MGASA-2022-0388 - Updated bind packages fix security vulnerability

Publication date: 23 Oct 2022
URL: https://advisories.mageia.org/MGASA-2022-0388.html
Type: security
Affected Mageia releases: 8
CVE: CVE-2022-2795,
     CVE-2022-38177,
     CVE-2022-38178

By flooding the target resolver with queries exploiting this flaw an
attacker can significantly impair the resolver's performance,
effectively denying legitimate clients access to the DNS resolution
service. (CVE-2022-2795)

By spoofing the target resolver with responses that have a malformed ECDSA
signature, an attacker can trigger a small memory leak. It is possible to
gradually erode available memory to the point where named crashes for lack
of resources. (CVE-2022-38177, CVE-2022-38178)

References:
- https://bugs.mageia.org/show_bug.cgi?id=30877
- https://kb.isc.org/docs/cve-2022-2795
- https://kb.isc.org/docs/cve-2022-38177
- https://kb.isc.org/docs/cve-2022-38178
- https://ubuntu.com/security/notices/USN-5626-1
- https://www.debian.org/lts/security/2022/dla-3138
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2795
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-38177
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-38178

SRPMS:
- 8/core/bind-9.11.37-1.1.mga8