PT-2018-10951 · Phusion · Phusion Passenger

Published 2018-06-17 · Updated 2022-05-13 · CVE-2018-12028

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Phusion Passenger versions 5.3.x through 5.3.1

Description The issue is related to an Incorrect Access Control vulnerability in SpawningKit. A malicious application managed by Passenger can report an arbitrary different PID back to Passenger's process manager upon spawning a child process. If the malicious application generates an error, it would cause Passenger's process manager to kill the reported arbitrary PID.

Recommendations For Phusion Passenger versions 5.3.x through 5.3.1, update to version 5.3.2 or later to resolve the issue.

Exploit

Fix

Incorrect Permission

Weakness Enumeration

CWE-732

Related Identifiers

CVE-2018-12028

GHSA-JJHJ-8GX7-X836

Affected Products

Phusion Passenger

References · 13

• 🔥 https://github.com/rubysec/ruby-advisory-db/blob/master/gems/passenger/CVE-2018-12028.yml · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-12028 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-12028 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-12028 · Vendor Advisory
• https://security.gentoo.org/glsa/201807-02 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2018-12028 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2018-12028 · Security Note
• https://blog.phusion.nl/passenger-5-3-2 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-jjhj-8gx7-x836 · Vendor Advisory
• https://github.com/phusion/passenger · Note
• https://github.com/phusion/passenger/commit/1e7c82deb4901c438f583737d8c9f2aac264737c · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12028 · Note
• https://blog.phusion.nl/2018/06/12/passenger-5-3-2-various-security-fixes · Note