Ubuntu 4124-2: Exim vulnerability

    Date16 Sep 2019
    Posted ByLinuxSecurity Advisories
    Ubuntu Large
    Exim could be made to run programs as an administrator if it received specially crafted network traffic.
    Ubuntu Security Notice USN-4124-2
    September 16, 2019
    exim4 vulnerability
    A security issue affects these releases of Ubuntu and its derivatives:
    - Ubuntu 14.04 ESM
    Exim could be made to run programs as an administrator if it received
    specially crafted network traffic.
    Software Description:
    - exim4: Exim is a mail transport agent
    USN-4124-1 fixed a vulnerability in Exim. This update provides
    the corresponding update for Ubuntu 14.04 ESM.
    Original advisory details:
     It was discovered that Exim incorrectly handled certain decoding
     operations. A remote attacker could possibly use this issue to execute
     arbitrary commands.
    Update instructions:
    The problem can be corrected by updating your system to the following
    package versions:
    Ubuntu 14.04 ESM:
      exim4-daemon-heavy              4.82-3ubuntu2.4+esm1
      exim4-daemon-light              4.82-3ubuntu2.4+esm1
    In general, a standard system update will make all the necessary changes.
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