NULL pointer dereference in BIG-IP - CVE-2022-23022
Published: January 19, 2022
Vulnerability identifier: #VU59836
CSH Severity: Medium
CVSSv4.0: 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/E:U/U:Green
CVE-ID: CVE-2022-23022
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
BIG-IP
BIG-IP
Software vendor:
F5 Networks
F5 Networks
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dreference error during HTTP protocol inspection. A remote attacker can send specially crafted HTTP request through the affected system, trigger a NULL pointer dereference error and crash the Traffic Management Microkernel (TMM) process.
Successful exploitation of the vulnerability requires that Virtual Servers with HTTP profile is configured.
Remediation
Install update from vendor's website.