Ubuntu 4158-1: LibTIFF vulnerabilities

    Date17 Oct 2019
    CategoryUbuntu
    354
    Posted ByLinuxSecurity Advisories
    Ubuntu Large
    Several security issues were fixed in LibTIFF.
    ==========================================================================
    Ubuntu Security Notice USN-4158-1
    October 17, 2019
    
    tiff vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 19.04
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    
    Summary:
    
    Several security issues were fixed in LibTIFF.
    
    Software Description:
    - tiff: Tag Image File Format (TIFF) library
    
    Details:
    
    It was 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.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 19.04:
      libtiff-tools                   4.0.10-4ubuntu0.1
      libtiff5                        4.0.10-4ubuntu0.1
    
    Ubuntu 18.04 LTS:
      libtiff-tools                   4.0.9-5ubuntu0.3
      libtiff5                        4.0.9-5ubuntu0.3
    
    Ubuntu 16.04 LTS:
      libtiff-tools                   4.0.6-1ubuntu0.7
      libtiff5                        4.0.6-1ubuntu0.7
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4158-1
      CVE-2019-14973, CVE-2019-17546
    
    Package Information:
      https://launchpad.net/ubuntu/+source/tiff/4.0.10-4ubuntu0.1
      https://launchpad.net/ubuntu/+source/tiff/4.0.9-5ubuntu0.3
      https://launchpad.net/ubuntu/+source/tiff/4.0.6-1ubuntu0.7
    
    
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