What’s Vulnerable › Vulnerabilities

CVE-2020-8624: update-policy rules of type "subdomain" are enforced incorrectly

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-08-21 · updated 2026-06-17
• Weakness: CWE-269

Description

In BIND 9.9.12 -> 9.9.13, 9.10.7 -> 9.10.8, 9.11.3 -> 9.11.21, 9.12.1 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.9.12-S1 -> 9.9.13-S1, 9.11.3-S1 -> 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker who has been granted privileges to change a specific subset of the zone's content could abuse these unintended additional privileges to update other contents of the zone.

Affected products

• Canonical Ubuntu Linux: 16.04, 18.04, 20.04
• Debian Linux: 10.0
• Fedoraproject Fedora: 31, 32
• ISC BIND: from 9.9.12 through 9.9.13; from 9.10.7 through 9.10.8; from 9.11.3 through 9.11.21; from 9.12.1 through 9.16.5; from 9.17.0 through 9.17.3; 9.9.12-s1, 9.9.13-s1, 9.11.3-s1, 9.11.21-s1
• NetApp Steelstore Cloud Integrated Storage: all versions
• openSUSE Leap: 15.1, 15.2

References

• http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html
• http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html
• https://kb.isc.org/docs/cve-2020-8624
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DQN62GBMCIC5AY4KYADGXNKVY6AJKSJE/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZKAMJZXR66P6S5LEU4SN7USSNCWTXEXP/
• https://security.gentoo.org/glsa/202008-19
• https://security.netapp.com/advisory/ntap-20200827-0003/
• https://usn.ubuntu.com/4468-1/
• https://www.debian.org/security/2020/dsa-4752
• https://www.synology.com/security/advisory/Synology_SA_20_19
• http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html
• http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html

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