Ubuntu 1962-1: ubuntu-system-service vulnerability

    Date18 Sep 2013
    CategoryUbuntu
    32
    Posted ByLinuxSecurity Advisories
    ubuntu-system-service could be tricked into bypassing polkit authorizations.
    ==========================================================================
    Ubuntu Security Notice USN-1962-1
    September 18, 2013
    
    ubuntu-system-service vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 13.04
    - Ubuntu 12.10
    - Ubuntu 12.04 LTS
    
    Summary:
    
    ubuntu-system-service could be tricked into bypassing polkit
    authorizations.
    
    Software Description:
    - ubuntu-system-service: Dbus service to set various system-wide configurations
    
    Details:
    
    It was discovered that ubuntu-system-service was using polkit in an unsafe
    manner. A local attacker could possibly use this issue to bypass intended
    polkit authorizations.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 13.04:
      ubuntu-system-service           0.2.4.1
    
    Ubuntu 12.10:
      ubuntu-system-service           0.2.3.1
    
    Ubuntu 12.04 LTS:
      ubuntu-system-service           0.2.2.1
    
    After a standard system update you need to reboot your computer to make
    all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-1962-1
      CVE-2013-1062
    
    Package Information:
      https://launchpad.net/ubuntu/+source/ubuntu-system-service/0.2.4.1
      https://launchpad.net/ubuntu/+source/ubuntu-system-service/0.2.3.1
      https://launchpad.net/ubuntu/+source/ubuntu-system-service/0.2.2.1
    
    
    
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