VULNERABILITY INTELLIGENCE

CVE-2018-12615

CVSS score5.3 MEDIUM
EPSS probability1.20%
CISA KEVNot currently listed
Published2018-06-21
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

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.

Weakness classification

  • CWE-732: Incorrect Permission Assignment for Critical Resource

Primary references