Buffer overflow in BIG-IP - CVE-2023-22422
Published: February 6, 2023
Vulnerability identifier: #VU71812
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-2023-22422
CWE-ID: CWE-120
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 improper input validation when an HTTP profile with the non-default Enforcement options Enforce RFC Compliance and Unknown Methods: Reject are configured on a virtual server. A remote attacker can send specially crafted traffic to the affected device, trigger a buffer overflow and crash the TMM process.
Remediation
Install updates from vendor's website.