F5 Networks BIG-IP : TMM vulnerability (K81137982)
Medium Nessus Plugin ID 118613
SynopsisThe remote device is missing a vendor-supplied security patch.
DescriptionUndisclosed traffic patterns sent to BIG-IP virtual servers, with the TCP Fast Open and Tail Loss Probe options enabled in the associated TCP profile, may cause a disruption of service to the Traffic Management Microkernel (TMM). (CVE-2017-6136)
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 : The Fast Open and the Tail Loss Probe TCP profile options are both disabled in the default configuration, and both options must be enabled to expose this vulnerability.
SolutionUpgrade to one of the non-vulnerable versions listed in the F5 Solution K81137982.