USN-3322-1: Exim vulnerability

Discussion in 'Security' started by Ubuntu Security Notices, Jun 19, 2017.

  1. Ubuntu Security Notice USN-3322-1


    19th June, 2017

    exim4 vulnerability


    A security issue affects these releases of Ubuntu and its derivatives:

    • Ubuntu 17.04
    • Ubuntu 16.10
    • Ubuntu 16.04 LTS
    • Ubuntu 14.04 LTS
    Summary


    Exim could be made to run programs as an administrator.

    Software description

    • exim4 - Exim is a mail transport agent
    Details


    It was discovered that Exim did not properly deallocate memory when
    processing certain command line arguments. A local attacker could use this
    in conjunction with another vulnerability to possibly execute arbitrary
    code and gain administrative privileges.

    Update instructions


    The problem can be corrected by updating your system to the following package version:

    Ubuntu 17.04:
    exim4-daemon-heavy 4.88-5ubuntu1.1
    exim4-daemon-light 4.88-5ubuntu1.1
    Ubuntu 16.10:
    exim4-daemon-heavy 4.87-3ubuntu1.2
    exim4-daemon-light 4.87-3ubuntu1.2
    Ubuntu 16.04 LTS:
    exim4-daemon-heavy 4.86.2-2ubuntu2.2
    exim4-daemon-light 4.86.2-2ubuntu2.2
    Ubuntu 14.04 LTS:
    exim4-daemon-heavy 4.82-3ubuntu2.3
    exim4-daemon-light 4.82-3ubuntu2.3

    To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

    In general, a standard system update will make all the necessary changes.

    References


    CVE-2017-1000369

    Continue reading...
     

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