CVE-2022-23028 Denial of service in BIG-IP AFM
Activating SYN cookie protection in BIG-IP AFM causes certain TCP connections to fail, resulting in a denial of service.
- 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-2022-23028?
CVE-2022-23028 is a medium-severity denial of service vulnerability in F5 Big-Ip Advanced Firewall Manager, published on 25 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
On BIG-IP AFM version 16.x before 16.1.0, 15.1.x before 15.1.5, 14.1.x before 14.1.4.5, and all versions of 13.1.x, when global AFM SYN cookie protection (TCP Half Open flood vector) is activated in the AFM Device Dos or DOS profile, certain types of TCP connections will fail. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Weakness: CWE-682
Which versions are affected by CVE-2022-23028?
It affects 1 product.
Products include F5 Big-Ip Advanced Firewall Manager.
How do I fix CVE-2022-23028?
No fix has been published for CVE-2022-23028 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-2022-23028 being exploited?
There is no known exploitation of CVE-2022-23028 in the wild and no public exploit code.
Other vulnerabilities in F5 Big-Ip Advanced Firewall Manager
Sources
Also known as GHSA-j64f-pwh4-gjqv.