CVE-2014-3204 Auth bypass in n/a
Physically proximate attackers can bypass the Unity lock screen via keyboard shortcuts to execute arbitrary commands on Ubuntu systems.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2014-3204?
CVE-2014-3204 is a medium-severity authentication bypass vulnerability in Canonical Ubuntu Linux, published on 6 May 2014. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Unity before 7.2.1, as used in Ubuntu 14.04, does not properly handle keyboard shortcuts, which allows physically proximate attackers to bypass the lock screen and execute arbitrary commands, as demonstrated by right-clicking on the indicator bar and then pressing the ALT and F2 keys.
Weakness: CWE-264
Which versions are affected by CVE-2014-3204?
It affects 2 products.
Products include Ayatana Project Unity, Canonical Ubuntu Linux.
How do I fix CVE-2014-3204?
Upgrade to a fixed version.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2014-3204 being exploited?
There is no known exploitation of CVE-2014-3204 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as GHSA-qc2w-7hh9-mj28, UBUNTU-CVE-2014-3204.