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Ubuntu Security Notice USN-6761-1
April 30, 2024

anope vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

• Ubuntu 24.04 LTS
• Ubuntu 23.10
• Ubuntu 22.04 LTS
• Ubuntu 20.04 LTS
• Ubuntu 18.04 LTS
• Ubuntu 16.04 LTS

Summary:

Anope could be made to bypass authentication checks for suspended accounts.

Software Description:

• anope: an open source set of IRC Services

Details:

It was discovered that Anope did not properly process credentials for
suspended accounts. An attacker could possibly use this issue to normally
login to the platform as a suspended user after changing their password.

Update instructions:

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

Ubuntu 24.04 LTS
anope 2.0.12-1ubuntu1

Ubuntu 23.10
anope 2.0.12-1ubuntu0.23.10.1

Ubuntu 22.04 LTS
anope 2.0.9-1ubuntu0.1

Ubuntu 20.04 LTS
anope 2.0.6-1ubuntu0.1

Ubuntu 18.04 LTS
anope 2.0.4-2ubuntu0.1~esm1
Available with Ubuntu Pro

Ubuntu 16.04 LTS
anope 2.0.3-1ubuntu0.1~esm1
Available with Ubuntu Pro

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

References:
https://ubuntu.com/security/notices/USN-6761-1
CVE-2024-30187

Package Information:
https://launchpad.net/ubuntu/+source/anope/2.0.12-1ubuntu1
https://launchpad.net/ubuntu/+source/anope/2.0.12-1ubuntu0.23.10.1
https://launchpad.net/ubuntu/+source/anope/2.0.9-1ubuntu0.1
https://launchpad.net/ubuntu/+source/anope/2.0.6-1ubuntu0.1