USN-3090-1: Pillow vulnerabilities

USN-3090-1: Pillow vulnerabilities

Ubuntu Security Notice USN-3090-1

27th September, 2016

Pillow vulnerabilities

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

  • Ubuntu 14.04 LTS

Summary

Pillow could be made to crash if it received specially crafted input or opened
a specially crafted file.

Software description

  • pillow
    – Python Imaging Library compatibility layer

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 version:

Ubuntu 14.04 LTS:
python-imaging

2.3.0-1ubuntu3.2
python3-pil

2.3.0-1ubuntu3.2
python-pil

2.3.0-1ubuntu3.2
python3-imaging

2.3.0-1ubuntu3.2

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

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

References

CVE-2014-3589,

CVE-2014-9601,

CVE-2016-0740,

CVE-2016-0775,

CVE-2016-2533

Source: USN-3090-1: Pillow vulnerabilities

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