debdiff.pl in devscripts 2.10.x before 2.10.69 and 2.11.x before 2.11.4 allows remote attackers to execute arbitrary code via shell metacharacters in the file name argument.
anonscm.debian.org/gitweb/?p=devscripts/devscripts.git%3Ba=commitdiff%3Bh=9cbe605d3eab4f9e67525f69b676c55b273b7a03
secunia.com/advisories/47955
secunia.com/advisories/48039
ubuntu.com/usn/usn-1366-1
www.debian.org/security/2012/dsa-2409
www.osvdb.org/79322
www.securityfocus.com/bid/52029
www.ubuntu.com/usn/USN-1593-1
exchange.xforce.ibmcloud.com/vulnerabilities/73217