CVE-2011-0022 Denial of service in n/a

Medium 4.7 Published 23 Feb 2011 Updated 6 Aug 2024

Local users can cause denial of service in 389 Directory Server by replacing PID files due to insecure directory permissions in multi-instance setups.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2011-0022?

CVE-2011-0022 is a medium-severity denial of service vulnerability in n/a, published on 23 Feb 2011. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The setup scripts in 389 Directory Server 1.2.x (aka Red Hat Directory Server 8.2.x), when multiple unprivileged instances are configured, use 0777 permissions for the /var/run/dirsrv directory, which allows local users to cause a denial of service (daemon outage or arbitrary process termination) by replacing PID files contained in this directory.

Weakness: CWE-399

Which versions are affected by CVE-2011-0022?

It affects 2 products.

Products include Fedoraproject 389 Directory Server, Redhat Directory Server.

How do I fix CVE-2011-0022?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2011-0022 being exploited?

There is no known exploitation of CVE-2011-0022 in the wild and no public exploit code.

Sources

Also known as GHSA-89f5-968h-h37p.