Ubuntu 1495-1: LibreOffice vulnerabilities

    Date02 Jul 2012
    CategoryUbuntu
    40
    Posted ByLinuxSecurity Advisories
    LibreOffice could be made to crash or potentially run programs as your login if it opened a specially crafted file.
    ==========================================================================
    Ubuntu Security Notice USN-1495-1
    July 02, 2012
    
    libreoffice, libreoffice-l10n vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 11.10
    - Ubuntu 11.04
    
    Summary:
    
    LibreOffice could be made to crash or potentially run programs as your
    login if it opened a specially crafted file.
    
    Software Description:
    - libreoffice: Office productivity suite
    - libreoffice-l10n: Office productivity suite help
    
    Details:
    
    Integer overflows were discovered in the graphics loading code of several
    different image types. If a user were tricked into opening a specially
    crafted file, an attacker could cause LibreOffice to crash or possibly
    execute arbitrary code with the privileges of the user invoking the
    program. (CVE-2012-1149)
    
    Sven Jacobi discovered an integer overflow when processing Escher graphics
    records. If a user were tricked into opening a specially crafted PowerPoint
    file, an attacker could cause LibreOffice to crash or possibly execute
    arbitrary code with the privileges of the user invoking the program.
    (CVE-2012-2334)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 11.10:
      libreoffice-core                1:3.4.4-0ubuntu1.2
      libreoffice-l10n-common         1:3.4.4-0ubuntu1.2
    
    Ubuntu 11.04:
      libreoffice-core                1:3.3.4-0ubuntu1.2
      libreoffice-l10n-common         1:3.3.3-1ubuntu1.2
    
    After a standard system update you need to restart LibreOffice to make all
    the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-1495-1
      CVE-2012-1149, CVE-2012-2334
    
    Package Information:
      https://launchpad.net/ubuntu/+source/libreoffice/1:3.4.4-0ubuntu1.2
      https://launchpad.net/ubuntu/+source/libreoffice-l10n/1:3.4.4-0ubuntu1.2
      https://launchpad.net/ubuntu/+source/libreoffice/1:3.3.4-0ubuntu1.2
      https://launchpad.net/ubuntu/+source/libreoffice-l10n/1:3.3.3-1ubuntu1.2
    
    
    
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