Puppet 2.7.x before 2.7.21 and 3.1.x before 3.1.1, and Puppet Enterprise 2.7.x before 2.7.2, does not properly negotiate the SSL protocol between client and master, which allows remote attackers to conduct SSLv2 downgrade attacks against SSLv3 sessions via unspecified vectors. Per http://www.ubuntu.com/usn/usn-1759-1/
"A security issue affects these releases of Ubuntu and its derivatives:
Ubuntu 12.10
Ubuntu 12.04 LTS
Ubuntu 11.10
"
Publication date: Wed, 20 Mar 2013 21:55:00 +0000