Ubuntu 8.04 LTS / 9.10 / 10.04 LTS / 10.10 : x11-xserver-utils vulnerability (USN-1107-1)
High Nessus Plugin ID 53321
SynopsisThe remote Ubuntu host is missing a security-related patch.
DescriptionSebastian Krahmer discovered that the xrdb utility incorrectly filtered crafted hostnames. An attacker could use this flaw with a malicious DHCP server or with a remote xdmcp login and execute arbitrary code, resulting in root privilege escalation.
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 x11-xserver-utils package.