Ubuntu 3728-3: ClamAV vulnerabilities

    Date02 Aug 2018
    CategoryUbuntu
    2613
    Posted ByAnthony Pell
    Several security issues were fixed in ClamAV.
    ==========================================================================
    Ubuntu Security Notice USN-3728-3
    August 02, 2018
    
    clamav vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 12.04 ESM
    
    Summary:
    
    Several security issues were fixed in ClamAV.
    
    Software Description:
    - clamav: Anti-virus utility for Unix
    
    Details:
    
    USN-3728-2 fixed several vulnerabilities in ClamAV. This update
    provides the corresponding update for Ubuntu 12.04 ESM.
    
    Original advisory details:
    
     Hanno Böck discovered that libmspack incorrectly handled certain CHM
     files. An attacker could possibly use this issue to cause a denial of
     service. (CVE-2018-14679, CVE-2018-14680)
    
     Jakub Wilk discovered that libmspack incorrectly handled certain KWAJ
     files. An attacker could possibly use this issue to execute arbitrary
     code. (CVE-2018-14681)
    
     Dmitry Glavatskikh discovered that libmspack incorrectly certain CHM
     files. An attacker could possibly use this issue to execute arbitrary
     code. (CVE-2018-14682)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 12.04 ESM:
      clamav                          0.100.1+dfsg-1ubuntu0.12.04.3
    
    In general, a standard system update will make all the necessary
    changes.
    
    References:
      https://usn.ubuntu.com/usn/usn-3728-3
      https://usn.ubuntu.com/usn/usn-3728-1
      CVE-2018-14679, CVE-2018-14680, CVE-2018-14681, CVE-2018-14682
    
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