Phusion Passenger incorrect permission assignment

An issue was discovered in switchGroup in agent/ExecHelper/ExecHelperMain.cpp in Phusion Passenger before 5.3.2. The set of groups gidset is not set correctly, leaving it up to randomness i.e., uninitialized memory which supplementary groups are actually being set while lowering privileges...

Code injection

An issue was discovered in switchGroup in agent/ExecHelper/ExecHelperMain.cpp in Phusion Passenger before 5.3.2. The set of groups gidset is not set correctly, leaving it up to randomness i.e., uninitialized memory which supplementary groups are actually being set while lowering privileges...