CVE-2022-23020: Null Pointer Dereference

Published Jan 25, 2022
·
Updated

On BIG-IP version 16.1.x before 16.1.2, when the 'Respond on Error' setting is enabled on the Request Logging profile and 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.

Affected Software

11 affected components
F5 BIG-IP Access Policy Manager>=16.1.0<16.1.2
F5 BIG-IP Advanced Firewall Manager>=16.1.0<16.1.2
F5 BIG-IP Analytics>=16.1.0<16.1.2
F5 Big-ip Application Acceleration Manager>=16.1.0<16.1.2
F5 BIG-IP Application Security Manager>=16.1.0<16.1.2
F5 Big-ip Domain Name System>=16.1.0<16.1.2
F5 Big-ip Fraud Protection Service>=16.1.0<16.1.2
F5 Big-ip Global Traffic Manager>=16.1.0<16.1.2
F5 Big-ip Link Controller>=16.1.0<16.1.2
F5 Big-ip Local Traffic Manager>=16.1.0<16.1.2
F5 Big-ip Policy Enforcement Manager>=16.1.0<16.1.2

Event History

Jan 25, 2022
CVE Published
via MITRE·07:11 PM
Data Sourced
via MITRE·07:11 PM
DescriptionWeakness

Frequently Asked Questions

1

What is the severity of CVE-2022-23020?

CVE-2022-23020 has a severity rating that can vary based on the environment, but it is recognized as a significant vulnerability affecting F5 BIG-IP systems.

2

How do I fix CVE-2022-23020?

Fix for CVE-2022-23020 involves upgrading to F5 BIG-IP versions 16.1.2 or later where the vulnerability is addressed.

3

Which F5 BIG-IP versions are affected by CVE-2022-23020?

CVE-2022-23020 affects F5 BIG-IP versions 16.1.0 to 16.1.1 inclusive.

4

What components of F5 BIG-IP are vulnerable in CVE-2022-23020?

The vulnerable components include BIG-IP Access Policy Manager, Advanced Firewall Manager, Analytics, Application Acceleration Manager, Application Security Manager, DNS, Fraud Protection Service, Global Traffic Manager, Link Controller, Local Traffic Manager, and Policy Enforcement Manager.

5

What impact does CVE-2022-23020 have on F5 BIG-IP systems?

CVE-2022-23020 can lead to the termination of the Traffic Management Microkernel (TMM) due to undisclosed requests when the 'Respond on Error' setting is enabled.

Contact

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