Ubuntu 1766-1: pam-xdg-support vulnerability

    Date18 Mar 2013
    CategoryUbuntu
    31
    Posted ByLinuxSecurity Advisories
    pam-xdg-support could be made to run programs as an administrator.
    ==========================================================================
    Ubuntu Security Notice USN-1766-1
    March 18, 2013
    
    pam-xdg-support vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 12.10
    
    Summary:
    
    pam-xdg-support could be made to run programs as an administrator.
    
    Software Description:
    - pam-xdg-support: PAM module for XDG_RUNTIME_DIR support
    
    Details:
    
    Zbigniew Tenerowicz and Sebastian Krzyszkowiak discovered that
    pam-xdg-support incorrectly handled the PATH environment variable. A local
    attacker could use this issue in combination with sudo to possibly escalate
    privileges.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 12.10:
      libpam-xdg-support              0.2-0ubuntu1.1
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-1766-1
      CVE-2013-1052
    
    Package Information:
      https://launchpad.net/ubuntu/+source/pam-xdg-support/0.2-0ubuntu1.1
    
    
    
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