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AUSCERT External Security Bulletin Redistribution
ESB-2021.3033
USN-5068-1: GD Graphics Library vulnerabilities
9 September 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: GD Graphics Library
Publisher: Ubuntu
Operating System: Ubuntu
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Denial of Service -- Remote/Unauthenticated
Access Confidential Data -- Remote with User Interaction
Reduced Security -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2021-40145 CVE-2021-38115 CVE-2017-6363
Original Bulletin:
https://ubuntu.com/security/notices/USN-5068-1
Comment: This advisory references vulnerabilities in products which run on
platforms other than Ubuntu. It is recommended that administrators
running library check for an updated version of the software for
their operating system.
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USN-5068-1: GD library vulnerabilities
08 September 2021
Several security issues were fixed in GD library.
Releases
o Ubuntu 21.04
o Ubuntu 20.04 LTS
o Ubuntu 18.04 LTS
o Ubuntu 16.04 ESM
o Ubuntu 14.04 ESM
Packages
o libgd2 - GD Graphics Library
Details
It was discovered that GD Graphics Library incorrectly handled certain GD and
GD2 files.
An attacker could possibly use this issue to cause a crash or expose sensitive
information.
This issue only affected Ubuntu 20.04 LTS, Ubuntu 18.04 LTS, Ubuntu 16.04 ESM,
and Ubuntu 14.04 ESM.
( CVE-2017-6363 )
It was discovered that GD Graphics Library incorrectly handled certain TGA
files.
An attacker could possibly use this issue to cause a denial of service or
expose sensitive information. (CVE-2021-381)
It was discovered that GD Graphics Library incorrectly handled certain files.
An attacker could possibly use this issue to cause a crash.
( CVE-2021-40145 )
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 21.04
o libgd3 - 2.3.0-2ubuntu0.1
Ubuntu 20.04
o libgd3 - 2.2.5-5.2ubuntu2.1
Ubuntu 18.04
o libgd3 - 2.2.5-4ubuntu0.5
Ubuntu 16.04
o libgd3 - 2.1.1-4ubuntu0.16.04.12+esm1
Available with UA Infra or UA Desktop
Ubuntu 14.04
o libgd3 - 2.1.0-3ubuntu0.11+esm2
Available with UA Infra or UA Desktop
In general, a standard system update will make all the necessary changes.
References
o CVE-2021-40145
o CVE-2021-38115
o CVE-2017-6363
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