CVE-2022-23030 Denial of service in BIG-IP

Medium 5.3 Published 25 Jan 2022 Updated 3 Aug 2024

Attackers can cause high CPU utilization and denial of service on BIG-IP VE instances using ixlv driver with TCP Segmentation Offload 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-2022-23030?

CVE-2022-23030 is a medium-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 version 16.1.x before 16.1.2, 15.1.x before 15.1.4.1, 14.1.x before 14.1.4.5, and all versions of 13.1.x, when the BIG-IP Virtual Edition (VE) uses the ixlv driver (which is used in SR-IOV mode and requires Intel X710/XL710/XXV710 family of network adapters on the Hypervisor) and TCP Segmentation Offload configuration is enabled, undisclosed requests may cause an increase in CPU 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-2022-23030?

It affects 14 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 8 more.

How do I fix CVE-2022-23030?

No fix has been published for CVE-2022-23030 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-2022-23030 being exploited?

There is no known exploitation of CVE-2022-23030 in the wild and no public exploit code.

All F5 Big-Ip Access Policy Manager vulnerabilities

Sources

Also known as GHSA-h3pw-423v-4h5j.