ADVISORIES

• CVE-2017-16355 (NVD)
• GHSA-cv3f-px9r-54hm
• Vendor Advisory

GEM

passenger

SEVERITY

CVSS v3.x: 4.7 (Medium)

PATCHED VERSIONS

• >= 5.1.11

DESCRIPTION

In agent/Core/SpawningKit/Spawner.h in Phusion Passenger 5.1.10 (fixed in Passenger Open Source 5.1.11 and Passenger Enterprise 5.1.10), if Passenger is running as root, it is possible to list the contents of arbitrary files on a system by symlinking a file named REVISION from the application root folder to a file of choice and querying passenger-status –show=xml.

RELATED

• https://blog.phusion.nl/2017/10/13/passenger-security-advisory-5-1-11/
• https://seclists.org/bugtraq/2019/Mar/34
• https://www.debian.org/security/2019/dsa-4415