Ubuntu 1436-1: Libtasn1 vulnerability

    Date02 May 2012
    CategoryUbuntu
    68
    Posted ByLinuxSecurity Advisories
    Libtasn1 could be made to crash or run programs as your login if it received specially crafted input.
    ==========================================================================
    Ubuntu Security Notice USN-1436-1
    May 02, 2012
    
    libtasn1-3 vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 12.04 LTS
    - Ubuntu 11.10
    - Ubuntu 11.04
    - Ubuntu 10.04 LTS
    - Ubuntu 8.04 LTS
    
    Summary:
    
    Libtasn1 could be made to crash or run programs as your login if it
    received specially crafted input.
    
    Software Description:
    - libtasn1-3: Library to manage ASN.1 structures
    
    Details:
    
    Matthew Hall discovered that Libtasn1 incorrectly handled certain large
    values. An attacker could exploit this with a specially crafted ASN.1
    structure and cause 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 12.04 LTS:
      libtasn1-3                      2.10-1ubuntu1.1
    
    Ubuntu 11.10:
      libtasn1-3                      2.9-4ubuntu0.1
    
    Ubuntu 11.04:
      libtasn1-3                      2.7-1ubuntu1.1
    
    Ubuntu 10.04 LTS:
      libtasn1-3                      2.4-1ubuntu0.1
    
    Ubuntu 8.04 LTS:
      libtasn1-3                      1.1-1ubuntu0.1
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-1436-1
      CVE-2012-1569
    
    Package Information:
      https://launchpad.net/ubuntu/+source/libtasn1-3/2.10-1ubuntu1.1
      https://launchpad.net/ubuntu/+source/libtasn1-3/2.9-4ubuntu0.1
      https://launchpad.net/ubuntu/+source/libtasn1-3/2.7-1ubuntu1.1
      https://launchpad.net/ubuntu/+source/libtasn1-3/2.4-1ubuntu0.1
      https://launchpad.net/ubuntu/+source/libtasn1-3/1.1-1ubuntu0.1
    
    
    
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