Ubuntu 12.04 LTS / 14.04 LTS / 14.10 / 15.04 : unattended-upgrades vulnerability (USN-2657-1)
Medium Nessus Plugin ID 84444
SynopsisThe remote Ubuntu host is missing a security-related patch.
DescriptionIt was discovered that unattended-upgrades incorrectly performed authentication checks in certain configurations. If a remote attacker were able to perform a man-in-the-middle attack, this flaw could potentially be used to install altered packages.
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 unattended-upgrades package.