CVE-2017-6148 Denial of service in BIG-IP (LTM, AAM, AFM, APM, ASM, Link Controller, PEM, WebSafe)

High 7.5 Published 13 Apr 2018 Updated 17 Sep 2024

Attackers can cause a denial of service in F5 BIG-IP TMM when a SOCKS proxy profile is attached to a Virtual Server.

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-2017-6148?

CVE-2017-6148 is a high-severity denial of service vulnerability in F5 Big-Ip Access Policy Manager, published on 13 Apr 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Responses to SOCKS proxy requests made through F5 BIG-IP version 13.0.0, 12.0.0-12.1.3.1, 11.6.1-11.6.2, or 11.5.1-11.5.5 may cause a disruption of services provided by TMM. The data plane is impacted and exposed only when a SOCKS proxy profile is attached to a Virtual Server. The control plane is not impacted by this vulnerability.

Weakness: CWE-20

Which versions are affected by CVE-2017-6148?

It affects 8 products.

Products include F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Application Acceleration Manager, F5 Big-Ip Application Security Manager, F5 Big-Ip Link Controller, F5 Big-Ip Local Traffic Manager and 2 more.

How do I fix CVE-2017-6148?

No fix has been published for CVE-2017-6148 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-2017-6148 being exploited?

There is no known exploitation of CVE-2017-6148 in the wild and no public exploit code.

All F5 Big-Ip Access Policy Manager vulnerabilities

Sources

Also known as GHSA-gm7q-2q9v-fr9f.