CVE-2011-4105 Path traversal in n/a

Low 1.9 Published 17 Feb 2012 Updated 7 Aug 2024

Local attackers can exploit a symlink vulnerability in LightDM to change ownership of arbitrary files, potentially leading to privilege escalation.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2011-4105?

CVE-2011-4105 is a low-severity path traversal vulnerability in n/a, published on 17 Feb 2012. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

LightDM before 1.0.6 allows local users to change ownership of arbitrary files via a symlink attack on ~/.Xauthority.

Weakness: CWE-59

Which versions are affected by CVE-2011-4105?

It affects 1 product.

Products include Robert Ancell Lightdm.

How do I fix CVE-2011-4105?

Upgrade to a fixed version.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2011-4105 being exploited?

There is no known exploitation of CVE-2011-4105 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2011-4105, GHSA-vwp3-7r9h-7h5c.