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Ubuntu Security Notice USN-3060-1
August 10, 2016
libgd2 vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 16.04 LTS
– Ubuntu 14.04 LTS
Summary:
The GD library could be made to crash or run programs if it processed a
specially crafted image file.
Software Description:
– libgd2: GD Graphics Library
Details:
It was discovered that the GD library incorrectly handled certain malformed
TGA images. If a user or automated system were tricked into processing a
specially crafted TGA image, an attacker could cause a denial of service.
(CVE-2016-6132, CVE-2016-6214)
It was discovered that the GD library incorrectly handled memory when using
gdImageScale(). A remote attacker could possibly use this issue to cause a
denial of service or possibly execute arbitrary code. (CVE-2016-6207)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 16.04 LTS:
libgd3 2.1.1-4ubuntu0.16.04.3
Ubuntu 14.04 LTS:
libgd3 2.1.0-3ubuntu0.3
In general, a standard system update will make all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-3060-1
CVE-2016-6132, CVE-2016-6207, CVE-2016-6214
Package Information:
https://launchpad.net/ubuntu/+source/libgd2/2.1.1-4ubuntu0.16.04.3
https://launchpad.net/ubuntu/+source/libgd2/2.1.0-3ubuntu0.3
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