CVE-2022-33968 BIG-IP LTM and APM NTLM vulnerability CVE-2022-33968

Low 3.7 Published 4 Aug 2022 Updated 16 Sep 2024

A buffer over-read in BIG-IP LTM and APM can cause a denial of service when NTLM is configured on a virtual server.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-33968?

CVE-2022-33968 is a low-severity memory corruption vulnerability in F5 Big-Ip Access Policy Manager, published on 4 Aug 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In BIG-IP Versions 17.0.x before 17.0.0.1, 16.1.x before 16.1.3.1, 15.1.x before 15.1.6.1, 14.1.x before 14.1.5.1, and all versions of 13.1.x, when an LTM monitor or APM SSO is configured on a virtual server, and NTLM challenge-response is in use, undisclosed traffic can cause a buffer over-read. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Weakness: CWE-125

Which versions are affected by CVE-2022-33968?

It affects 11 products.

Products include F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager, F5 Big-Ip Application Security Manager, F5 Big-Ip Domain Name System and 5 more.

How do I fix CVE-2022-33968?

No fix has been published for CVE-2022-33968 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2022-33968 being exploited?

There is no known exploitation of CVE-2022-33968 in the wild and no public exploit code.

All F5 Big-Ip Access Policy Manager vulnerabilities

Sources

Also known as GHSA-x79h-769h-qj92.