Ubuntu Security Notice USN-721-1 – Marko Lindqvist discovered that the fglrx installer created an unsafe LD_LIBRARY_PATH on 64bit systems. If a user were tricked into downloading specially crafted libraries and running commands in the same directory, a remote attacker could execute arbitrary code with user privileges.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/75010/USN-721-1.txt
Source: https://packetstormsecurity.com/files/75010/Ubuntu-Security-Notice-721-1.html