Ubuntu 3296-2: Samba vulnerability

    Date24 May 2017
    CategoryUbuntu
    39
    Posted ByLinuxSecurity Advisories
    Samba could be made to run programs as an administrator.
    ==========================================================================
    Ubuntu Security Notice USN-3296-2
    May 24, 2017
    
    samba vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 12.04 ESM
    
    Summary:
    
    Samba could be made to run programs as an administrator.
    
    Software Description:
    - samba: SMB/CIFS file, print, and login server for Unix
    
    Details:
    
    USN-3296-1 fixed a vulnerability in Samba. This update provides the
    corresponding update for Ubuntu 12.04 ESM.
    
    Original advisory 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 12.04 ESM:
      samba                           2:3.6.25-0ubuntu0.12.04.11
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://www.ubuntu.com/usn/usn-3296-2
      https://www.ubuntu.com/usn/usn-3296-1
      CVE-2017-7494
    
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