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.
References (4)
Core 4
Core References
Third Party Advisory x_refsource_confirm
https://blog.phusion.nl/2017/10/13/passenger-security-advisory-5-1-11/
Patch, Third Party Advisory x_refsource_confirm
https://github.com/phusion/passenger/commit/4043718264095cde6623c2cbe8c644541036d7bf
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2019/dsa-4415
Issue Tracking, Mailing List, Third Party Advisory mailing-list
x_refsource_bugtraq
https://seclists.org/bugtraq/2019/Mar/34
Scores
CVSS v3
4.7
EPSS
0.0014
EPSS Percentile
33.0%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Details
CWE
CWE-200
Status
published
Products (4)
debian/debian_linux
9.0
phusion/passenger
5.0.10 - 5.1.10
phusion/passenger
5.0.10 - 5.1.11
rubygems/passenger
0 - 5.1.11RubyGems
Published
Dec 14, 2017
Tracked Since
Feb 18, 2026