[USN-3230-1] Pillow vulnerabilities

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[USN-3230-1] Pillow vulnerabilities

Marc Deslauriers-3
==========================================================================
Ubuntu Security Notice USN-3230-1
March 13, 2017

pillow vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in Pillow.

Software Description:
- pillow: Python Imaging Library

Details:

It was discovered that Pillow incorrectly handled certain compressed text
chunks in PNG images. A remote attacker could possibly use this issue to
cause Pillow to crash, resulting in a denial of service. This issue only
affected Ubuntu 14.04 LTS. (CVE-2014-9601)

Cris Neckar discovered that Pillow incorrectly handled certain malformed
images. A remote attacker could use this issue to cause Pillow to crash,
resulting in a denial of service, or possibly obtain sensitive information.
(CVE-2016-9189)

Cris Neckar discovered that Pillow incorrectly handled certain malformed
images. A remote attacker could use this issue to cause Pillow to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2016-9190)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 16.10:
  python-imaging                  3.3.1-1ubuntu0.1
  python-pil                      3.3.1-1ubuntu0.1
  python3-pil                     3.3.1-1ubuntu0.1

Ubuntu 16.04 LTS:
  python-imaging                  3.1.2-0ubuntu1.1
  python-pil                      3.1.2-0ubuntu1.1
  python3-pil                     3.1.2-0ubuntu1.1

Ubuntu 14.04 LTS:
  python-imaging                  2.3.0-1ubuntu3.4
  python-pil                      2.3.0-1ubuntu3.4
  python3-imaging                 2.3.0-1ubuntu3.4
  python3-pil                     2.3.0-1ubuntu3.4

In general, a standard system update will make all the necessary changes.

References:
  http://www.ubuntu.com/usn/usn-3230-1
  CVE-2014-9601, CVE-2016-9189, CVE-2016-9190

Package Information:
  https://launchpad.net/ubuntu/+source/pillow/3.3.1-1ubuntu0.1
  https://launchpad.net/ubuntu/+source/pillow/3.1.2-0ubuntu1.1
  https://launchpad.net/ubuntu/+source/pillow/2.3.0-1ubuntu3.4



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