1. Ubuntu Security Notices
  2. USN-7040-1

USN-7040-1: ConfigObj vulnerability

Publication date

26 September 2024

Overview

ConfigObj could be made to crash if it received specially crafted input.

Releases

Packages

  • configobj - simple but powerful config file reader and writer for Python

Details

It was discovered that ConfigObj contains regex that is susceptible to
catastrophic backtracking. An attacker could possibly use this issue to
cause a regular expression denial of service.

It was discovered that ConfigObj contains regex that is susceptible to
catastrophic backtracking. An attacker could possibly use this issue to
cause a regular expression denial of service.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
22.04 jammy python3-configobj –  5.0.6-5ubuntu0.1
20.04 focal python3-configobj –  5.0.6-4ubuntu0.1
18.04 bionic python-configobj –  5.0.6-2ubuntu0.18.04.1~esm1  
python3-configobj –  5.0.6-2ubuntu0.18.04.1~esm1  
16.04 xenial python-configobj –  5.0.6-2ubuntu0.16.04.1~esm1  
python3-configobj –  5.0.6-2ubuntu0.16.04.1~esm1  

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References

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