Ubuntu Security Notice 3363-2 - USN-3363-1 fixed vulnerabilities in ImageMagick. The update caused a regression for certain users when processing images. The problematic patch has been reverted pending further investigation. It was discovered that ImageMagick incorrectly handled certain malformed image files. If a user or automated system using ImageMagick were tricked into opening a specially crafted image, an attacker could exploit this to cause a denial of service or possibly execute code with the privileges of the user invoking the program. Various other issues were also addressed.
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Ubuntu Security Notice USN-3363-2
July 31, 2017
imagemagick regression
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary:
USN-3363-1 caused a regression in ImageMagick.
Software Description:
- imagemagick: Image manipulation programs and library
Details:
USN-3363-1 fixed vulnerabilities in ImageMagick. The update caused a
regression for certain users when processing images. The problematic
patch has been reverted pending further investigation.
We apologize for the inconvenience.
Original advisory details:
It was discovered that ImageMagick incorrectly handled certain malformed
image files. If a user or automated system using ImageMagick were tricked
into opening a specially crafted image, an attacker could exploit this to
cause a denial of service or possibly execute code with the privileges of
the user invoking the program.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 16.04 LTS:
imagemagick 8:6.8.9.9-7ubuntu5.9
imagemagick-6.q16 8:6.8.9.9-7ubuntu5.9
libmagick++-6.q16-5v5 8:6.8.9.9-7ubuntu5.9
libmagickcore-6.q16-2 8:6.8.9.9-7ubuntu5.9
Ubuntu 14.04 LTS:
imagemagick 8:6.7.7.10-6ubuntu3.9
libmagick++5 8:6.7.7.10-6ubuntu3.9
libmagickcore5 8:6.7.7.10-6ubuntu3.9
In general, a standard system update will make all the necessary changes.
References:
https://www.ubuntu.com/usn/usn-3363-2
https://www.ubuntu.com/usn/usn-3363-1
https://launchpad.net/bugs/1707015
Package Information:
https://launchpad.net/ubuntu/+source/imagemagick/8:6.8.9.9-7ubuntu5.9
https://launchpad.net/ubuntu/+source/imagemagick/8:6.7.7.10-6ubuntu3.9