Ubuntu 3090-2: Pillow regresssion

    Date30 Sep 2016
    CategoryUbuntu
    51
    Posted ByLinuxSecurity Advisories
    ==========================================================================
    Ubuntu Security Notice USN-3090-2
    September 30, 2016
    
    Pillow regression
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 14.04 LTS
    
    Details:
    
    USN-3090-1 fixed vulnerabilities in Pillow. The patch to fix CVE-2014-9601
    caused a regression which resulted in failures when processing certain
    png images. This update temporarily reverts the security fix for CVE-2014-9601
    pending further investigation.
    
    We apologize for the inconvenience.
    
    Original advisory details:
    
    It was discovered that a flaw in processing a compressed text chunk in
    a PNG image could cause the image to have a large size when decompressed,
    potentially leading to a denial of service. (CVE-2014-9601)
    
    Andrew Drake discovered that Pillow incorrectly validated input. A remote
    attacker could use this to cause Pillow to crash, resulting in a denial
    of service. (CVE-2014-3589)
    
    Eric Soroos discovered that Pillow incorrectly handled certain malformed
    FLI, Tiff, and PhotoCD files. A remote attacker could use this issue to
    cause Pillow to crash, resulting in a denial of service.
    (CVE-2016-0740, CVE-2016-0775, CVE-2016-2533)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 14.04 LTS:
      python-imaging                  2.3.0-1ubuntu3.3
      python-pil                      2.3.0-1ubuntu3.3
      python3-imaging                 2.3.0-1ubuntu3.3
      python3-pil                     2.3.0-1ubuntu3.3
    
    
    
    References:
      http://www.ubuntu.com/usn/usn-3090-2
      http://www.ubuntu.com/usn/usn-3090-1
      CVE-2014-9601, https://launchpad.net/bugs/1628351
    
    Package Information:
      https://launchpad.net/ubuntu/+source/pillow/2.3.0-1ubuntu3.3
    
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