CVE-2010-4022 Denial of service in n/a

Medium 5.0 Published 10 Feb 2011 Updated 7 Aug 2024

Remote attackers can cause a denial of service in the MIT Kerberos KDC propagation daemon when running in standalone mode.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2010-4022?

CVE-2010-4022 is a medium-severity denial of service vulnerability in Mit Kerberos 5, published on 10 Feb 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The do_standalone function in the MIT krb5 KDC database propagation daemon (kpropd) in Kerberos 1.7, 1.8, and 1.9, when running in standalone mode, does not properly handle when a worker child process "exits abnormally," which allows remote attackers to cause a denial of service (listening process termination, no new connections, and lack of updates in slave KVC) via unspecified vectors.

Weakness: CWE-20

Which versions are affected by CVE-2010-4022?

It affects 1 product.

Products include Mit Kerberos 5.

How do I fix CVE-2010-4022?

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-2010-4022 being exploited?

There is no known exploitation of CVE-2010-4022 in the wild and no public exploit code.

All Mit Kerberos 5 vulnerabilities

Sources

Also known as DEBIAN-CVE-2010-4022, GHSA-x83g-f3w6-mr3j.