Mozilla: Chrome Object Wrapper (COW) does not disallow acces to privileged functions or properties (MFSA 2012-83)

The Chrome Object Wrapper COW implementation in Mozilla Firefox before 16.0, Firefox ESR 10.x before 10.0.8, Thunderbird before 16.0, Thunderbird ESR 10.x before 10.0.8, and SeaMonkey before 2.13 does not properly interact with failures of InstallTrigger methods, which allows remote attackers to...