UBUNTU-CVE-2020-8625

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Source

https://ubuntu.com/security/CVE-2020-8625

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8625.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-8625

Upstream

CVE-2020-8625

Downstream

USN-4737-1

USN-4737-2

Related

Published

2021-02-17T00:00:00Z

Modified

2025-09-08T16:45:59Z

Severity

8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Ubuntu - medium

Summary

[none]

Details

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

Affected packages

Ubuntu:Pro:14.04:LTS / bind9

Package

Name: bind9
Purl: pkg:deb/ubuntu/bind9@1:9.9.5.dfsg-3ubuntu0.19+esm4?arch=source&distro=trusty/esm

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:9.9.5.dfsg-3ubuntu0.19+esm4

Affected versions

1:9.*

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

1:9.9.5.dfsg-3ubuntu0.19+esm3

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm4",
            "binary_name": "bind9"
        },
        {
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm4",
            "binary_name": "bind9-host"
        },
        {
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm4",
            "binary_name": "bind9utils"
        },
        {
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm4",
            "binary_name": "dnsutils"
        },
        {
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm4",
            "binary_name": "host"
        },
        {
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm4",
            "binary_name": "libbind-dev"
        },
        {
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm4",
            "binary_name": "libbind9-90"
        },
        {
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm4",
            "binary_name": "libdns100"
        },
        {
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm4",
            "binary_name": "libisc95"
        },
        {
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm4",
            "binary_name": "libisccc90"
        },
        {
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm4",
            "binary_name": "libisccfg90"
        },
        {
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm4",
            "binary_name": "liblwres90"
        },
        {
            "binary_version": "1:9.9.5.dfsg-3ubuntu0.19+esm4",
            "binary_name": "lwresd"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Ubuntu:16.04:LTS / bind9

Package

Name: bind9
Purl: pkg:deb/ubuntu/bind9@1:9.10.3.dfsg.P4-8ubuntu1.18?arch=source&distro=xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:9.10.3.dfsg.P4-8ubuntu1.18

Affected versions

1:9.*

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

1:9.10.3.dfsg.P4-8ubuntu1.17

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.18",
            "binary_name": "bind9"
        },
        {
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.18",
            "binary_name": "bind9-host"
        },
        {
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.18",
            "binary_name": "bind9utils"
        },
        {
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.18",
            "binary_name": "dnsutils"
        },
        {
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.18",
            "binary_name": "host"
        },
        {
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.18",
            "binary_name": "libbind-dev"
        },
        {
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.18",
            "binary_name": "libbind-export-dev"
        },
        {
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.18",
            "binary_name": "libbind9-140"
        },
        {
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.18",
            "binary_name": "libdns-export162"
        },
        {
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.18",
            "binary_name": "libdns162"
        },
        {
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.18",
            "binary_name": "libirs-export141"
        },
        {
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.18",
            "binary_name": "libirs141"
        },
        {
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.18",
            "binary_name": "libisc-export160"
        },
        {
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.18",
            "binary_name": "libisc160"
        },
        {
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.18",
            "binary_name": "libisccc-export140"
        },
        {
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.18",
            "binary_name": "libisccc140"
        },
        {
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.18",
            "binary_name": "libisccfg-export140"
        },
        {
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.18",
            "binary_name": "libisccfg140"
        },
        {
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.18",
            "binary_name": "liblwres141"
        },
        {
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.18",
            "binary_name": "lwresd"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:18.04:LTS / bind9

Package

Name: bind9
Purl: pkg:deb/ubuntu/bind9@1:9.11.3+dfsg-1ubuntu1.14?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:9.11.3+dfsg-1ubuntu1.14

Affected versions

1:9.*

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

1:9.11.3+dfsg-1ubuntu1.13

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.14",
            "binary_name": "bind9"
        },
        {
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.14",
            "binary_name": "bind9-host"
        },
        {
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.14",
            "binary_name": "bind9utils"
        },
        {
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.14",
            "binary_name": "dnsutils"
        },
        {
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.14",
            "binary_name": "libbind-dev"
        },
        {
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.14",
            "binary_name": "libbind-export-dev"
        },
        {
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.14",
            "binary_name": "libbind9-160"
        },
        {
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.14",
            "binary_name": "libdns-export1100"
        },
        {
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.14",
            "binary_name": "libdns1100"
        },
        {
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.14",
            "binary_name": "libirs-export160"
        },
        {
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.14",
            "binary_name": "libirs160"
        },
        {
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.14",
            "binary_name": "libisc-export169"
        },
        {
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.14",
            "binary_name": "libisc169"
        },
        {
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.14",
            "binary_name": "libisccc-export160"
        },
        {
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.14",
            "binary_name": "libisccc160"
        },
        {
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.14",
            "binary_name": "libisccfg-export160"
        },
        {
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.14",
            "binary_name": "libisccfg160"
        },
        {
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.14",
            "binary_name": "liblwres160"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:20.04:LTS / bind9

Package

Name: bind9
Purl: pkg:deb/ubuntu/bind9@1:9.16.1-0ubuntu2.6?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:9.16.1-0ubuntu2.6

Affected versions

1:9.*

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

1:9.16.1-0ubuntu2.3

1:9.16.1-0ubuntu2.4

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1:9.16.1-0ubuntu2.6",
            "binary_name": "bind9"
        },
        {
            "binary_version": "1:9.16.1-0ubuntu2.6",
            "binary_name": "bind9-dnsutils"
        },
        {
            "binary_version": "1:9.16.1-0ubuntu2.6",
            "binary_name": "bind9-host"
        },
        {
            "binary_version": "1:9.16.1-0ubuntu2.6",
            "binary_name": "bind9-libs"
        },
        {
            "binary_version": "1:9.16.1-0ubuntu2.6",
            "binary_name": "bind9-utils"
        },
        {
            "binary_version": "1:9.16.1-0ubuntu2.6",
            "binary_name": "bind9utils"
        },
        {
            "binary_version": "1:9.16.1-0ubuntu2.6",
            "binary_name": "dnsutils"
        }
    ],
    "availability": "No subscription required"
}