CVE-2019-6590 Denial of service in BIG-IP (LTM)
Attackers can cause excessive resource consumption in TMM via SSL Session ID Persistence traffic, leading to denial of service on BIG-IP LTM 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-2019-6590?
CVE-2019-6590 is a medium-severity denial of service vulnerability in F5 Big-Ip Local Traffic Manager, published on 5 Feb 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
On BIG-IP LTM 13.0.0 to 13.0.1 and 12.1.0 to 12.1.3.6, under certain conditions, the TMM may consume excessive resources when processing SSL Session ID Persistence traffic.
Which versions are affected by CVE-2019-6590?
It affects 1 product.
Products include F5 Big-Ip Local Traffic Manager.
How do I fix CVE-2019-6590?
No fix has been published for CVE-2019-6590 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-2019-6590 being exploited?
There is no known exploitation of CVE-2019-6590 in the wild and no public exploit code.
Other vulnerabilities in F5 Big-Ip Local Traffic Manager
Sources
Also known as GHSA-9652-xrw4-5wc5.