Ubuntu 22.04 LTS USN-6571-1 critical: Monit authentication bypass issue
ubuntu
January 9, 2024
Monit could be made to bypass authentication checks for disabled accounts.
Summary
A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.04 LTS (Available with Ubuntu Pro) - Ubuntu 20.04 LTS (Available with Ubuntu Pro) - Ubuntu 18.04 LTS (Available with Ubuntu Pro) - Ubuntu 16.04 LTS (Available with Ubuntu Pro) - Ubuntu 14.04 LTS (Available with Ubuntu Pro) Summary: Monit could be made to bypass authentication checks for disabled accounts. Software Description: - monit: utility for monitoring and managing daemons or similar programs Details: Youssef Rebahi-Gilbert discovered that Monit did not properly process credentials for disabled accounts. An attacker could possibly use this issue to login to the platform with an expired account and a valid password.
Topics Covered
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 22.04 LTS (Available with Ubuntu Pro): monit 1:5.31.0-1ubuntu0.1~esm1 Ubuntu 20.04 LTS (Available with Ubuntu Pro): monit 1:5.26.0-4ubuntu0.1~esm1 Ubuntu 18.04 LTS (Available with Ubuntu Pro): monit 1:5.25.1-1ubuntu0.1~esm2 Ubuntu 16.04 LTS (Available with Ubuntu Pro): monit 1:5.16-2ubuntu0.2+esm2 Ubuntu 14.04 LTS (Available with Ubuntu Pro): monit 1:5.6-2ubuntu0.1+esm3 In general, a standard system update will make all the necessary changes.
References
https://ubuntu.com/security/notices/USN-6571-1
CVE-2022-26563
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Ubuntu Security Notice USN-6571-1
Topics Covered
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