USN-3628-1 fixed a vulnerability in OpenSSL. This update provides
the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
Alejandro Cabrera Aldaya, Billy Brumley, Cesar Pereida Garcia and Luis
Manuel Alvarez Tapia discovered that OpenSSL incorrectly handled RSA
key generation. An attacker could possibly use this issue to perform a
cache-timing attack and recover private RSA keys.
The problem can be corrected by updating your system to the following
Ubuntu 12.04 ESM:
After a standard system update you need to reboot your computer to make
all the necessary changes.