Ubuntu Update for serf USN-2315-1

Solution
Please Install the Updated Packages.
Insight
Ben Reser discovered that serf did not correctly handle SSL certificates with NUL bytes in the CommonName or SubjectAltNames fields. A remote attacker could exploit this to perform a man in the middle attack to view sensitive information or alter encrypted communications.
Affected
serf on Ubuntu 14.04 LTS , Ubuntu 12.04 LTS