CVE-2018-12028

HIGH

Phusion Passenger 5.3.x <5.3.2 - Info Disclosure

Title source: llm
STIX 2.1

Description

An Incorrect Access Control vulnerability in SpawningKit in Phusion Passenger 5.3.x before 5.3.2 allows a Passenger-managed malicious application, upon spawning a child process, to report an arbitrary different PID back to Passenger's process manager. If the malicious application then generates an error, it would cause Passenger's process manager to kill said reported arbitrary PID.

References (2)

Core 2
Core References
Mitigation, Vendor Advisory x_refsource_misc
https://blog.phusion.nl/passenger-5-3-2
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201807-02

Scores

CVSS v3 7.8
EPSS 0.0018
EPSS Percentile 38.6%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-732
Status published
Products (2)
phusion/passenger 5.3.0 - 5.3.2
rubygems/passenger 5.3.0 - 5.3.2RubyGems
Published Jun 17, 2018
Tracked Since Feb 18, 2026