Ubuntu 2303-1: Unity vulnerability

    Date31 Jul 2014
    CategoryUbuntu
    51
    Posted ByLinuxSecurity Advisories
    The Unity lock screen could possibly be bypassed in certain circumstances.
    ==========================================================================
    Ubuntu Security Notice USN-2303-1
    July 31, 2014
    
    unity vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 14.04 LTS
    
    Summary:
    
    The Unity lock screen could possibly be bypassed in certain circumstances.
    
    Software Description:
    - unity: Interface designed for efficiency of space and interaction.
    
    Details:
    
    It was discovered that in certain circumstances Unity failed to
    successfully grab the keyboard when switching to the lock screen. A local
    attacker could possibly use this issue to run commands, and unlock the
    current session.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 14.04 LTS:
      unity                           7.2.2+14.04.20140714-0ubuntu1.1
    
    After a standard system update you need to restart your session to make all
    the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-2303-1
      https://launchpad.net/bugs/1349128
    
    Package Information:
      https://launchpad.net/ubuntu/+source/unity/7.2.2+14.04.20140714-0ubuntu1.1
    
    
    
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