officer@isc.orghttp://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.htmlMailing List, Third Party Advisory
security-officer@isc.orghttps://kb.isc.org/docs/cve-2020-8622Vendor Advisory
security-officer@isc.orghttps://lists.debian.org/debian-lts-announce/2020/08/msg00053.htmlMailing List, Third Party Advisory
security-officer@isc.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DQN62GBMCIC5AY4KYADGXNKVY6AJKSJE/
security-officer@isc.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZKAMJZXR66P6S5LEU4SN7USSNCWTXEXP/
security-officer@isc.orghttps://security.gentoo.org/glsa/202008-19Third Party Advisory
security-officer@isc.orghttps://security.netapp.com/advisory/ntap-20200827-0003/Third Party Advisory
security-officer@isc.orghttps://usn.ubuntu.com/4468-1/Third Party Advisory
security-officer@isc.orghttps://usn.ubuntu.com/4468-2/Third Party Advisory
security-officer@isc.orghttps://www.debian.org/security/2020/dsa-4752Third Party Advisory
security-officer@isc.orghttps://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory
security-officer@isc.orghttps://www.synology.com/security/advisory/Synology_SA_20_19Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://kb.isc.org/docs/cve-2020-8622Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/08/msg00053.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DQN62GBMCIC5AY4KYADGXNKVY6AJKSJE/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZKAMJZXR66P6S5LEU4SN7USSNCWTXEXP/
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202008-19Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20200827-0003/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4468-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4468-2/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2020/dsa-4752Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.synology.com/security/advisory/Synology_SA_20_19Third Party Advisory
Impacted products
Vendor Product Version
isc bind *
isc bind *
isc bind *
isc bind 9.9.3
isc bind 9.11.21
fedoraproject fedora 31
fedoraproject fedora 32
debian debian_linux 9.0
debian debian_linux 10.0
canonical ubuntu_linux 12.04
canonical ubuntu_linux 14.04
canonical ubuntu_linux 16.04
canonical ubuntu_linux 18.04
canonical ubuntu_linux 20.04
netapp steelstore_cloud_integrated_storage -
opensuse leap 15.1
opensuse leap 15.2
synology dns_server *
oracle communications_diameter_signaling_router *


To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In BIND 9.0.0 -\u003e 9.11.21, 9.12.0 -\u003e 9.16.5, 9.17.0 -\u003e 9.17.3, also affects 9.9.3-S1 -\u003e 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker on the network path for a TSIG-signed request, or operating the server receiving the TSIG-signed request, could send a truncated response to that request, triggering an assertion failure, causing the server to exit. Alternately, an off-path attacker would have to correctly guess when a TSIG-signed request was sent, along with other characteristics of the packet and message, and spoof a truncated response to trigger an assertion failure, causing the server to exit."
    },
    {
      "lang": "es",
      "value": "En BIND versiones 9.0.0 -) 9.11.21, 9.12.0 -) 9.16.5, 9.17.0 -) 9.17.3, tambi\u00e9n afecta a versiones 9.9.3-S1 -) 9.11.21-S1 de BIND 9 Supported Preview Edition, un atacante sobre la ruta de la red para una petici\u00f3n firmada por TSIG, u operando el servidor que recibe la petici\u00f3n firmada por TSIG, podr\u00eda enviar una respuesta truncada a esa petici\u00f3n, desencadenando un fallo de aserci\u00f3n y causando que el servidor salga. Alternativamente, un atacante fuera de la ruta tendr\u00eda que adivinar correctamente cu\u00e1ndo fue enviada una petici\u00f3n firmada por TSIG, junto con otras caracter\u00edsticas del paquete y mensaje, y falsificar una respuesta truncada para desencadenar un fallo de aserci\u00f3n, causando la salida del servidor."
    }
  ],
  "id": "CVE-2020-8622",
  "lastModified": "2024-11-21T05:39:08.607",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
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          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
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    "cvssMetricV31": [
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        "cvssData": {
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          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
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        "source": "security-officer@isc.org",
        "type": "Secondary"
      },
      {
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          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-08-21T21:15:12.247",
  "references": [
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      "source": "security-officer@isc.org",
      "tags": [
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        "Third Party Advisory"
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      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html"
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    {
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    {
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      "url": "https://security.netapp.com/advisory/ntap-20200827-0003/"
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      "tags": [
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    {
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    {
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    {
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    {
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      "tags": [
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      "url": "https://usn.ubuntu.com/4468-2/"
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    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://www.debian.org/security/2020/dsa-4752"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
    },
    {
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      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.synology.com/security/advisory/Synology_SA_20_19"
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  ],
  "sourceIdentifier": "security-officer@isc.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-617"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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