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Mageia: 2021-0560 Moderate: BIND Denial Of Service Risk

mageia
Calendar Grey December 19, 2021
Dist Mageia Esm H88
Recently released bind packages tackle a vulnerability that can lead to denial of service incidents resulting from compromised resolver efficiency.
Updated bind packages fix security vulnerability: Kishore Kumar Kothapalli discovered that the lame server cache in BIND, a DNS server implementation, can be abused by an attacker...

Summary

Updated bind packages fix security vulnerability:
Kishore Kumar Kothapalli discovered that the lame server cache in BIND, a DNS server implementation, can be abused by an attacker to significantly degrade resolver performance, resulting in denial of service (large delays for responses for client queries and DNS timeouts on client hosts) (CVE-2021-25219).

References

- https://bugs.mageia.org/show_bug.cgi?id=29427

- https://kb.isc.org/docs/cve-2021-25219

- https://lists.debian.org/debian-security-announce/2021/msg00179.html

- https://www.cve.org/CVERecord?id=CVE-2021-25219

Resolution

SRPMS

- 8/core/bind-9.11.36-1.1.mga8

Publication date: 19 Dec 2021
URL: https://advisories.mageia.org/MGASA-2021-0560.html
Type: security
CVE: CVE-2021-25219

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