Puppet 2.7.x before 2.7.5, 2.6.x before 2.6.11, and 0.25.x, when running in --edit mode, uses a predictable file name, which allows local users to run arbitrary Puppet code or trick a user into editing arbitrary files.
https://puppet.com/security/cve/cve-2011-3871
http://www.ubuntu.com/usn/USN-1223-2
http://www.ubuntu.com/usn/USN-1223-1
http://www.debian.org/security/2011/dsa-2314
http://secunia.com/advisories/46458
http://lists.fedoraproject.org/pipermail/package-announce/2011-October/068093.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-October/068061.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-October/068053.html
http://groups.google.com/group/puppet-announce/browse_thread/thread/91e3b46d2328a1cb