Ubuntu Security Notice 3090-1 - 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. 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. 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. Various other issues were also addressed.
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Ubuntu Security Notice USN-3090-1
September 27, 2016
Pillow vulnerabilities
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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 versions:
Ubuntu 14.04 LTS:
=C2=A0 python-imaging=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A02.3.0-1ubuntu3.2
=C2=A0 python-pil=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A02.3.0-1ubuntu3.2
=C2=A0 python3-imaging=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A02.3.0-1ubuntu3.2
=C2=A0 python3-pil=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A02.3.0-1ubuntu3.2
In general, a standard system update will make all the necessary changes.
References:
=C2=A0 http://www.ubuntu.com/usn/usn-3090-1
=C2=A0 CVE-2014-3589, CVE-2014-9601, CVE-2016-0740, CVE-2016-0775,
=C2=A0 CVE-2016-2533
Package Information:
=C2=A0 https://launchpad.net/ubuntu/+source/pillow/2.3.0-1ubuntu3.2
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