UBUNTU-CVE-2020-8623

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Source
https://ubuntu.com/security/CVE-2020-8623
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8623.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-8623
Upstream
Downstream
Related
Published
2020-08-20T00:00:00Z
Modified
2025-09-08T16:45:59Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

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

Affected packages

Ubuntu:16.04:LTS / bind9

Package

Name
bind9
Purl
pkg:deb/ubuntu/bind9@1:9.10.3.dfsg.P4-8ubuntu1.17?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:9.10.3.dfsg.P4-8ubuntu1.17

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

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.17",
            "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": "libbind-dev"
        },
        {
            "binary_version": "1:9.10.3.dfsg.P4-8ubuntu1.17",
            "binary_name": "libbind-export-dev"
        },
        {
            "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"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:18.04:LTS / bind9

Package

Name
bind9
Purl
pkg:deb/ubuntu/bind9@1:9.11.3+dfsg-1ubuntu1.13?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:9.11.3+dfsg-1ubuntu1.13

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

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.13",
            "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": "libbind-dev"
        },
        {
            "binary_version": "1:9.11.3+dfsg-1ubuntu1.13",
            "binary_name": "libbind-export-dev"
        },
        {
            "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"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:20.04:LTS / bind9

Package

Name
bind9
Purl
pkg:deb/ubuntu/bind9@1:9.16.1-0ubuntu2.3?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:9.16.1-0ubuntu2.3

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

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:9.16.1-0ubuntu2.3",
            "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"
        }
    ],
    "availability": "No subscription required"
}