MGASA-2021-0036 - Updated bind packages fix security vulnerability

Publication date: 17 Jan 2021
URL: https://advisories.mageia.org/MGASA-2021-0036.html
Type: security
Affected Mageia releases: 7
CVE: CVE-2020-8622,
     CVE-2020-8624

A flaw was found in bind. An assertion failure can occur when trying to verify
a truncated response to a TSIG-signed request. The highest threat from this
vulnerability is to system availability (CVE-2020-8622).

A flaw was found in bind. Updates to "Update-policy" rules of type "subdomain"
are treated as if they were of type "zonesub" which allows updates to all parts
of the zone along with the intended subdomain. The highest threat from this
vulnerability is to data integrity (CVE-2020-8624).

References:
- https://bugs.mageia.org/show_bug.cgi?id=27164
- https://lists.fedoraproject.org/archives/list/[email protected]/thread/DQN62GBMCIC5AY4KYADGXNKVY6AJKSJE/
- https://ubuntu.com/security/notices/USN-4468-1
- https://access.redhat.com/errata/RHSA-2020:5011
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8622
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8624

SRPMS:
- 7/core/bind-9.11.6-1.2.mga7