phusion/passenger · Security

Phusion Passenger incorrect permission assignment

GHSA ID
GHSA-4284-jfhc-f854
CVE ID
CVE-2018-12615
Severity
medium
Published
Updated
CVSS
5.3 · CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS v3
5.3 · CVSS: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.

CWEs

References