Ubuntu Security Notice USN-4316-1 ≈ Packet Storm


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Ubuntu Security Notice USN-4316-1
April 02, 2020

libgd2 vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

– Ubuntu 19.10
– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in GD Graphics Library.

Software Description:
– libgd2: Open source code library for the dynamic creation of images

Details:

It was discovered that GD Graphics Library incorrectly handled cloning an
image. An attacker could possibly use this issue to cause GD Graphics
Library
to crash, resulting in a denial of service. (CVE-2018-14553)

It was discovered that GD Graphics Library incorrectly handled loading
images
from X bitmap format files. An attacker could possibly use this issue to
cause
GD Graphics Library to crash, resulting in a denial of service, or to
disclose
contents of the stack that has been left there by previous code. This issue
only affected Ubuntu 18.04 LTS and Ubuntu 16.04 LTS. (CVE-2019-11038)

Update instructions:

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

Ubuntu 19.10:
libgd-tools 2.2.5-5.2ubuntu0.19.10.1
libgd3 2.2.5-5.2ubuntu0.19.10.1

Ubuntu 18.04 LTS:
libgd-tools 2.2.5-4ubuntu0.4
libgd3 2.2.5-4ubuntu0.4

Ubuntu 16.04 LTS:
libgd-tools 2.1.1-4ubuntu0.16.04.12
libgd3 2.1.1-4ubuntu0.16.04.12

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

References:

https://usn.ubuntu.com/4316-1
CVE-2018-14553, CVE-2019-11038

Package Information:
https://launchpad.net/ubuntu/+source/libgd2/2.2.5-5.2ubuntu0.19.10.1
<https://launchpad.net/ubuntu/+source/libgd2/2.2.5-5.2ubuntu0.19.10.1>
https://launchpad.net/ubuntu/+source/libgd2/2.2.5-4ubuntu0.4
<https://launchpad.net/ubuntu/+source/libgd2/2.2.5-4ubuntu0.4>
https://launchpad.net/ubuntu/+source/libgd2/2.1.1-4ubuntu0.16.04.12
<https://launchpad.net/ubuntu/+source/libgd2/2.1.1-4ubuntu0.16.04.12>



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