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Ubuntu 20.04 LTS USN-5068-1 Critical: libgd2 Denial Of Service Threat

ubuntu
Calendar Grey September 8, 2021
Dist Ubuntu Esm H88
Solutions for various GD library problems on Ubuntu 20.04 LTS impacting performance and safety protocols. Discover more!
Several security issues were fixed in GD library.

Summary

Several security issues were fixed in GD library.

Software Description:

- 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)

Topics%20covered

Topics Covered

security advisory denial of service critical information exposure ubuntu libgd2

Update Instructions

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

Ubuntu 21.04:
  libgd3                          2.3.0-2ubuntu0.1

Ubuntu 20.04 LTS:
  libgd3                          2.2.5-5.2ubuntu2.1

Ubuntu 18.04 LTS:
  libgd3                          2.2.5-4ubuntu0.5

Ubuntu 16.04 ESM:
  libgd3                          2.1.1-4ubuntu0.16.04.12+esm1

Ubuntu 14.04 ESM:
  libgd3                          2.1.0-3ubuntu0.11+esm2

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

References

https://ubuntu.com/security/notices/USN-5068-1

CVE-2017-6363, CVE-2021-38115, CVE-2021-40145

Severity
critical
Lowest
Low
Medium
High
Critical

September 08, 2021

Topics%20covered

Topics Covered

security advisory denial of service critical information exposure ubuntu libgd2

Package Information

https://launchpad.net/ubuntu/+source/libgd2/2.3.0-2ubuntu0.1
https://launchpad.net/ubuntu/+source/libgd2/2.2.5-5.2ubuntu2.1
https://launchpad.net/ubuntu/+source/libgd2/2.2.5-4ubuntu0.5

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