Ubuntu 22.04 LTS: USN-7040-1 critical: configobj denial of service
ubuntu
September 26, 2024
ConfigObj could be made to crash if it received specially crafted input.
Summary
A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS Summary: ConfigObj could be made to crash if it received specially crafted input. Software Description: - 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.
Topics Covered
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 22.04 LTS python3-configobj 5.0.6-5ubuntu0.1 Ubuntu 20.04 LTS python3-configobj 5.0.6-4ubuntu0.1 Ubuntu 18.04 LTS python-configobj 5.0.6-2ubuntu0.18.04.1~esm1 Available with Ubuntu Pro python3-configobj 5.0.6-2ubuntu0.18.04.1~esm1 Available with Ubuntu Pro Ubuntu 16.04 LTS python-configobj 5.0.6-2ubuntu0.16.04.1~esm1 Available with Ubuntu Pro python3-configobj 5.0.6-2ubuntu0.16.04.1~esm1 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes.
References
https://ubuntu.com/security/notices/USN-7040-1
CVE-2023-26112
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Ubuntu Security Notice USN-7040-1
Topics Covered
Package Information
https://launchpad.net/ubuntu/+source/configobj/5.0.6-5ubuntu0.1 https://launchpad.net/ubuntu/+source/configobj/5.0.6-4ubuntu0.1
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