Ubuntu 4435-2: ClamAV vulnerabilities

    Date 27 Jul 2020
    112
    Posted By LinuxSecurity Advisories
    Several security issues were fixed in ClamAV.
    ==========================================================================
    Ubuntu Security Notice USN-4435-2
    July 27, 2020
    
    clamav vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 14.04 ESM
    - Ubuntu 12.04 ESM
    
    Summary:
    
    Several security issues were fixed in ClamAV.
    
    Software Description:
    - clamav: Anti-virus utility for Unix
    
    Details:
    
    USN-4435-1 fixed several vulnerabilities in ClamAV. This update provides
    the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
    
    Original advisory details:
    
     It was discovered that ClamAV incorrectly handled parsing ARJ archives. A
     remote attacker could possibly use this issue to cause ClamAV to crash,
     resulting in a denial of service. (CVE-2020-3327)
    
     It was discovered that ClamAV incorrectly handled scanning malicious files.
     A local attacker could possibly use this issue to delete arbitrary files.
     (CVE-2020-3350)
    
     It was discovered that ClamAV incorrectly handled parsing EGG archives. A
     remote attacker could possibly use this issue to cause ClamAV to crash,
     resulting in a denial of service. (CVE-2020-3481)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 14.04 ESM:
      clamav                          0.102.4+dfsg-0ubuntu0.14.04.1+esm1
    
    Ubuntu 12.04 ESM:
      clamav                          0.102.4+dfsg-0ubuntu0.12.04.1
    
    This update uses a new upstream release, which includes additional bug
    fixes. In general, a standard system update will make all the necessary
    changes.
    
    References:
      https://usn.ubuntu.com/4435-2
      https://usn.ubuntu.com/4435-1
      CVE-2020-3327, CVE-2020-3350, CVE-2020-3481
    

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