CVE-2022-35272 BIG-IP HTTP MRF vulnerability CVE-2022-35272

High 7.5 Published 4 Aug 2022 Updated 17 Sep 2024

Attackers can cause a denial of service in F5 BIG-IP by triggering a core dump in the Traffic Management Microkernel when specific source-port settings are enabled.

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-2022-35272?

CVE-2022-35272 is a high-severity denial of service 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 and 16.1.x before 16.1.3.1, when source-port preserve-strict is configured on an HTTP Message Routing Framework (MRF) virtual server, undisclosed traffic may cause the Traffic Management Microkernel (TMM) to produce a core file and the connection to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Weakness: CWE-404

Which versions are affected by CVE-2022-35272?

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-2022-35272?

No fix has been published for CVE-2022-35272 yet. Limit exposure of the affected software until one is available.

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-2022-35272 being exploited?

There is no known exploitation of CVE-2022-35272 in the wild and no public exploit code.

All F5 Big-Ip Access Policy Manager vulnerabilities

Sources

Also known as GHSA-89h3-qg46-3mw9.