CVE-2022-23023 Denial of service in BIG-IP & BIG-IQ

Medium 6.5 Published 25 Jan 2022 Updated 3 Aug 2024

Authenticated iControl REST users can cause excessive memory utilization leading to denial of service on F5 BIG-IP and BIG-IQ devices.

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

What is CVE-2022-23023?

CVE-2022-23023 is a medium-severity denial of service vulnerability in F5 Big-Ip Access Policy Manager, published on 25 Jan 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

On BIG-IP version 16.1.x before 16.1.2.1, 15.1.x before 15.1.5, 14.1.x before 14.1.4.5, and all versions of 13.1.x and 12.1.x, and BIG-IQ all versions of 8.x and 7.x, undisclosed requests by an authenticated iControl REST user can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Weakness: CWE-400

Which versions are affected by CVE-2022-23023?

It affects 15 products.

Products include F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Advanced Web Application Firewall, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager, F5 Big-Ip Application Security Manager and 9 more.

How do I fix CVE-2022-23023?

No fix has been published for CVE-2022-23023 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-2022-23023 being exploited?

There is no known exploitation of CVE-2022-23023 in the wild and no public exploit code.

All F5 Big-Ip Access Policy Manager vulnerabilities

Sources

Also known as GHSA-4h5h-9xmm-3vcw.