Ubuntu 2427-1: Libksba vulnerability

    Date27 Nov 2014
    CategoryUbuntu
    30
    Posted ByLinuxSecurity Advisories
    Libksba could be made to crash or run programs if it opened a specially crafted file.
    ==========================================================================
    Ubuntu Security Notice USN-2427-1
    November 27, 2014
    
    libksba vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 14.10
    - Ubuntu 14.04 LTS
    - Ubuntu 12.04 LTS
    
    Summary:
    
    Libksba could be made to crash or run programs if it opened a specially
    crafted file.
    
    Software Description:
    - libksba: X.509 and CMS support library
    
    Details:
    
    Hanno Böck discovered that Libksba incorrectly handled certain S/MIME
    messages or ECC based OpenPGP data. An attacker could use this issue to
    cause Libksba to crash, resulting in a denial of service, or possibly execute
    arbitrary code.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 14.10:
      libksba8                        1.3.0-3ubuntu0.14.10.1
    
    Ubuntu 14.04 LTS:
      libksba8                        1.3.0-3ubuntu0.14.04.1
    
    Ubuntu 12.04 LTS:
      libksba8                        1.2.0-2ubuntu0.1
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-2427-1
      CVE-2014-9087
    
    Package Information:
      https://launchpad.net/ubuntu/+source/libksba/1.3.0-3ubuntu0.14.10.1
      https://launchpad.net/ubuntu/+source/libksba/1.3.0-3ubuntu0.14.04.1
      https://launchpad.net/ubuntu/+source/libksba/1.2.0-2ubuntu0.1
    
    
    
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