CVE Vulnerabilities

CVE-2022-23021

NULL Pointer Dereference

Published: Jan 25, 2022 | Modified: Feb 01, 2022
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
7.1 HIGH
AV:N/AC:M/Au:N/C:N/I:N/A:C
RedHat/V2
RedHat/V3
Ubuntu

On BIG-IP version 16.1.x before 16.1.2, when any of the following configurations are configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate: HTTP redirect rule in an LTM policy, BIG-IP APM Access Profile, and Explicit HTTP Proxy in HTTP Profile. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Weakness

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

Affected Software

Name Vendor Start Version End Version
Big-ip_access_policy_manager F5 16.1.0 (including) 16.1.2 (excluding)
Big-ip_advanced_firewall_manager F5 16.1.0 (including) 16.1.2 (excluding)
Big-ip_analytics F5 16.1.0 (including) 16.1.2 (excluding)
Big-ip_application_acceleration_manager F5 16.1.0 (including) 16.1.2 (excluding)
Big-ip_application_security_manager F5 16.1.0 (including) 16.1.2 (excluding)
Big-ip_domain_name_system F5 16.1.0 (including) 16.1.2 (excluding)
Big-ip_fraud_protection_service F5 16.1.0 (including) 16.1.2 (excluding)
Big-ip_global_traffic_manager F5 16.1.0 (including) 16.1.2 (excluding)
Big-ip_link_controller F5 16.1.0 (including) 16.1.2 (excluding)
Big-ip_local_traffic_manager F5 16.1.0 (including) 16.1.2 (excluding)
Big-ip_policy_enforcement_manager F5 16.1.0 (including) 16.1.2 (excluding)

Potential Mitigations

References