Directory traversal vulnerability in dpkg-source in dpkg-dev 1.3.0 allows remote attackers to modify files outside of the intended directories via a crafted source package that lacks a --- header line.
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=746498
http://www.ubuntu.com/usn/USN-2242-1
http://www.securityfocus.com/bid/67725