Ubuntu 8.04 LTS / 9.04 / 9.10 / 10.04 LTS : avahi vulnerabilities (USN-992-1)
High Nessus Plugin ID 49761
SynopsisThe remote Ubuntu host is missing one or more security-related patches.
DescriptionIt was discovered that Avahi incorrectly handled certain mDNS query packets when the reflector feature is enabled, which is not the default configuration on Ubuntu. A remote attacker could send crafted mDNS queries and perform a denial of service on the server and on the network. This issue only affected Ubuntu 8.04 LTS and 9.04.
It was discovered that Avahi incorrectly handled mDNS packets with corrupted checksums. A remote attacker could send crafted mDNS packets and cause Avahi to crash, resulting in a denial of service.
Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
SolutionUpdate the affected packages.