#VU51492 Buffer overflow in BIG-IP Advanced WAF and BIG-IP ASM - CVE-2021-22992
Published: March 16, 2021
Vulnerability identifier: #VU51492
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-22992
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
BIG-IP Advanced WAF
BIG-IP ASM
BIG-IP Advanced WAF
BIG-IP ASM
Software vendor:
F5 Networks
F5 Networks
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing HTTP responses. A remote attacker can create a specially crafted HTTP response to an Advanced WAF/ASM virtual server with Login Page configured in its policy, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install updates from vendor's website.