F5 BIG-IP SIP Profile Denial-of-Service Vulnerability

A denial-of-service vulnerability has been identified in F5 BIG-IP systems when a Session Initiation Protocol (SIP) profile is active on a virtual server. Undisclosed traffic can lead to the termination of the Traffic Management Microkernel (TMM) process, causing a disruption as TMM restarts. This issue allows remote, unauthenticated attackers to disrupt traffic on the BIG-IP system.

Impact

Exploitation of this vulnerability causes a denial-of-service condition by disrupting traffic management processes, leading to temporary service unavailability.

Remediation

Users can upgrade to BIG-IP versions 21.0.0.2, 17.5.1.6, or 17.1.3.2 to address this vulnerability. For more information about managing BIG-IP product hotfixes, refer to the F5 article K13123.