CVE-2019-6682 Denial of service in BIG-IP ASM
Attackers can cause denial of service on resource-constrained F5 BIG-IP ASM systems by sending specific HTTP responses when response-side features are enabled.
- 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-2019-6682?
CVE-2019-6682 is a high-severity denial of service vulnerability in F5 Big-Ip Application Security 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 versions 15.0.0-15.0.1.1, 14.0.0-14.1.2.2, 13.1.0-13.1.3.1, 12.1.0-12.1.5, and 11.5.2-11.6.5.1, the BIG-IP ASM system may consume excessive resources when processing certain types of HTTP responses from the origin web server. This vulnerability is only known to affect resource-constrained systems in which the security policy is configured with response-side features, such as Data Guard or response-side learning.
Weakness: CWE-400
Which versions are affected by CVE-2019-6682?
It affects 1 product.
Products include F5 Big-Ip Application Security Manager.
How do I fix CVE-2019-6682?
No fix has been published for CVE-2019-6682 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-2019-6682 being exploited?
There is no known exploitation of CVE-2019-6682 in the wild and no public exploit code.
Other vulnerabilities in F5 Big-Ip Application Security Manager
Sources
Also known as GHSA-xf2c-ffq9-v9qr.