CVE-2022-23012 Denial of service in BIG-IP

High 7.5 Published 25 Jan 2022 Updated 3 Aug 2024

Attackers can cause a denial of service by sending specific requests to BIG-IP virtual servers with HTTP/2 profiles 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-2022-23012?

CVE-2022-23012 is a high-severity denial of service vulnerability in F5 Big-Ip Access Policy Manager, published on 25 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

On BIG-IP versions 15.1.x before 15.1.4.1 and 14.1.x before 14.1.4.5, when the HTTP/2 profile is configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Weakness: CWE-415

Which versions are affected by CVE-2022-23012?

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-2022-23012?

No fix has been published for CVE-2022-23012 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-2022-23012 being exploited?

There is no known exploitation of CVE-2022-23012 in the wild and no public exploit code.

All F5 Big-Ip Access Policy Manager vulnerabilities

Sources

Also known as GHSA-8gxf-rfc3-w42v.