Ubuntu 3242-1: Samba vulnerability

    Date23 Mar 2017
    CategoryUbuntu
    90
    Posted ByLinuxSecurity Advisories
    Samba could be made to expose sensitive information over the network.
    ==========================================================================
    Ubuntu Security Notice USN-3242-1
    March 23, 2017
    
    samba vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 16.10
    - Ubuntu 16.04 LTS
    - Ubuntu 14.04 LTS
    - Ubuntu 12.04 LTS
    
    Summary:
    
    Samba could be made to expose sensitive information over the network.
    
    Software Description:
    - samba: SMB/CIFS file, print, and login server for Unix
    
    Details:
    
    Jann Horn discovered that Samba incorrectly handled symlinks. An
    authenticated remote attacker could use this issue to access files on the
    server outside of the exported directories.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 16.10:
      samba                           2:4.4.5+dfsg-2ubuntu5.4
    
    Ubuntu 16.04 LTS:
      samba                           2:4.3.11+dfsg-0ubuntu0.16.04.5
    
    Ubuntu 14.04 LTS:
      samba                           2:4.3.11+dfsg-0ubuntu0.14.04.6
    
    Ubuntu 12.04 LTS:
      samba                           2:3.6.25-0ubuntu0.12.04.9
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-3242-1
      CVE-2017-2619
    
    Package Information:
      https://launchpad.net/ubuntu/+source/samba/2:4.4.5+dfsg-2ubuntu5.4
      https://launchpad.net/ubuntu/+source/samba/2:4.3.11+dfsg-0ubuntu0.16.04.5
      https://launchpad.net/ubuntu/+source/samba/2:4.3.11+dfsg-0ubuntu0.14.04.6
      https://launchpad.net/ubuntu/+source/samba/2:3.6.25-0ubuntu0.12.04.9
    
    
    
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