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    Ubuntu 4396-1: libexif vulnerabilities

    Date
    122
    Posted By
    Several security issues were fixed in libexif.
    ==========================================================================
    Ubuntu Security Notice USN-4396-1
    June 16, 2020
    
    libexif vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 20.04 LTS
    - Ubuntu 19.10
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    - Ubuntu 14.04 ESM
    - Ubuntu 12.04 ESM
    
    Summary:
    
    Several security issues were fixed in libexif.
    
    Software Description:
    - libexif: library to parse EXIF files
    
    Details:
    
    It was discovered that libexif incorrectly handled certain inputs.
    An attacker could possibly use this issue to expose sensitive information.
    (CVE-2020-0093, CVE-2020-0182)
    
    It was discovered that libexif incorrectly handled certain inputs.
    An attacker could possibly use this issue to cause a remote denial of service.
    (CVE-2020-0198)
    
    It was discovered that libexif incorrectly handled certain inputs.
    An attacker could possibly use this issue to expose sensitive information or
    cause a crash. (CVE-2020-13112)
    
    It was discovered that libexif incorrectly handled certain inputs.
    An attacker could possibly use this issue to cause a crash.
    (CVE-2020-13113)
    
    It was discovered libexif incorrectly handled certain inputs.
    An attacker could possibly use this issue to cause a denial of service.
    (CVE-2020-13114)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 20.04 LTS:
      libexif12                       0.6.21-6ubuntu0.3
    
    Ubuntu 19.10:
      libexif12                       0.6.21-5.1ubuntu0.5
    
    Ubuntu 18.04 LTS:
      libexif12                       0.6.21-4ubuntu0.5
    
    Ubuntu 16.04 LTS:
      libexif12                       0.6.21-2ubuntu0.5
    
    Ubuntu 14.04 ESM:
      libexif12                       0.6.21-1ubuntu1+esm5
    
    Ubuntu 12.04 ESM:
      libexif12                       0.6.20-2ubuntu0.6
    
    After a standard system update you need to restart your session to effect the necessary changes.
    
    References:
      https://usn.ubuntu.com/4396-1
      CVE-2020-0093, CVE-2020-0182, CVE-2020-0198, CVE-2020-13112,
      CVE-2020-13113, CVE-2020-13114
    
    Package Information:
      https://launchpad.net/ubuntu/+source/libexif/0.6.21-6ubuntu0.3
      https://launchpad.net/ubuntu/+source/libexif/0.6.21-5.1ubuntu0.5
      https://launchpad.net/ubuntu/+source/libexif/0.6.21-4ubuntu0.5
      https://launchpad.net/ubuntu/+source/libexif/0.6.21-2ubuntu0.5
    

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