SB2014012803 - Link following in Freedesktop pyxdg
Published: January 28, 2014 Updated: August 10, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Link following (CVE-ID: CVE-2014-1624)
The vulnerability allows a remote non-authenticated attacker to manipulate or delete data.
Race condition in the xdg.BaseDirectory.get_runtime_dir function in python-xdg 0.25 allows local users to overwrite arbitrary files by pre-creating /tmp/pyxdg-runtime-dir-fallback-victim to point to a victim-owned location, then replacing it with a symlink to an attacker-controlled location once the get_runtime_dir function is called.
Remediation
Install update from vendor's website.