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.
lists.opensuse.org/opensuse-security-announce/2013-04/msg00004.html
lists.opensuse.org/opensuse-updates/2013-04/msg00056.html
rhn.redhat.com/errata/RHSA-2013-0710.html
secunia.com/advisories/52596
ubuntu.com/usn/usn-1759-1
www.debian.org/security/2013/dsa-2643
www.securityfocus.com/bid/64758
puppetlabs.com/security/cve/cve-2013-1654/