| 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, 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) | stretch (security), stretch (lts), stretch | 5.0.30-1+deb9u1 | fixed |
| buster | 5.0.30-1.1 | fixed |
| bullseye | 5.0.30-1.2+deb11u1 | fixed |
| bookworm | 6.0.17+ds-1 | fixed |
| sid, trixie | 6.0.20+ds-1 | fixed |
| ruby-passenger (PTS) | jessie, jessie (lts) | 4.0.53-1+deb8u1 | 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