CVE-2018-12615

EUVD-2022-2266
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 41%
Affected Products (NVD)
VendorProductVersion
phusionpassenger
𝑥
< 5.3.2
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
passenger
bookworm
6.0.17+ds-1
fixed
bullseye
5.0.30-1.2+deb11u1
fixed
sid
6.0.20+ds-1
fixed
trixie
6.0.20+ds-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
passenger
artful
ignored
bionic
not-affected
cosmic
ignored
disco
ignored
eoan
ignored
focal
not-affected
trusty
dne
xenial
not-affected
ruby-passenger
artful
dne
bionic
dne
cosmic
dne
disco
dne
eoan
dne
focal
dne
trusty
dne
xenial
dne
Common Weakness Enumeration
References
https://github.com/phusion/passenger/commit/4e97fdb86d0a0141ec9a052c6e691fcd07bb45c8
https://github.com/phusion/passenger/commit/4e97fdb86d0a0141ec9a052c6e691fcd07bb45c8