SB2017121449 - Information disclosure in Phusion Passenger
Published: December 14, 2017 Updated: March 25, 2019
Security Bulletin ID
SB2017121449
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) UNIX symbolic link following (CVE-ID: CVE-2017-16355)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to a symlink following issue within the agent/Core/SpawningKit/Spawner.h file. A local user can create a specially crafted symbolic link from the REVISION file to an arbitrary file on the system and view contest of arbitrary file through "passenger-status --show=xml" command.
Remediation
Install update from vendor's website.