Phusion Passenger incorrect permission assignment

2022-05-1301:49:37

Google

osv.dev

0.001 Low

EPSS

Percentile

31.3%

JSON

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.

CPENameOperatorVersion
passengereq4.0.2
passengereq4.0.27
passengereq5.0.0.rc1
passengereq5.0.6
passengereq4.0.40
passengereq3.0.21
passengereq2.2.11
passengereq4.0.3
passengereq2.0.2
passengereq2.2.8

Name	Operator	Version
passenger	eq	4.0.2
passenger	eq	4.0.27
passenger	eq	5.0.0.rc1
passenger	eq	5.0.6
passenger	eq	4.0.40
passenger	eq	3.0.21
passenger	eq	2.2.11
passenger	eq	4.0.3
passenger	eq	2.0.2
passenger	eq	2.2.8