CVE-2017-6150 Denial of service in BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, Link Controller, PEM, WebSafe

High 7.5 Published 1 Mar 2018 Updated 17 Sep 2024

Attackers can cause a denial of service by sending large fragmented packets to F5 BIG-IP systems using FastL4 profiles with default settings.

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-2017-6150?

CVE-2017-6150 is a high-severity denial of service vulnerability in F5 Big-Ip Access Policy Manager, published on 1 Mar 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Under certain conditions for F5 BIG-IP systems 13.0.0 or 12.1.0 - 12.1.3.1, using FastL4 profiles, when the Reassemble IP Fragments option is disabled (default), some specific large fragmented packets may restart the Traffic Management Microkernel (TMM).

Weakness: CWE-20

Which versions are affected by CVE-2017-6150?

It affects 10 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 4 more.

How do I fix CVE-2017-6150?

No fix has been published for CVE-2017-6150 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-2017-6150 being exploited?

There is no known exploitation of CVE-2017-6150 in the wild and no public exploit code.

All F5 Big-Ip Access Policy Manager vulnerabilities

Sources

Also known as GHSA-cm64-prvx-8p5v.