CVE-2017-6136: Input Validation

Q: What is the vulnerability ID?

The vulnerability ID is CVE-2017-6136.

Q: Which software versions are affected by this vulnerability?

The vulnerability affects F5 BIG-IP software version 13.0.0 and 12.0.0 - 12.1.2.

Q: What is the severity of CVE-2017-6136?

The severity of CVE-2017-6136 is medium (5.9).

Q: What are the potential consequences of this vulnerability?

Undisclosed traffic patterns sent to BIG-IP virtual servers with specific TCP options enabled may cause a denial-of-service condition.

Q: Are there any known fixes for this vulnerability?

Yes, F5 has released patches and mitigation steps to address this vulnerability. Please refer to the F5 support article for more information.

Published Dec 21, 2017

Updated

In F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, GTM, Link Controller, PEM and WebSafe software version 13.0.0 and 12.0.0 - 12.1.2, undisclosed 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).

Affected Software

22 affected components

F5 Big-ip Local Traffic Manager>=12.1.0<=12.1.2

F5 Big-ip Local Traffic Manager=13.0.0

F5 Big-ip Application Acceleration Manager>=12.1.0<=12.1.2

F5 Big-ip Application Acceleration Manager=13.0.0

F5 BIG-IP Advanced Firewall Manager>=12.1.0<=12.1.2

F5 BIG-IP Advanced Firewall Manager=13.0.0

F5 BIG-IP Analytics>=12.1.0<=12.1.2

F5 BIG-IP Analytics=13.0.0

F5 BIG-IP Access Policy Manager>=12.1.0<=12.1.2

F5 BIG-IP Access Policy Manager=13.0.0

F5 BIG-IP Application Security Manager>=12.1.0<=12.1.2

F5 BIG-IP Application Security Manager=13.0.0

F5 BIG-IP DNS>=12.1.0<=12.1.2

F5 BIG-IP DNS=13.0.0

F5 Big-ip Global Traffic Manager>=12.1.0<=12.1.2

F5 Big-ip Global Traffic Manager=13.0.0

F5 Big-ip Link Controller>=12.1.0<=12.1.2

F5 Big-ip Link Controller=13.0.0

F5 Big-ip Policy Enforcement Manager>=12.1.0<=12.1.2

F5 Big-ip Policy Enforcement Manager=13.0.0

F5 Big-ip Websafe>=12.1.0<=12.1.2

F5 Big-ip Websafe=13.0.0

Event History

Dec 21, 2017

CVE Published

via MITRE·05:00 PM

Data Sourced

via MITRE·05:00 PM

DescriptionWeakness

Frequently Asked Questions

What is the vulnerability ID?

The vulnerability ID is CVE-2017-6136.

Which software versions are affected by this vulnerability?

The vulnerability affects F5 BIG-IP software version 13.0.0 and 12.0.0 - 12.1.2.

What is the severity of CVE-2017-6136?

The severity of CVE-2017-6136 is medium (5.9).

What are the potential consequences of this vulnerability?

Undisclosed traffic patterns sent to BIG-IP virtual servers with specific TCP options enabled may cause a denial-of-service condition.

Are there any known fixes for this vulnerability?