CVE-2014-3203

Summary

Unity before 7.2.1, as used in Ubuntu 14.04, does not properly restrict access to the Dash when the lock screen is active, which allows physically proximate attackers to bypass the lock screen and execute arbitrary commands, as demonstrated by pressing the SUPER key before the screen auto-locks.

Impact & exploitability

AV:L/AC:M/Au:N/C:P/I:P/A:P

Affected products we track (1)

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Additional information

• NVD record
• http://ubuntu.com/usn/usn-2184-1Advisory
• http://www.openwall.com/lists/oss-security/2014/04/29/2
• http://www.openwall.com/lists/oss-security/2014/05/03/1
• https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1308850Exploit