Ubuntu Update for sudo USN-1754-1

Solution
Please Install the Updated Packages.
Insight
Marco Schoepl discovered that Sudo incorrectly handled time stamp files when the system clock is set to epoch. A local attacker could use this issue to run Sudo commands without a password prompt.
Affected
sudo on Ubuntu 12.10 , Ubuntu 12.04 LTS , Ubuntu 11.10 , Ubuntu 10.04 LTS , Ubuntu 8.04 LTS
References