SB2018042204 - Directory traversal in Sympa
Published: April 22, 2018 Updated: September 10, 2018
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Path traversal (CVE-ID: CVE-2018-1000550)
The vulnerability allows a remote attacker to create or modify files on the filesystem.
The vulnerability exists due to input validation error when processing directory traversal sequences in wwsympa.fcgi when editing templates. A remote authenticated attacker can send a specially crafted HTTP GET or POST request and edit or create files on the system outside the webroot directory.
Remediation
Install update from vendor's website.