Ubuntu 3353-2: Samba vulnerability

    Date 14 Jul 2017
    Posted By LinuxSecurity Advisories
    Samba could allow unintended access to network services.
    Ubuntu Security Notice USN-3353-2
    July 14, 2017
    samba 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
    Samba could allow unintended access to network services.
    Software Description:
    - samba: SMB/CIFS file, print, and login server for Unix
    USN-3353-1 fixed a vulnerability in Heimdal. This update provides
    the corresponding update for Samba.
    Jeffrey Altman, Viktor Dukhovni, and Nicolas Williams discovered
    that Samba clients incorrectly trusted unauthenticated portions of
    Kerberos tickets. A remote attacker could use this to impersonate
    trusted network servers or perform other attacks.
    Update instructions:
    The problem can be corrected by updating your system to the following
    package versions:
    Ubuntu 17.04:
      samba-libs                      2:4.5.8+dfsg-0ubuntu0.17.04.4
    Ubuntu 16.10:
      samba-libs                      2:4.4.5+dfsg-2ubuntu5.8
    Ubuntu 16.04 LTS:
      samba-libs                      2:4.3.11+dfsg-0ubuntu0.16.04.9
    Ubuntu 14.04 LTS:
      samba-libs                      2:4.3.11+dfsg-0ubuntu0.14.04.10
    In general, a standard system update will make all the necessary changes.
    Package Information:

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