Vulnerability-Lookup

FKIE_CVE-2020-8623

Vulnerability from fkie_nvd - Published: 2020-08-21 21:15 - Updated: 2026-06-17 03:26

Severity

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

In BIND 9.10.0 -> 9.11.21, 9.12.0 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.10.5-S1 -> 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker that can reach a vulnerable system with a specially crafted query packet can trigger a crash. To be vulnerable, the system must: * be running BIND that was built with "--enable-native-pkcs11" * be signing one or more zones with an RSA key * be able to receive queries from a possible attacker

References

URL	Tags
security-officer@isc.org	http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html	Mailing List, Third Party Advisory
security-officer@isc.org	http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html	Mailing List, Third Party Advisory
security-officer@isc.org	https://kb.isc.org/docs/cve-2020-8623	Vendor Advisory
security-officer@isc.org	https://lists.debian.org/debian-lts-announce/2020/08/msg00053.html	Mailing List, Third Party Advisory
security-officer@isc.org	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DQN62GBMCIC5AY4KYADGXNKVY6AJKSJE/
security-officer@isc.org	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZKAMJZXR66P6S5LEU4SN7USSNCWTXEXP/
security-officer@isc.org	https://security.gentoo.org/glsa/202008-19	Third Party Advisory
security-officer@isc.org	https://security.netapp.com/advisory/ntap-20200827-0003/	Third Party Advisory
security-officer@isc.org	https://usn.ubuntu.com/4468-1/	Third Party Advisory
security-officer@isc.org	https://www.debian.org/security/2020/dsa-4752	Third Party Advisory
security-officer@isc.org	https://www.synology.com/security/advisory/Synology_SA_20_19	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html	Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html	Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://kb.isc.org/docs/cve-2020-8623	Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://lists.debian.org/debian-lts-announce/2020/08/msg00053.html	Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DQN62GBMCIC5AY4KYADGXNKVY6AJKSJE/
af854a3a-2127-422b-91ae-364da2661108	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZKAMJZXR66P6S5LEU4SN7USSNCWTXEXP/
af854a3a-2127-422b-91ae-364da2661108	https://security.gentoo.org/glsa/202008-19	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://security.netapp.com/advisory/ntap-20200827-0003/	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://usn.ubuntu.com/4468-1/	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://www.debian.org/security/2020/dsa-4752	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://www.synology.com/security/advisory/Synology_SA_20_19	Third Party Advisory

Impacted products

Vendor	Product	Version
isc	bind	*
isc	bind	*
isc	bind	*
isc	bind	9.10.5
isc	bind	9.11.21
fedoraproject	fedora	31
fedoraproject	fedora	32
opensuse	leap	15.1
opensuse	leap	15.2
debian	debian_linux	9.0
debian	debian_linux	10.0
canonical	ubuntu_linux	16.04
canonical	ubuntu_linux	18.04
canonical	ubuntu_linux	20.04
synology	dns_server	*
netapp	steelstore_cloud_integrated_storage	-

JSON

To clipboard

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  "affected": [
    {
      "affectedData": [
        {
          "product": "BIND9",
          "vendor": "ISC",
          "versions": [
            {
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              "status": "affected",
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              "version": "unspecified",
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                  "status": "unaffected"
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In BIND 9.10.0 -\u003e 9.11.21, 9.12.0 -\u003e 9.16.5, 9.17.0 -\u003e 9.17.3, also affects 9.10.5-S1 -\u003e 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker that can reach a vulnerable system with a specially crafted query packet can trigger a crash. To be vulnerable, the system must: * be running BIND that was built with \"--enable-native-pkcs11\" * be signing one or more zones with an RSA key * be able to receive queries from a possible attacker"
    },
    {
      "lang": "es",
      "value": "En BIND versiones 9.10.0 -) 9.11.21, 9.12.0 -) 9.16.5, 9.17.0 -) 9.17.3, tambi\u00e9n afecta a versiones 9.10.5-S1 -) 9.11.21-S1 de BIND 9 Supported Preview Edition, un atacante que puede llegar a un sistema vulnerable con un paquete de consulta especialmente dise\u00f1ado puede desencadenar un bloqueo. Para ser vulnerable, el sistema debe: * estar ejecutando BIND que fue creado con \"--enable-native-pkcs11\" * estar firmando una o m\u00e1s zonas con una clave RSA * ser capaz de recibir consultas de un posible atacante"
    }
  ],
  "id": "CVE-2020-8623",
  "lastModified": "2026-06-17T03:26:40.120",
  "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": false
      }
    ],
    "cvssMetricV31": [
      {
        "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": "2020-08-21T21:15:12.327",
  "references": [
    {
      "source": "security-officer@isc.org",
      "tags": [
        "Mailing List",
        "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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      "url": "https://www.synology.com/security/advisory/Synology_SA_20_19"
    },
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      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZKAMJZXR66P6S5LEU4SN7USSNCWTXEXP/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://security.gentoo.org/glsa/202008-19"
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
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      "tags": [
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        "Third Party Advisory"
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "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"
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      "source": "nvd@nist.gov",
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}

CVE-2020-8623 (GCVE-0-2020-8623)

Vulnerability from cvelistv5 – Published: 2020-08-21 20:50 – Updated: 2024-09-17 03:19

Title

A flaw in native PKCS#11 code can lead to a remotely triggerable assertion failure in pk11.c

Summary

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

If BIND is built with "--enable-native-pkcs11" then a specially crafted query for a zone signed with RSA can trigger an assertion failure. Affects BIND 9.10.0 -> 9.11.21, 9.12.0 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.10.5-S1 -> 9.11.21-S1 of the BIND 9 Supported Preview Edition

Assigner

isc mitre root Scorecard

References

11 references

URL	Tags
https://kb.isc.org/docs/cve-2020-8623	x_refsource_CONFIRM
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://security.netapp.com/advisory/ntap-2020082…	x_refsource_CONFIRM
https://usn.ubuntu.com/4468-1/	vendor-advisoryx_refsource_UBUNTU
https://www.debian.org/security/2020/dsa-4752	vendor-advisoryx_refsource_DEBIAN
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST
https://security.gentoo.org/glsa/202008-19	vendor-advisoryx_refsource_GENTOO
https://www.synology.com/security/advisory/Synolo…	x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Impacted products

1 product

Vendor	Product	Version
ISC	BIND9	Affected: 9.10.0 , < unspecified (custom) Affected: unspecified , < 9.11.22 (custom) Affected: 9.12.0 , < unspecified (custom) Affected: unspecified , < 9.16.6 (custom) Affected: 9.17.0 , < unspecified (custom) Affected: unspecified , < 9.17.4 (custom) Affected: 9.10.5-S1 , < Supported Preview* (custom)

Date Public

2020-08-20 00:00

Credits

ISC would like to thank Lyu Chiy for bringing this vulnerability to our attention.

Show details on NVD website

JSON

To clipboard

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        "providerMetadata": {
          "dateUpdated": "2024-08-04T10:03:46.191Z",
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          "shortName": "CVE"
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        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://kb.isc.org/docs/cve-2020-8623"
          },
          {
            "name": "FEDORA-2020-a02b7a0f21",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DQN62GBMCIC5AY4KYADGXNKVY6AJKSJE/"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20200827-0003/"
          },
          {
            "name": "USN-4468-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/4468-1/"
          },
          {
            "name": "DSA-4752",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2020/dsa-4752"
          },
          {
            "name": "FEDORA-2020-14c194e5af",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZKAMJZXR66P6S5LEU4SN7USSNCWTXEXP/"
          },
          {
            "name": "[debian-lts-announce] 20200829 [SECURITY] [DLA 2355-1] bind9 security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2020/08/msg00053.html"
          },
          {
            "name": "GLSA-202008-19",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202008-19"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.synology.com/security/advisory/Synology_SA_20_19"
          },
          {
            "name": "openSUSE-SU-2020:1699",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html"
          },
          {
            "name": "openSUSE-SU-2020:1701",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "BIND9",
          "vendor": "ISC",
          "versions": [
            {
              "lessThan": "unspecified",
              "status": "affected",
              "version": "9.10.0",
              "versionType": "custom"
            },
            {
              "lessThan": "9.11.22",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            },
            {
              "lessThan": "unspecified",
              "status": "affected",
              "version": "9.12.0",
              "versionType": "custom"
            },
            {
              "lessThan": "9.16.6",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            },
            {
              "lessThan": "unspecified",
              "status": "affected",
              "version": "9.17.0",
              "versionType": "custom"
            },
            {
              "lessThan": "9.17.4",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            },
            {
              "changes": [
                {
                  "at": "9.11.22-S1",
                  "status": "unaffected"
                }
              ],
              "lessThan": "Supported Preview*",
              "status": "affected",
              "version": "9.10.5-S1",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "ISC would like to thank Lyu Chiy for bringing this vulnerability to our attention."
        }
      ],
      "datePublic": "2020-08-20T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "In BIND 9.10.0 -\u003e 9.11.21, 9.12.0 -\u003e 9.16.5, 9.17.0 -\u003e 9.17.3, also affects 9.10.5-S1 -\u003e 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker that can reach a vulnerable system with a specially crafted query packet can trigger a crash. To be vulnerable, the system must: * be running BIND that was built with \"--enable-native-pkcs11\" * be signing one or more zones with an RSA key * be able to receive queries from a possible attacker"
        }
      ],
      "exploits": [
        {
          "lang": "en",
          "value": "We are not aware of any active exploits."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "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"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "If BIND is built with \"--enable-native-pkcs11\" then a specially crafted query for a zone signed with RSA can trigger an assertion failure.  Affects BIND 9.10.0 -\u003e 9.11.21, 9.12.0 -\u003e 9.16.5, 9.17.0 -\u003e 9.17.3, also affects 9.10.5-S1 -\u003e 9.11.21-S1 of the BIND 9 Supported Preview Edition",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-10-20T11:06:36.000Z",
        "orgId": "404fd4d2-a609-4245-b543-2c944a302a22",
        "shortName": "isc"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://kb.isc.org/docs/cve-2020-8623"
        },
        {
          "name": "FEDORA-2020-a02b7a0f21",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DQN62GBMCIC5AY4KYADGXNKVY6AJKSJE/"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://security.netapp.com/advisory/ntap-20200827-0003/"
        },
        {
          "name": "USN-4468-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/4468-1/"
        },
        {
          "name": "DSA-4752",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "https://www.debian.org/security/2020/dsa-4752"
        },
        {
          "name": "FEDORA-2020-14c194e5af",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZKAMJZXR66P6S5LEU4SN7USSNCWTXEXP/"
        },
        {
          "name": "[debian-lts-announce] 20200829 [SECURITY] [DLA 2355-1] bind9 security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2020/08/msg00053.html"
        },
        {
          "name": "GLSA-202008-19",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/202008-19"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.synology.com/security/advisory/Synology_SA_20_19"
        },
        {
          "name": "openSUSE-SU-2020:1699",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html"
        },
        {
          "name": "openSUSE-SU-2020:1701",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to the patched release most closely related to your current version of BIND:\n\n    BIND 9.11.22\n    BIND 9.16.6\n    BIND 9.17.4\n\nBIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers.\n\n    BIND 9.11.22-S1"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "A flaw in native PKCS#11 code can lead to a remotely triggerable assertion failure in pk11.c",
      "workarounds": [
        {
          "lang": "en",
          "value": "No workarounds known."
        }
      ],
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security-officer@isc.org",
          "DATE_PUBLIC": "2020-08-20T18:35:08.000Z",
          "ID": "CVE-2020-8623",
          "STATE": "PUBLIC",
          "TITLE": "A flaw in native PKCS#11 code can lead to a remotely triggerable assertion failure in pk11.c"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "BIND9",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003e=",
                            "version_value": "9.10.0"
                          },
                          {
                            "version_affected": "\u003c",
                            "version_value": "9.11.22"
                          },
                          {
                            "version_affected": "\u003e=",
                            "version_value": "9.12.0"
                          },
                          {
                            "version_affected": "\u003c",
                            "version_value": "9.16.6"
                          },
                          {
                            "version_affected": "\u003e=",
                            "version_value": "9.17.0"
                          },
                          {
                            "version_affected": "\u003c",
                            "version_value": "9.17.4"
                          },
                          {
                            "version_affected": "\u003e=",
                            "version_name": "Supported Preview",
                            "version_value": "9.10.5-S1"
                          },
                          {
                            "version_affected": "\u003c",
                            "version_name": "Supported Preview",
                            "version_value": "9.11.22-S1"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "ISC"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "ISC would like to thank Lyu Chiy for bringing this vulnerability to our attention."
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "In BIND 9.10.0 -\u003e 9.11.21, 9.12.0 -\u003e 9.16.5, 9.17.0 -\u003e 9.17.3, also affects 9.10.5-S1 -\u003e 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker that can reach a vulnerable system with a specially crafted query packet can trigger a crash. To be vulnerable, the system must: * be running BIND that was built with \"--enable-native-pkcs11\" * be signing one or more zones with an RSA key * be able to receive queries from a possible attacker"
            }
          ]
        },
        "exploit": [
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            "value": "We are not aware of any active exploits."
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            "attackVector": "NETWORK",
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            "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"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
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                  "lang": "eng",
                  "value": "If BIND is built with \"--enable-native-pkcs11\" then a specially crafted query for a zone signed with RSA can trigger an assertion failure.  Affects BIND 9.10.0 -\u003e 9.11.21, 9.12.0 -\u003e 9.16.5, 9.17.0 -\u003e 9.17.3, also affects 9.10.5-S1 -\u003e 9.11.21-S1 of the BIND 9 Supported Preview Edition"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://kb.isc.org/docs/cve-2020-8623",
              "refsource": "CONFIRM",
              "url": "https://kb.isc.org/docs/cve-2020-8623"
            },
            {
              "name": "FEDORA-2020-a02b7a0f21",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DQN62GBMCIC5AY4KYADGXNKVY6AJKSJE/"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20200827-0003/",
              "refsource": "CONFIRM",
              "url": "https://security.netapp.com/advisory/ntap-20200827-0003/"
            },
            {
              "name": "USN-4468-1",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/4468-1/"
            },
            {
              "name": "DSA-4752",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2020/dsa-4752"
            },
            {
              "name": "FEDORA-2020-14c194e5af",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZKAMJZXR66P6S5LEU4SN7USSNCWTXEXP/"
            },
            {
              "name": "[debian-lts-announce] 20200829 [SECURITY] [DLA 2355-1] bind9 security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2020/08/msg00053.html"
            },
            {
              "name": "GLSA-202008-19",
              "refsource": "GENTOO",
              "url": "https://security.gentoo.org/glsa/202008-19"
            },
            {
              "name": "https://www.synology.com/security/advisory/Synology_SA_20_19",
              "refsource": "CONFIRM",
              "url": "https://www.synology.com/security/advisory/Synology_SA_20_19"
            },
            {
              "name": "openSUSE-SU-2020:1699",
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            },
            {
              "name": "openSUSE-SU-2020:1701",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html"
            }
          ]
        },
        "solution": [
          {
            "lang": "en",
            "value": "Upgrade to the patched release most closely related to your current version of BIND:\n\n    BIND 9.11.22\n    BIND 9.16.6\n    BIND 9.17.4\n\nBIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers.\n\n    BIND 9.11.22-S1"
          }
        ],
        "source": {
          "discovery": "UNKNOWN"
        },
        "work_around": [
          {
            "lang": "en",
            "value": "No workarounds known."
          }
        ]
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "404fd4d2-a609-4245-b543-2c944a302a22",
    "assignerShortName": "isc",
    "cveId": "CVE-2020-8623",
    "datePublished": "2020-08-21T20:50:19.797Z",
    "dateReserved": "2020-02-05T00:00:00.000Z",
    "dateUpdated": "2024-09-17T03:19:11.433Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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FKIE_CVE-2020-8623

CVE-2020-8623 (GCVE-0-2020-8623)

Tags

Sightings

Nomenclature

Related by attack behaviour