Ubuntu 3296-1: Samba vulnerability

    Date24 May 2017
    CategoryUbuntu
    100
    Posted ByLinuxSecurity Advisories
    Samba could be made to run programs as an administrator.
    ==========================================================================
    Ubuntu Security Notice USN-3296-1
    May 24, 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
    
    Summary:
    
    Samba could be made to run programs as an administrator.
    
    Software Description:
    - samba: SMB/CIFS file, print, and login server for Unix
    
    Details:
    
    It was discovered that Samba incorrectly handled shared libraries. A remote
    attacker could use this flaw to upload a shared library to a writable share
    and execute arbitrary code.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 17.04:
      samba                           2:4.5.8+dfsg-0ubuntu0.17.04.2
    
    Ubuntu 16.10:
      samba                           2:4.4.5+dfsg-2ubuntu5.6
    
    Ubuntu 16.04 LTS:
      samba                           2:4.3.11+dfsg-0ubuntu0.16.04.7
    
    Ubuntu 14.04 LTS:
      samba                           2:4.3.11+dfsg-0ubuntu0.14.04.8
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://www.ubuntu.com/usn/usn-3296-1
      CVE-2017-7494
    
    Package Information:
      https://launchpad.net/ubuntu/+source/samba/2:4.5.8+dfsg-0ubuntu0.17.04.2
      https://launchpad.net/ubuntu/+source/samba/2:4.4.5+dfsg-2ubuntu5.6
      https://launchpad.net/ubuntu/+source/samba/2:4.3.11+dfsg-0ubuntu0.16.04.7
      https://launchpad.net/ubuntu/+source/samba/2:4.3.11+dfsg-0ubuntu0.14.04.8
    
    
    
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