The Faster Permissions module 7.x-2.x before 7.x-1.2 for Drupal does not check the "administer permissions" permission, which allows remote attackers to modify access permissions via unspecified vectors.
https://drupal.org/node/1441448
http://www.openwall.com/lists/oss-security/2012/04/07/1
http://secunia.com/advisories/48019