NULL pointer dereference in BIG-IP - CVE-2022-23021
Published: January 20, 2022
Vulnerability identifier: #VU59891
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-23021
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.
This vulnerability affects the Virtual server with any of the following profiles or policies configured:
- HTTP redirect rule in an LTM policy
- BIG-IP APM Access Profile
- Explicit HTTP Proxy in the HTTP Profile
Affected software
BIG-IP
How to mitigate CVE-2022-23021
Install update from vendor's website.
BIG-IP - update to 16.1.2