CVE-2019-6681 Denial of service in BIG-IP
A memory leak in tmrouted allows attackers to cause a denial of service on F5 BIG-IP devices.
- 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-2019-6681?
CVE-2019-6681 is a high-severity denial of service vulnerability in F5 Big-Ip Local Traffic Manager, published on 23 Dec 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
On BIG-IP versions 15.0.0-15.0.1.1, 14.1.0-14.1.2, 14.0.0-14.0.1, 13.1.0-13.1.3.1, and 12.1.0-12.1.5, a memory leak in Multicast Forwarding Cache (MFC) handling in tmrouted.
Weakness: CWE-401
Which versions are affected by CVE-2019-6681?
It affects 1 product.
Products include F5 Big-Ip Local Traffic Manager.
How do I fix CVE-2019-6681?
No fix has been published for CVE-2019-6681 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-2019-6681 being exploited?
There is no known exploitation of CVE-2019-6681 in the wild and no public exploit code.
Other vulnerabilities in F5 Big-Ip Local Traffic Manager
Sources
Also known as GHSA-hr7q-cpwc-jpqp.