CVE-2014-9422 Auth bypass in n/a

Medium 6.1 Published 19 Feb 2015 Updated 6 Aug 2024

Authenticated users can bypass authorization checks in MIT Kerberos kadmind to gain administrative access by using specific principal names.

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

What is CVE-2014-9422?

CVE-2014-9422 is a medium-severity authentication bypass vulnerability in Mit Kerberos 5, published on 19 Feb 2015. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The check_rpcsec_auth function in kadmin/server/kadm_rpc_svc.c in kadmind in MIT Kerberos 5 (aka krb5) through 1.11.5, 1.12.x through 1.12.2, and 1.13.x before 1.13.1 allows remote authenticated users to bypass a kadmin/* authorization check and obtain administrative access by leveraging access to a two-component principal with an initial "kadmind" substring, as demonstrated by a "ka/x" principal.

Weakness: CWE-284

Which versions are affected by CVE-2014-9422?

It affects 1 product.

Products include Mit Kerberos 5.

How do I fix CVE-2014-9422?

Upgrade to a fixed version.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2014-9422 being exploited?

There is no known exploitation of CVE-2014-9422 in the wild and no public exploit code.

All Mit Kerberos 5 vulnerabilities

Sources

Also known as DEBIAN-CVE-2014-9422, GHSA-8qhp-h7xw-f46m, UBUNTU-CVE-2014-9422.