Buffer overflow in F5 Big-Ip
CVE-2023-22422
On BIG-IP versions 17.0.x before 17.0.0.2 and 16.1.x before 16.1.3.3, when a HTTP profile with the non-default Enforcement options of Enforce HTTP Compliance and Unknown Methods: Reject are configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Vulnerability class: Buffer Overflow
EPSS: 0.006 (46.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- F5 Big-ip — versions 17.0.0, 16.1.0
- F5 Big-ip_access_policy_manager
- F5 Big-ip_advanced_firewall_manager
- F5 Big-ip_analytics
- F5 Big-ip_application_acceleration_manager
- F5 Big-ip_application_security_manager
- F5 Big-ip_ddos_hybrid_defender
- F5 Big-ip_domain_name_system
- F5 Big-ip_fraud_protection_service
- F5 Big-ip_link_controller
Weakness classification (CWE)
References
- f5sirt@f5.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-22422?
- CVE-2023-22422 is a high-severity vulnerability in F5 Big-Ip, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2023-02-01.
- How severe is CVE-2023-22422?
- High severity. CVSS v3 base score is 7.5 out of 10.