Ubuntu 1169-1: APT vulnerability

    Date13 Jul 2011
    CategoryUbuntu
    39
    Posted ByLinuxSecurity Advisories
    An attacker could trick APT into installing altered packages.
    ==========================================================================
    Ubuntu Security Notice USN-1169-1
    July 13, 2011
    
    apt vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 11.04
    
    Summary:
    
    An attacker could trick APT into installing altered packages.
    
    Software Description:
    - apt: Advanced front-end for dpkg
    
    Details:
    
    William Grant discovered that APT incorrectly validated inline GPG
    signatures. If a remote attacker were able to perform a man-in-the-middle
    attack, this flaw could potentially be used to install altered packages.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 11.04:
      apt                             0.8.13.2ubuntu4.1
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-1169-1
      CVE-2011-1829
    
    Package Information:
      https://launchpad.net/ubuntu/+source/apt/0.8.13.2ubuntu4.1
    
    
    
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