CVE-2020-5946

K53821711: TMM vulnerability CVE-2020-5946

Original Publication Date: Nov 03, 2020

Security Advisory Description

When processing Capabilities-Exchange-Answer (CEA) packets with certain attributes from the Policy and Charging Rules Function (PCRF) server, the Traffic Management Microkernel (TMM) may generate a core file and restart.(CVE-2020-5946)

Impact

A remote attacker may be able to perform a denial-of-service (DoS) attack on a BIG-IP system by causing the TMM process to restart.

Security Advisory Status

F5 Product Development has assigned ID 879745 (BIG-IP) to this vulnerability.

To determine if your product and version have been evaluated for this vulnerability, refer to the (Applies to (see versions) box. To determine if your release is known to be vulnerable, the components or features that are affected by the vulnerability, and for information about releases, point releases, or hotfixes that address the vulnerability, refer to F5’s security advisory below. For more information about security advisory versioning, refer to K51812227: Understanding Security Advisory versioning.

Affected and fixed versions: F5 maintains the authoritative version matrix for this advisory, and it changes over time. For the current list of affected and fixed versions, see F5’s security advisory K53821711.

Security Advisory Recommended Actions

If you are running a version listed in the Versions known to be vulnerable column, you can eliminate this vulnerability by upgrading to a version listed in the Fixes introduced in column. If the table lists only an older version than what you are currently running, or does not list a non-vulnerable version, then no upgrade candidate currently exists.

Mitigation

None