CVE-2022-29479 Denial of service in BIG-IP

Medium 5.3 Published 5 May 2022 Updated 17 Sep 2024

Attackers can cause decreased performance on F5 BIG-IP systems by sending undisclosed packets when IPv6 strict compliance is 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-2022-29479?

CVE-2022-29479 is a medium-severity denial of service vulnerability in F5 Big-Ip Access Policy Manager, published on 5 May 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

On F5 BIG-IP 15.1.x versions prior to 15.1.5.1, 14.1.x versions prior to 14.1.4.6, 13.1.x versions prior to 13.1.5, and all versions of 12.1.x and 11.6.x, and F5 BIG-IQ Centralized Management all versions of 8.x and 7.x, when an IPv6 self IP address is configured and the ipv6.strictcompliance database key is enabled (disabled by default) on a BIG-IP system, undisclosed packets may cause decreased performance. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

Weakness: CWE-20

Which versions are affected by CVE-2022-29479?

It affects 12 products.

Products include F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager, F5 Big-Ip Application Security Manager, F5 Big-Ip Domain Name System and 6 more.

How do I fix CVE-2022-29479?

No fix has been published for CVE-2022-29479 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-2022-29479 being exploited?

There is no known exploitation of CVE-2022-29479 in the wild and no public exploit code.

All F5 Big-Ip Access Policy Manager vulnerabilities

Sources

Also known as GHSA-8qcx-c78v-3ph7.