Linux Security
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    Ubuntu 1655-1: LibTIFF vulnerability

    Date 05 Dec 2012
    Posted By LinuxSecurity Advisories
    Programs that use LibTIFF could be made to crash or run programs if theyopened a specially crafted file.
    Ubuntu Security Notice USN-1655-1
    December 05, 2012
    tiff vulnerability
    A security issue affects these releases of Ubuntu and its derivatives:
    - Ubuntu 12.04 LTS
    - Ubuntu 11.10
    - Ubuntu 10.04 LTS
    - Ubuntu 8.04 LTS
    Programs that use LibTIFF could be made to crash or run programs if they
    opened a specially crafted file.
    Software Description:
    - tiff: Tag Image File Format (TIFF) library
    It was discovered that LibTIFF incorrectly handled certain malformed
    images using the DOTRANGE tag. If a user or automated system were
    tricked into opening a specially crafted TIFF image, a remote attacker
    could crash the application, leading to a denial of service, or possibly
    execute arbitrary code with user privileges.
    Update instructions:
    The problem can be corrected by updating your system to the following
    package versions:
    Ubuntu 12.04 LTS:
      libtiff4                        3.9.5-2ubuntu1.4
    Ubuntu 11.10:
      libtiff4                        3.9.5-1ubuntu1.5
    Ubuntu 10.04 LTS:
      libtiff4                        3.9.2-2ubuntu0.12
    Ubuntu 8.04 LTS:
      libtiff4                        3.8.2-7ubuntu3.16
    In general, a standard system update will make all the necessary changes.
    Package Information:

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