Vulnerabilities > CVE-2021-3468 - Infinite Loop vulnerability in multiple products
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
A flaw was found in avahi in versions 0.6 up to 0.8. The event used to signal the termination of the client connection on the avahi Unix socket is not correctly handled in the client_work function, allowing a local attacker to trigger an infinite loop. The highest threat from this vulnerability is to the availability of the avahi service, which becomes unresponsive after this flaw is triggered.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1939614
- https://bugzilla.redhat.com/show_bug.cgi?id=1939614
- https://lists.debian.org/debian-lts-announce/2022/06/msg00009.html
- https://lists.debian.org/debian-lts-announce/2022/06/msg00009.html
- https://lists.debian.org/debian-lts-announce/2023/06/msg00028.html
- https://lists.debian.org/debian-lts-announce/2023/06/msg00028.html