Ubuntu 1482-2: ClamAV regression

    Date19 Jun 2012
    CategoryUbuntu
    114
    Posted ByLinuxSecurity Advisories
    ClamAV could improperly detect malware if it opened a specially crafted file.
    ==========================================================================
    Ubuntu Security Notice USN-1482-2
    June 20, 2012
    
    clamav regression
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 12.04 LTS
    - Ubuntu 11.10
    - Ubuntu 11.04
    
    Summary:
    
    ClamAV could improperly detect malware if it opened a specially crafted file.
    
    Software Description:
    - clamav: Anti-virus utility for Unix
    
    Details:
    
    USN-1482-1 fixed vulnerabilities in ClamAV. The updated packages could fail
    to install in certain situations. This update fixes the problem.
    
    We apologize for the inconvenience.
    
    Original advisory details:
    
     It was discovered that ClamAV incorrectly handled certain malformed TAR
     archives. A remote attacker could create a specially-crafted TAR file
     containing malware that could escape being detected. (CVE-2012-1457,
     CVE-2012-1459)
     
     It was discovered that ClamAV incorrectly handled certain malformed CHM
     files. A remote attacker could create a specially-crafted CHM file
     containing malware that could escape being detected. (CVE-2012-1458)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 12.04 LTS:
      clamav                          0.97.5+dfsg-1ubuntu0.12.04.2
      clamav-daemon                   0.97.5+dfsg-1ubuntu0.12.04.2
      libclamav6                      0.97.5+dfsg-1ubuntu0.12.04.2
    
    Ubuntu 11.10:
      clamav                          0.97.5+dfsg-1ubuntu0.11.10.2
      clamav-daemon                   0.97.5+dfsg-1ubuntu0.11.10.2
      libclamav6                      0.97.5+dfsg-1ubuntu0.11.10.2
    
    Ubuntu 11.04:
      clamav                          0.97.5+dfsg-1ubuntu0.11.04.2
      clamav-daemon                   0.97.5+dfsg-1ubuntu0.11.04.2
      libclamav6                      0.97.5+dfsg-1ubuntu0.11.04.2
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-1482-2
      http://www.ubuntu.com/usn/usn-1482-1
      https://launchpad.net/bugs/1015337
    
    Package Information:
      https://launchpad.net/ubuntu/+source/clamav/0.97.5+dfsg-1ubuntu0.12.04.2
      https://launchpad.net/ubuntu/+source/clamav/0.97.5+dfsg-1ubuntu0.11.10.2
      https://launchpad.net/ubuntu/+source/clamav/0.97.5+dfsg-1ubuntu0.11.04.2
    
    
    
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