CVE-2017-16355 Information

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.

CVSS Vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Reference

https://blog.phusion.nl/2017/10/13/passenger-security-advisory-5-1-11/ https://github.com/phusion/passenger/commit/4043718264095cde6623c2cbe8c644541036d7bf https://seclists.org/bugtraq/2019/Mar/34 https://www.debian.org/security/2019/dsa-4415

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

4.7