CVE-2023-22839 BIG-IP DNS profile vulnerability
Attackers can cause a denial of service by sending undisclosed requests to a BIG-IP virtual server with specific DNS and SYN cookie settings 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-2023-22839?
CVE-2023-22839 is a high-severity vulnerability in F5 Big-Ip Domain Name System, published on 1 Feb 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
On BIG-IP versions 17.0.x before 17.0.0.2, 16.1.x before 16.1.3.3, 15.1.x before 15.1.8.1, 14.1.x before 14.1.5.3, and all version of 13.1.x, when a DNS profile with the Rapid Response Mode setting enabled is configured on a virtual server with hardware SYN cookies enabled, undisclosed requests cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Weakness: CWE-476
Which versions are affected by CVE-2023-22839?
It affects 34 products.
Products include F5 Big-Ip 10000s Firmware, F5 Big-Ip 10200v-Ssl Firmware, F5 Big-Ip 10200v Firmware, F5 Big-Ip 12000 Firmware, F5 Big-Ip 5000s Firmware, F5 Big-Ip 5200v-Ssl Firmware and 28 more.
How do I fix CVE-2023-22839?
No fix has been published for CVE-2023-22839 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-22839 being exploited?
There is no known exploitation of CVE-2023-22839 in the wild and no public exploit code.
Other vulnerabilities in F5 Big-Ip Domain Name System
Sources
Also known as GHSA-9mj7-f2wr-hjrv.