CVE-2018-12615

Name	CVE-2018-12615
Description	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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
passenger (PTS)	bullseye	5.0.30-1.2+deb11u1	fixed
	bookworm	6.0.17+ds-1	fixed
	forky, sid, trixie	6.0.26+ds-1.1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
passenger	source	(unstable)	(not affected)
ruby-passenger	source	(unstable)	(not affected)

Notes

- passenger <not-affected> (Vulnerable code not present)
- ruby-passenger <not-affected> (Vulnerable code not present)
https://github.com/phusion/passenger/commit/4e97fdb86d0a0141ec9a052c6e691fcd07bb45c8