K20087443 : BIG-IP APM VPN vulnerability CVE-2017-6129

Security Advisory Description

In F5 BIG-IP APM software version 13.0.0 and 12.1.2, in some circumstances, APM tunneled VPN flows can cause a VPN/PPP connflow to be prematurely freed or cause TMM to stop responding with a “flow not in use” assertion. An attacker may be able to disrupt traffic or cause the BIG-IP system to fail over to another device in the device group. (CVE-2017-6129)

Impact

An attacker may be able to disrupt traffic or cause the BIG-IP system to fail over to another device in the device group.

Note: BIG-IP and BIG-IP Virtual Edition (VE) systems that are licensed with the BIG-IP LTM module include a free perpetual license for the BIG-IP APM Lite module. The BIG-IP LTM module is not affected by this vulnerability; however, BIG-IP LTM systems provisioned with the BIG-IP APM Lite module may be vulnerable. For more information about the BIG-IP APM Lite perpetual license, refer to K15854: BIG-IP APM Lite.