CVE-2011-3153 Path traversal in n/a
Local attackers can read arbitrary files via symlink attacks on the user configuration file in LightDM.
- 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-2011-3153?
CVE-2011-3153 is a low-severity path traversal vulnerability in Canonical Ubuntu Linux, published on 6 Mar 2014. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
dmrc.c in Light Display Manager (aka LightDM) before 1.1.1 allows local users to read arbitrary files via a symlink attack on ~/.dmrc.
Weakness: CWE-59
Which versions are affected by CVE-2011-3153?
It affects 2 products.
Products include Canonical Ubuntu Linux, Robert Ancell Lightdm.
How do I fix CVE-2011-3153?
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-2011-3153 being exploited?
There is no known exploitation of CVE-2011-3153 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2011-3153, GHSA-gc5f-r48c-j357.