Ubuntu 2553-2: LibTIFF regression

    Date01 Apr 2015
    CategoryUbuntu
    45
    Posted ByLinuxSecurity Advisories
    USN-2553-1 introduced a regression in LibTIFF.
    ==========================================================================
    Ubuntu Security Notice USN-2553-2
    April 01, 2015
    
    tiff regression
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 14.10
    - Ubuntu 14.04 LTS
    - Ubuntu 12.04 LTS
    - Ubuntu 10.04 LTS
    
    Summary:
    
    USN-2553-1 introduced a regression in LibTIFF.
    
    Software Description:
    - tiff: Tag Image File Format (TIFF) library
    
    Details:
    
    USN-2553-1 fixed vulnerabilities in LibTIFF. One of the security fixes
    caused a regression when saving certain TIFF files with a Predictor tag.
    The problematic patch has been temporarily backed out until a more complete
    fix is available.
    
    We apologize for the inconvenience.
    
    Original advisory details:
    
     William Robinet discovered that LibTIFF incorrectly handled certain
     malformed images. If a user or automated system were tricked into opening a
     specially crafted image, a remote attacker could crash the application,
     leading to a denial of service, or possibly execute arbitrary code with
     user privileges. (CVE-2014-8127, CVE-2014-8128, CVE-2014-8129,
     CVE-2014-8130)
      Paris Zoumpouloglou discovered that LibTIFF incorrectly handled certain
     malformed BMP images. If a user or automated system were tricked into
     opening a specially crafted BMP image, a remote attacker could crash the
     application, leading to a denial of service. (CVE-2014-9330)
      Michal Zalewski discovered that LibTIFF incorrectly handled certain
     malformed images. If a user or automated system were tricked into opening a
     specially crafted image, a remote attacker could crash the application,
     leading to a denial of service, or possibly execute arbitrary code with
     user privileges. (CVE-2014-9655)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 14.10:
      libtiff5                        4.0.3-10ubuntu0.2
    
    Ubuntu 14.04 LTS:
      libtiff5                        4.0.3-7ubuntu0.3
    
    Ubuntu 12.04 LTS:
      libtiff4                        3.9.5-2ubuntu1.8
    
    Ubuntu 10.04 LTS:
      libtiff4                        3.9.2-2ubuntu0.16
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-2553-2
      http://www.ubuntu.com/usn/usn-2553-1
      https://launchpad.net/bugs/1439186
    
    Package Information:
      https://launchpad.net/ubuntu/+source/tiff/4.0.3-10ubuntu0.2
      https://launchpad.net/ubuntu/+source/tiff/4.0.3-7ubuntu0.3
      https://launchpad.net/ubuntu/+source/tiff/3.9.5-2ubuntu1.8
      https://launchpad.net/ubuntu/+source/tiff/3.9.2-2ubuntu0.16
    
    
    
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