Ubuntu 4160-1: UW IMAP vulnerability

    Date21 Oct 2019
    354
    Posted ByLinuxSecurity Advisories
    UW IMAP could be made to execute programs if it received specially crafted input.
    ==========================================================================
    Ubuntu Security Notice USN-4160-1
    October 21, 2019
    
    uw-imap vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 19.04
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    
    Summary:
    
    UW IMAP could be made to execute programs if it received specially crafted
    input.
    
    Software Description:
    - uw-imap: c-client library for mail protocols - library files
    
    Details:
    
    It was discovered that UW IMAP incorrectly handled inputs. A remote attacker
    could possibly use this issue to execute arbitrary OS commands.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 19.04:
      libc-client2007e                8:2007f~dfsg-5ubuntu0.19.04.2
      mlock                           8:2007f~dfsg-5ubuntu0.19.04.2
      uw-mailutils                    8:2007f~dfsg-5ubuntu0.19.04.2
    
    Ubuntu 18.04 LTS:
      libc-client2007e                8:2007f~dfsg-5ubuntu0.18.04.2
      mlock                           8:2007f~dfsg-5ubuntu0.18.04.2
      uw-mailutils                    8:2007f~dfsg-5ubuntu0.18.04.2
    
    Ubuntu 16.04 LTS:
      libc-client2007e                8:2007f~dfsg-4+deb8u1build0.16.04.1
      mlock                           8:2007f~dfsg-4+deb8u1build0.16.04.1
      uw-mailutils                    8:2007f~dfsg-4+deb8u1build0.16.04.1
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4160-1
      CVE-2018-19518
    
    Package Information:
      https://launchpad.net/ubuntu/+source/uw-imap/8:2007f~dfsg-5ubuntu0.19.04.2
      https://launchpad.net/ubuntu/+source/uw-imap/8:2007f~dfsg-5ubuntu0.18.04.2
      
    https://launchpad.net/ubuntu/+source/uw-imap/8:2007f~dfsg-4+deb8u1build0.16.04.1
    
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