Vulnerability-Lookup

ubuntu-cve-2020-8622

Vulnerability from osv_ubuntu

Published

2020-08-20 00:00

Modified

2026-04-22 07:39

Summary

Details

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.

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

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2020-8622	REPORT
	https://kb.isc.org/docs/cve-2020-8622	REPORT
	https://ubuntu.com/security/notices/USN-4468-1	ADVISORY
	https://ubuntu.com/security/notices/USN-4468-2	ADVISORY
	https://www.cve.org/CVERecord?id=CVE-2020-8622	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "bind9",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm3"
          },
          {
            "binary_name": "bind9-host",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm3"
          },
          {
            "binary_name": "bind9utils",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm3"
          },
          {
            "binary_name": "dnsutils",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm3"
          },
          {
            "binary_name": "host",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm3"
          },
          {
            "binary_name": "libbind9-90",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm3"
          },
          {
            "binary_name": "libdns100",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm3"
          },
          {
            "binary_name": "libisc95",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm3"
          },
          {
            "binary_name": "libisccc90",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm3"
          },
          {
            "binary_name": "libisccfg90",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm3"
          },
          {
            "binary_name": "liblwres90",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm3"
          },
          {
            "binary_name": "lwresd",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "bind9",
        "purl": "pkg:deb/ubuntu/bind9@1:9.9.5.dfsg-3ubuntu0.19+esm3?arch=source\u0026distro=trusty/esm"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:9.9.5.dfsg-3ubuntu0.19+esm3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:9.9.3.dfsg.P2-4ubuntu1",
        "1:9.9.3.dfsg.P2-4ubuntu2",
        "1:9.9.3.dfsg.P2-4ubuntu3",
        "1:9.9.5.dfsg-2",
        "1:9.9.5.dfsg-3",
        "1:9.9.5.dfsg-3ubuntu0.1",
        "1:9.9.5.dfsg-3ubuntu0.2",
        "1:9.9.5.dfsg-3ubuntu0.3",
        "1:9.9.5.dfsg-3ubuntu0.4",
        "1:9.9.5.dfsg-3ubuntu0.5",
        "1:9.9.5.dfsg-3ubuntu0.6",
        "1:9.9.5.dfsg-3ubuntu0.7",
        "1:9.9.5.dfsg-3ubuntu0.8",
        "1:9.9.5.dfsg-3ubuntu0.9",
        "1:9.9.5.dfsg-3ubuntu0.10",
        "1:9.9.5.dfsg-3ubuntu0.11",
        "1:9.9.5.dfsg-3ubuntu0.12",
        "1:9.9.5.dfsg-3ubuntu0.13",
        "1:9.9.5.dfsg-3ubuntu0.14",
        "1:9.9.5.dfsg-3ubuntu0.15",
        "1:9.9.5.dfsg-3ubuntu0.16",
        "1:9.9.5.dfsg-3ubuntu0.17",
        "1:9.9.5.dfsg-3ubuntu0.18",
        "1:9.9.5.dfsg-3ubuntu0.19",
        "1:9.9.5.dfsg-3ubuntu0.19+esm1",
        "1:9.9.5.dfsg-3ubuntu0.19+esm2"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "bind9",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.17"
          },
          {
            "binary_name": "bind9-host",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.17"
          },
          {
            "binary_name": "bind9utils",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.17"
          },
          {
            "binary_name": "dnsutils",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.17"
          },
          {
            "binary_name": "host",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.17"
          },
          {
            "binary_name": "libbind9-140",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.17"
          },
          {
            "binary_name": "libdns-export162",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.17"
          },
          {
            "binary_name": "libdns162",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.17"
          },
          {
            "binary_name": "libirs-export141",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.17"
          },
          {
            "binary_name": "libirs141",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.17"
          },
          {
            "binary_name": "libisc-export160",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.17"
          },
          {
            "binary_name": "libisc160",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.17"
          },
          {
            "binary_name": "libisccc-export140",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.17"
          },
          {
            "binary_name": "libisccc140",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.17"
          },
          {
            "binary_name": "libisccfg-export140",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.17"
          },
          {
            "binary_name": "libisccfg140",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.17"
          },
          {
            "binary_name": "liblwres141",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.17"
          },
          {
            "binary_name": "lwresd",
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.17"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "bind9",
        "purl": "pkg:deb/ubuntu/bind9@1:9.10.3.dfsg.P4-8ubuntu1.17?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:9.10.3.dfsg.P4-8ubuntu1.17"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:9.9.5.dfsg-11ubuntu1",
        "1:9.9.5.dfsg-12",
        "1:9.9.5.dfsg-12.1",
        "1:9.9.5.dfsg-12.1ubuntu1",
        "1:9.10.3.dfsg.P2-4",
        "1:9.10.3.dfsg.P2-5",
        "1:9.10.3.dfsg.P4-3",
        "1:9.10.3.dfsg.P4-4",
        "1:9.10.3.dfsg.P4-5",
        "1:9.10.3.dfsg.P4-8",
        "1:9.10.3.dfsg.P4-8ubuntu1",
        "1:9.10.3.dfsg.P4-8ubuntu1.1",
        "1:9.10.3.dfsg.P4-8ubuntu1.2",
        "1:9.10.3.dfsg.P4-8ubuntu1.3",
        "1:9.10.3.dfsg.P4-8ubuntu1.4",
        "1:9.10.3.dfsg.P4-8ubuntu1.5",
        "1:9.10.3.dfsg.P4-8ubuntu1.6",
        "1:9.10.3.dfsg.P4-8ubuntu1.7",
        "1:9.10.3.dfsg.P4-8ubuntu1.8",
        "1:9.10.3.dfsg.P4-8ubuntu1.9",
        "1:9.10.3.dfsg.P4-8ubuntu1.10",
        "1:9.10.3.dfsg.P4-8ubuntu1.11",
        "1:9.10.3.dfsg.P4-8ubuntu1.12",
        "1:9.10.3.dfsg.P4-8ubuntu1.14",
        "1:9.10.3.dfsg.P4-8ubuntu1.15",
        "1:9.10.3.dfsg.P4-8ubuntu1.16"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "bind9",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.13"
          },
          {
            "binary_name": "bind9-host",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.13"
          },
          {
            "binary_name": "bind9utils",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.13"
          },
          {
            "binary_name": "dnsutils",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.13"
          },
          {
            "binary_name": "libbind9-160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.13"
          },
          {
            "binary_name": "libdns-export1100",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.13"
          },
          {
            "binary_name": "libdns1100",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.13"
          },
          {
            "binary_name": "libirs-export160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.13"
          },
          {
            "binary_name": "libirs160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.13"
          },
          {
            "binary_name": "libisc-export169",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.13"
          },
          {
            "binary_name": "libisc169",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.13"
          },
          {
            "binary_name": "libisccc-export160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.13"
          },
          {
            "binary_name": "libisccc160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.13"
          },
          {
            "binary_name": "libisccfg-export160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.13"
          },
          {
            "binary_name": "libisccfg160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.13"
          },
          {
            "binary_name": "liblwres160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.13"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "bind9",
        "purl": "pkg:deb/ubuntu/bind9@1:9.11.3+dfsg-1ubuntu1.13?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:9.11.3+dfsg-1ubuntu1.13"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:9.10.3.dfsg.P4-12.6ubuntu1",
        "1:9.11.2.P1-1ubuntu2",
        "1:9.11.2.P1-1ubuntu3",
        "1:9.11.2.P1-1ubuntu4",
        "1:9.11.2.P1-1ubuntu5",
        "1:9.11.3+dfsg-1ubuntu1",
        "1:9.11.3+dfsg-1ubuntu1.1",
        "1:9.11.3+dfsg-1ubuntu1.2",
        "1:9.11.3+dfsg-1ubuntu1.3",
        "1:9.11.3+dfsg-1ubuntu1.5",
        "1:9.11.3+dfsg-1ubuntu1.7",
        "1:9.11.3+dfsg-1ubuntu1.8",
        "1:9.11.3+dfsg-1ubuntu1.9",
        "1:9.11.3+dfsg-1ubuntu1.10",
        "1:9.11.3+dfsg-1ubuntu1.11",
        "1:9.11.3+dfsg-1ubuntu1.12"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "bind9",
            "binary_version": "1:9.16.1-0ubuntu2.3"
          },
          {
            "binary_name": "bind9-dnsutils",
            "binary_version": "1:9.16.1-0ubuntu2.3"
          },
          {
            "binary_name": "bind9-host",
            "binary_version": "1:9.16.1-0ubuntu2.3"
          },
          {
            "binary_name": "bind9-libs",
            "binary_version": "1:9.16.1-0ubuntu2.3"
          },
          {
            "binary_name": "bind9-utils",
            "binary_version": "1:9.16.1-0ubuntu2.3"
          },
          {
            "binary_name": "bind9utils",
            "binary_version": "1:9.16.1-0ubuntu2.3"
          },
          {
            "binary_name": "dnsutils",
            "binary_version": "1:9.16.1-0ubuntu2.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "bind9",
        "purl": "pkg:deb/ubuntu/bind9@1:9.16.1-0ubuntu2.3?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:9.16.1-0ubuntu2.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:9.11.5.P4+dfsg-5.1ubuntu2",
        "1:9.11.5.P4+dfsg-5.1ubuntu3",
        "1:9.11.5.P4+dfsg-5.1ubuntu4",
        "1:9.11.5.P4+dfsg-5.1ubuntu5",
        "1:9.11.14+dfsg-1ubuntu1",
        "1:9.11.14+dfsg-3ubuntu1",
        "1:9.16.0-1ubuntu3",
        "1:9.16.0-1ubuntu4",
        "1:9.16.0-1ubuntu5",
        "1:9.16.1-0ubuntu1",
        "1:9.16.1-0ubuntu2",
        "1:9.16.1-0ubuntu2.1",
        "1:9.16.1-0ubuntu2.2"
      ]
    }
  ],
  "aliases": [],
  "details": "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.",
  "id": "UBUNTU-CVE-2020-8622",
  "modified": "2026-04-22T07:39:19Z",
  "published": "2020-08-20T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-8622"
    },
    {
      "type": "REPORT",
      "url": "https://kb.isc.org/docs/cve-2020-8622"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4468-1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4468-2"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-8622"
    }
  ],
  "related": [
    "USN-4468-1",
    "USN-4468-2"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2020-8622"
  ]
}

CVE-2020-8622 (GCVE-0-2020-8622)

Vulnerability from cvelistv5 – Published: 2020-08-21 20:50 – Updated: 2024-09-16 17:14

Title

A truncated TSIG response can lead to an assertion failure

Summary

Severity

6.5 (Medium)


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

CWE

Attempting to verify a truncated response to a TSIG-signed request leads to an assertion failure. Affects 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

Assigner

isc

References

13 references

URL	Tags
https://kb.isc.org/docs/cve-2020-8622	x_refsource_CONFIRM
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://usn.ubuntu.com/4468-1/	vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/4468-2/	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
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://www.oracle.com/security-alerts/cpuoct2021.html	x_refsource_MISC
https://security.netapp.com/advisory/ntap-2020082…	x_refsource_CONFIRM
https://www.synology.com/security/advisory/Synolo…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
ISC	BIND9	Affected: 9.0.0 , < 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: 9.9.3-S1 , < Supported Preview* (custom)

Date Public

2020-08-20 00:00

Credits

ISC would like to thank Dave Feldman, Jeff Warren, and Joel Cunningham of Oracle for bringing this vulnerability to our attention.

Show details on NVD website

JSON

To clipboard

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          "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"
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      "title": "A truncated TSIG response can lead to an assertion failure",
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usn-4468-1

Vulnerability from osv_ubuntu

Published

2020-08-21 11:29

Modified

2026-04-22 07:36

Summary

bind9 vulnerabilities

Details

Emanuel Almeida discovered that Bind incorrectly handled certain TCP payloads. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. This issue only affected Ubuntu 20.04 LTS. (CVE-2020-8620)

Joseph Gullo discovered that Bind incorrectly handled QNAME minimization when used in certain configurations. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. This issue only affected Ubuntu 20.04 LTS. (CVE-2020-8621)

Dave Feldman, Jeff Warren, and Joel Cunningham discovered that Bind incorrectly handled certain truncated responses to a TSIG-signed request. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. (CVE-2020-8622)

Lyu Chiy discovered that Bind incorrectly handled certain queries. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. (CVE-2020-8623)

Joop Boonen discovered that Bind incorrectly handled certain subdomain update-policy rules. A remote attacker granted privileges to change certain parts of a zone could use this issue to change other contents of the zone, contrary to expectations. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-8624)

References

URL

Type

	https://ubuntu.com/security/notices/USN-4468-1	ADVISORY
	https://ubuntu.com/security/CVE-2020-8620	REPORT
	https://ubuntu.com/security/CVE-2020-8621	REPORT
	https://ubuntu.com/security/CVE-2020-8622	REPORT
	https://ubuntu.com/security/CVE-2020-8623	REPORT
	https://ubuntu.com/security/CVE-2020-8624	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2020-8622",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2020-8623",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
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          },
          {
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            "binary_name": "dnsutils",
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          },
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          },
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          {
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          },
          {
            "binary_name": "libirs-export141",
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          },
          {
            "binary_name": "libirs141",
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          {
            "binary_name": "libisc-export160",
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            "binary_name": "libisc160",
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            "binary_name": "libisccfg140",
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            "binary_name": "liblwres141",
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        "name": "bind9",
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      },
      "ranges": [
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          "events": [
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            },
            {
              "fixed": "1:9.10.3.dfsg.P4-8ubuntu1.17"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:9.9.5.dfsg-11ubuntu1",
        "1:9.9.5.dfsg-12",
        "1:9.9.5.dfsg-12.1",
        "1:9.9.5.dfsg-12.1ubuntu1",
        "1:9.10.3.dfsg.P2-4",
        "1:9.10.3.dfsg.P2-5",
        "1:9.10.3.dfsg.P4-3",
        "1:9.10.3.dfsg.P4-4",
        "1:9.10.3.dfsg.P4-5",
        "1:9.10.3.dfsg.P4-8",
        "1:9.10.3.dfsg.P4-8ubuntu1",
        "1:9.10.3.dfsg.P4-8ubuntu1.1",
        "1:9.10.3.dfsg.P4-8ubuntu1.2",
        "1:9.10.3.dfsg.P4-8ubuntu1.3",
        "1:9.10.3.dfsg.P4-8ubuntu1.4",
        "1:9.10.3.dfsg.P4-8ubuntu1.5",
        "1:9.10.3.dfsg.P4-8ubuntu1.6",
        "1:9.10.3.dfsg.P4-8ubuntu1.7",
        "1:9.10.3.dfsg.P4-8ubuntu1.8",
        "1:9.10.3.dfsg.P4-8ubuntu1.9",
        "1:9.10.3.dfsg.P4-8ubuntu1.10",
        "1:9.10.3.dfsg.P4-8ubuntu1.11",
        "1:9.10.3.dfsg.P4-8ubuntu1.12",
        "1:9.10.3.dfsg.P4-8ubuntu1.14",
        "1:9.10.3.dfsg.P4-8ubuntu1.15",
        "1:9.10.3.dfsg.P4-8ubuntu1.16"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2020-8622",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2020-8623",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2020-8624",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "bind9",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.13"
          },
          {
            "binary_name": "bind9-host",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.13"
          },
          {
            "binary_name": "bind9utils",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.13"
          },
          {
            "binary_name": "dnsutils",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.13"
          },
          {
            "binary_name": "libbind9-160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.13"
          },
          {
            "binary_name": "libdns-export1100",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.13"
          },
          {
            "binary_name": "libdns1100",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.13"
          },
          {
            "binary_name": "libirs-export160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.13"
          },
          {
            "binary_name": "libirs160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.13"
          },
          {
            "binary_name": "libisc-export169",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.13"
          },
          {
            "binary_name": "libisc169",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.13"
          },
          {
            "binary_name": "libisccc-export160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.13"
          },
          {
            "binary_name": "libisccc160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.13"
          },
          {
            "binary_name": "libisccfg-export160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.13"
          },
          {
            "binary_name": "libisccfg160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.13"
          },
          {
            "binary_name": "liblwres160",
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.13"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "bind9",
        "purl": "pkg:deb/ubuntu/bind9@1:9.11.3+dfsg-1ubuntu1.13?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:9.11.3+dfsg-1ubuntu1.13"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:9.10.3.dfsg.P4-12.6ubuntu1",
        "1:9.11.2.P1-1ubuntu2",
        "1:9.11.2.P1-1ubuntu3",
        "1:9.11.2.P1-1ubuntu4",
        "1:9.11.2.P1-1ubuntu5",
        "1:9.11.3+dfsg-1ubuntu1",
        "1:9.11.3+dfsg-1ubuntu1.1",
        "1:9.11.3+dfsg-1ubuntu1.2",
        "1:9.11.3+dfsg-1ubuntu1.3",
        "1:9.11.3+dfsg-1ubuntu1.5",
        "1:9.11.3+dfsg-1ubuntu1.7",
        "1:9.11.3+dfsg-1ubuntu1.8",
        "1:9.11.3+dfsg-1ubuntu1.9",
        "1:9.11.3+dfsg-1ubuntu1.10",
        "1:9.11.3+dfsg-1ubuntu1.11",
        "1:9.11.3+dfsg-1ubuntu1.12"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2020-8620",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2020-8621",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2020-8622",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2020-8623",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2020-8624",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "bind9",
            "binary_version": "1:9.16.1-0ubuntu2.3"
          },
          {
            "binary_name": "bind9-dnsutils",
            "binary_version": "1:9.16.1-0ubuntu2.3"
          },
          {
            "binary_name": "bind9-host",
            "binary_version": "1:9.16.1-0ubuntu2.3"
          },
          {
            "binary_name": "bind9-libs",
            "binary_version": "1:9.16.1-0ubuntu2.3"
          },
          {
            "binary_name": "bind9-utils",
            "binary_version": "1:9.16.1-0ubuntu2.3"
          },
          {
            "binary_name": "bind9utils",
            "binary_version": "1:9.16.1-0ubuntu2.3"
          },
          {
            "binary_name": "dnsutils",
            "binary_version": "1:9.16.1-0ubuntu2.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "bind9",
        "purl": "pkg:deb/ubuntu/bind9@1:9.16.1-0ubuntu2.3?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:9.16.1-0ubuntu2.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:9.11.5.P4+dfsg-5.1ubuntu2",
        "1:9.11.5.P4+dfsg-5.1ubuntu3",
        "1:9.11.5.P4+dfsg-5.1ubuntu4",
        "1:9.11.5.P4+dfsg-5.1ubuntu5",
        "1:9.11.14+dfsg-1ubuntu1",
        "1:9.11.14+dfsg-3ubuntu1",
        "1:9.16.0-1ubuntu3",
        "1:9.16.0-1ubuntu4",
        "1:9.16.0-1ubuntu5",
        "1:9.16.1-0ubuntu1",
        "1:9.16.1-0ubuntu2",
        "1:9.16.1-0ubuntu2.1",
        "1:9.16.1-0ubuntu2.2"
      ]
    }
  ],
  "aliases": [],
  "details": "Emanuel Almeida discovered that Bind incorrectly handled certain TCP\npayloads. A remote attacker could possibly use this issue to cause Bind to\ncrash, resulting in a denial of service. This issue only affected Ubuntu\n20.04 LTS. (CVE-2020-8620)\n\nJoseph Gullo discovered that Bind incorrectly handled QNAME minimization\nwhen used in certain configurations. A remote attacker could possibly use\nthis issue to cause Bind to crash, resulting in a denial of service. This\nissue only affected Ubuntu 20.04 LTS. (CVE-2020-8621)\n\nDave Feldman, Jeff Warren, and Joel Cunningham discovered that Bind\nincorrectly handled certain truncated responses to a TSIG-signed request. A\nremote attacker could possibly use this issue to cause Bind to crash,\nresulting in a denial of service. (CVE-2020-8622)\n\nLyu Chiy discovered that Bind incorrectly handled certain queries. A remote\nattacker could possibly use this issue to cause Bind to crash, resulting in\na denial of service. (CVE-2020-8623)\n\nJoop Boonen discovered that Bind incorrectly handled certain subdomain\nupdate-policy rules. A remote attacker granted privileges to change certain\nparts of a zone could use this issue to change other contents of the zone,\ncontrary to expectations. This issue only affected Ubuntu 18.04 LTS and\nUbuntu 20.04 LTS. (CVE-2020-8624)\n",
  "id": "USN-4468-1",
  "modified": "2026-04-22T07:36:39Z",
  "published": "2020-08-21T11:29:29Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4468-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-8620"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-8621"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-8622"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-8623"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-8624"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "bind9 vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2020-8620",
    "UBUNTU-CVE-2020-8621",
    "UBUNTU-CVE-2020-8622",
    "UBUNTU-CVE-2020-8623",
    "UBUNTU-CVE-2020-8624"
  ]
}

usn-4468-2

Vulnerability from osv_ubuntu

Published

2020-08-24 12:05

Modified

2026-04-22 07:36

Summary

bind9 vulnerability

Details

USN-4468-1 fixed a vulnerability in Bind. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

References

URL

Type

	https://ubuntu.com/security/notices/USN-4468-2	ADVISORY
	https://ubuntu.com/security/CVE-2020-8622	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2020-8622",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:14.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "bind9",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm3"
          },
          {
            "binary_name": "bind9-host",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm3"
          },
          {
            "binary_name": "bind9utils",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm3"
          },
          {
            "binary_name": "dnsutils",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm3"
          },
          {
            "binary_name": "host",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm3"
          },
          {
            "binary_name": "libbind9-90",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm3"
          },
          {
            "binary_name": "libdns100",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm3"
          },
          {
            "binary_name": "libisc95",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm3"
          },
          {
            "binary_name": "libisccc90",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm3"
          },
          {
            "binary_name": "libisccfg90",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm3"
          },
          {
            "binary_name": "liblwres90",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm3"
          },
          {
            "binary_name": "lwresd",
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "bind9",
        "purl": "pkg:deb/ubuntu/bind9@1:9.9.5.dfsg-3ubuntu0.19+esm3?arch=source\u0026distro=trusty/esm"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:9.9.5.dfsg-3ubuntu0.19+esm3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:9.9.3.dfsg.P2-4ubuntu1",
        "1:9.9.3.dfsg.P2-4ubuntu2",
        "1:9.9.3.dfsg.P2-4ubuntu3",
        "1:9.9.5.dfsg-2",
        "1:9.9.5.dfsg-3",
        "1:9.9.5.dfsg-3ubuntu0.1",
        "1:9.9.5.dfsg-3ubuntu0.2",
        "1:9.9.5.dfsg-3ubuntu0.3",
        "1:9.9.5.dfsg-3ubuntu0.4",
        "1:9.9.5.dfsg-3ubuntu0.5",
        "1:9.9.5.dfsg-3ubuntu0.6",
        "1:9.9.5.dfsg-3ubuntu0.7",
        "1:9.9.5.dfsg-3ubuntu0.8",
        "1:9.9.5.dfsg-3ubuntu0.9",
        "1:9.9.5.dfsg-3ubuntu0.10",
        "1:9.9.5.dfsg-3ubuntu0.11",
        "1:9.9.5.dfsg-3ubuntu0.12",
        "1:9.9.5.dfsg-3ubuntu0.13",
        "1:9.9.5.dfsg-3ubuntu0.14",
        "1:9.9.5.dfsg-3ubuntu0.15",
        "1:9.9.5.dfsg-3ubuntu0.16",
        "1:9.9.5.dfsg-3ubuntu0.17",
        "1:9.9.5.dfsg-3ubuntu0.18",
        "1:9.9.5.dfsg-3ubuntu0.19",
        "1:9.9.5.dfsg-3ubuntu0.19+esm1",
        "1:9.9.5.dfsg-3ubuntu0.19+esm2"
      ]
    }
  ],
  "aliases": [],
  "details": "USN-4468-1 fixed a vulnerability in Bind. This update provides\nthe corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.\n\nOriginal advisory details:\n\n Dave Feldman, Jeff Warren, and Joel Cunningham discovered that Bind\n incorrectly handled certain truncated responses to a TSIG-signed request. A\n remote attacker could possibly use this issue to cause Bind to crash,\n resulting in a denial of service. (CVE-2020-8622)\n",
  "id": "USN-4468-2",
  "modified": "2026-04-22T07:36:39Z",
  "published": "2020-08-24T12:05:54Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4468-2"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-8622"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "bind9 vulnerability",
  "upstream": [
    "UBUNTU-CVE-2020-8622"
  ]
}

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.

Detection rules are retrieved from Rulezet.

Action not permitted

ubuntu-cve-2020-8622

Vulnerability from osv_ubuntu

CVE-2020-8622 (GCVE-0-2020-8622)

usn-4468-1

Vulnerability from osv_ubuntu

usn-4468-2

Vulnerability from osv_ubuntu

Tags

Sightings

Nomenclature