Ubuntu 6.06 LTS / 7.10 / 8.04 LTS / 8.10 : avahi vulnerabilities (USN-696-1)
Medium Nessus Plugin ID 36657
SynopsisThe remote Ubuntu host is missing one or more security-related patches.
DescriptionEmanuele Aina discovered that Avahi did not properly validate its input when processing data over D-Bus. A local attacker could send an empty TXT message via D-Bus and cause a denial of service (failed assertion). This issue only affected Ubuntu 6.06 LTS. (CVE-2007-3372)
Hugo Dias discovered that Avahi did not properly verify its input when processing mDNS packets. A remote attacker could send a crafted mDNS packet and cause a denial of service (assertion failure).
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.