Mageia 7: 2021-0036 Critical: bind System Availability Flaw
mageia
January 17, 2021
A flaw was found in bind
Summary
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/package-announce@lists.fedoraproject.org/thread/DQN62GBMCIC5AY4KYADGXNKVY6AJKSJE/
- https://ubuntu.com/security/notices/USN-4468-1
- https://access.redhat.com/errata/RHSA-2020:5011
- https://www.cve.org/CVERecord?id=CVE-2020-8622
- https://www.cve.org/CVERecord?id=CVE-2020-8624
Resolution
SRPMS
- 7/core/bind-9.11.6-1.2.mga7
PREVIOUS
NEXT
Severity
critical
Lowest
Low
Medium
High
Critical
Publication date: 17 Jan 2021
URL: https://advisories.mageia.org/MGASA-2021-0036.html
Type: security
CVE: CVE-2020-8622,
CVE-2020-8624
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