CVE-2019-6606 Denial of service in BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, FPS, GTM, Link Controller, PEM, WebAccelerator)

Medium 4.3 Published 28 Mar 2019 Updated 4 Aug 2024

Attackers can cause a memory leak in the snmpd process by sending specific SNMP requests, potentially leading to a denial of service on F5 BIG-IP devices.

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

What is CVE-2019-6606?

CVE-2019-6606 is a medium-severity denial of service vulnerability in F5 Big-Ip Access Policy Manager, published on 28 Mar 2019. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

On BIG-IP 11.5.1-11.6.3.4, 12.1.0-12.1.3.7, 13.0.0-13.1.1.3, and 14.0.0-14.0.0.2, when processing certain SNMP requests with a request-id of 0, the snmpd process may leak a small amount of memory.

Weakness: CWE-401

Which versions are affected by CVE-2019-6606?

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 Edge Gateway and 7 more.

How do I fix CVE-2019-6606?

No fix has been published for CVE-2019-6606 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-2019-6606 being exploited?

There is no known exploitation of CVE-2019-6606 in the wild and no public exploit code.

All F5 Big-Ip Access Policy Manager vulnerabilities

Sources

Also known as GHSA-mxxx-554w-hpp3.