CVE-2018-12615

NameCVE-2018-12615
DescriptionAn 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, 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 PackageReleaseVersionStatus
passenger (PTS)bullseye5.0.30-1.2+deb11u1fixed
bookworm6.0.17+ds-1fixed
sid, trixie6.0.20+ds-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
passengersource(unstable)(not affected)
ruby-passengersource(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

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