CVE-2017-6151 Denial of service in BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, GTM, Link Controller, PEM, WebAccelerator, WebSafe

High 7.5 Published 21 Dec 2017 Updated 16 Sep 2024

Attackers can cause a denial of service on F5 BIG-IP systems by sending undisclosed requests to virtual servers using the HTTP/2 profile.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2017-6151?

CVE-2017-6151 is a high-severity denial of service vulnerability in F5 Big-Ip Access Policy Manager, published on 21 Dec 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, GTM, Link Controller, PEM, WebAccelerator and WebSafe software version 13.0.0, undisclosed requests made to BIG-IP virtual servers which make use of the "HTTP/2 profile" may result in a disruption of service to TMM.

Which versions are affected by CVE-2017-6151?

It affects 13 products.

Products include F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager, F5 Big-Ip Application Security Manager, F5 Big-Ip Dns and 7 more.

How do I fix CVE-2017-6151?

No fix has been published for CVE-2017-6151 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2017-6151 being exploited?

There is no known exploitation of CVE-2017-6151 in the wild and no public exploit code.

All F5 Big-Ip Access Policy Manager vulnerabilities

Sources

Also known as GHSA-m8mm-cgr6-jf63.