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AUSCERT External Security Bulletin Redistribution
ESB-2019.0635
GD vulnerabilities
1 March 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: libgd-tools
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2019-6978 CVE-2019-6977
Reference: ESB-2019.0480.2
ESB-2019.0449
ESB-2019.0329
ESB-2019.0319
ESB-2019.0271
Original Bulletin:
http://www.ubuntu.com/usn/usn-3900-1
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Ubuntu Security Notice USN-3900-1
February 28, 2019
libgd2 vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- - Ubuntu 18.10
- - Ubuntu 18.04 LTS
- - Ubuntu 16.04 LTS
- - Ubuntu 14.04 LTS
Summary:
Several security issues were fixed in GD.
Software Description:
- - libgd2: GD Graphics Library
Details:
It was discovered that GD incorrectly handled memory when processing
certain images. A remote attacker could use this issue with a specially
crafted image file to cause GD to crash, resulting in a denial of service,
or possibly execute arbitrary code.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 18.10:
libgd-tools 2.2.5-4ubuntu1.1
libgd3 2.2.5-4ubuntu1.1
Ubuntu 18.04 LTS:
libgd-tools 2.2.5-4ubuntu0.3
libgd3 2.2.5-4ubuntu0.3
Ubuntu 16.04 LTS:
libgd-tools 2.1.1-4ubuntu0.16.04.11
libgd3 2.1.1-4ubuntu0.16.04.11
Ubuntu 14.04 LTS:
libgd-tools 2.1.0-3ubuntu0.11
libgd3 2.1.0-3ubuntu0.11
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/usn/usn-3900-1
CVE-2019-6977, CVE-2019-6978
Package Information:
https://launchpad.net/ubuntu/+source/libgd2/2.2.5-4ubuntu1.1
https://launchpad.net/ubuntu/+source/libgd2/2.2.5-4ubuntu0.3
https://launchpad.net/ubuntu/+source/libgd2/2.1.1-4ubuntu0.16.04.11
https://launchpad.net/ubuntu/+source/libgd2/2.1.0-3ubuntu0.11
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