NULL pointer dereference in BIG-IP - CVE-2022-23022
Published: January 19, 2022
Vulnerability identifier: #VU59836
CSH Severity: Medium
CVSS v4.0: 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
Vendor: F5 Networks
Affected software:
BIG-IP
BIG-IP
Detailed vulnerability 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.
How to mitigate CVE-2022-23022
Install update from vendor's website.