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Ubuntu Security Notice USN-2990-1
June 02, 2016

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

– Ubuntu 16.04 LTS
– Ubuntu 15.10
– Ubuntu 14.04 LTS
– Ubuntu 12.04 LTS

Summary:

Several security issues were fixed in ImageMagick.

Software Description:
– imagemagick: Image manipulation programs and library

Details:

Nikolay Ermishkin and Stewie discovered that ImageMagick incorrectly
sanitized untrusted input. A remote attacker could use these issues to
execute arbitrary code. These issues are known as “ImageTragick”. This
update disables problematic coders via the /etc/ImageMagick-6/policy.xml
configuration file. In certain environments the coders may need to be
manually re-enabled after making sure that ImageMagick does not process
untrusted input. (CVE-2016-3714, CVE-2016-3715, CVE-2016-3716,
CVE-2016-3717, CVE-2016-3718)

Bob Friesenhahn discovered that ImageMagick allowed injecting commands via
an image file or filename. A remote attacker could use this issue to
execute arbitrary code. (CVE-2016-5118)

Update instructions:

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

Ubuntu 16.04 LTS:
imagemagick 8:6.8.9.9-7ubuntu5.1
imagemagick-6.q16 8:6.8.9.9-7ubuntu5.1
imagemagick-common 8:6.8.9.9-7ubuntu5.1
libmagick++-6.q16-5v5 8:6.8.9.9-7ubuntu5.1
libmagickcore-6.q16-2 8:6.8.9.9-7ubuntu5.1

Ubuntu 15.10:
imagemagick 8:6.8.9.9-5ubuntu2.1
imagemagick-6.q16 8:6.8.9.9-5ubuntu2.1
imagemagick-common 8:6.8.9.9-5ubuntu2.1
libmagick++-6.q16-5v5 8:6.8.9.9-5ubuntu2.1
libmagickcore-6.q16-2 8:6.8.9.9-5ubuntu2.1

Ubuntu 14.04 LTS:
imagemagick 8:6.7.7.10-6ubuntu3.1
imagemagick-common 8:6.7.7.10-6ubuntu3.1
libmagick++5 8:6.7.7.10-6ubuntu3.1
libmagickcore5 8:6.7.7.10-6ubuntu3.1

Ubuntu 12.04 LTS:
imagemagick 8:6.6.9.7-5ubuntu3.4
imagemagick-common 8:6.6.9.7-5ubuntu3.4
libmagick++4 8:6.6.9.7-5ubuntu3.4
libmagickcore4 8:6.6.9.7-5ubuntu3.4

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

References:
http://www.ubuntu.com/usn/usn-2990-1
CVE-2016-3714, CVE-2016-3715, CVE-2016-3716, CVE-2016-3717,
CVE-2016-3718, CVE-2016-5118

Package Information:
https://launchpad.net/ubuntu/+source/imagemagick/8:6.8.9.9-7ubuntu5.1
https://launchpad.net/ubuntu/+source/imagemagick/8:6.8.9.9-5ubuntu2.1
https://launchpad.net/ubuntu/+source/imagemagick/8:6.7.7.10-6ubuntu3.1
https://launchpad.net/ubuntu/+source/imagemagick/8:6.6.9.7-5ubuntu3.4

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