Ubuntu 3156-2: APT regression

    Date16 Dec 2016
    Posted ByLinuxSecurity Advisories
    USN-3156-1 introduced a regression in unattended-upgrades that may requiremanual intervention to repair.
    Ubuntu Security Notice USN-3156-2
    December 17, 2016
    apt regression
    A security issue affects these releases of Ubuntu and its derivatives:
    - Ubuntu 16.10
    USN-3156-1 introduced a regression in unattended-upgrades that may require
    manual intervention to repair.
    Software Description:
    - apt: Advanced front-end for dpkg
    USN-3156-1 fixed vulnerabilities in APT. It also caused a bug in
    unattended-upgrades on that may require manual intervention to repair.
    Users on Ubuntu 16.10 should run the following commands at a
    sudo dpkg --configure --pending
    sudo apt-get -f install
    This update fixes the problem.
    We apologize for the inconvenience.
    Original advisory details:
     Jann Horn discovered that APT incorrectly handled InRelease files.
     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 16.10:
      apt                             1.3.3
    After a standard system update you should run the following commands
    to make all the necessary changes:
    sudo dpkg --configure --pending
    sudo apt-get -f install
    Package Information:
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