Improper Resource Shutdown or Release in BIG-IP - CVE-2022-35272
Published: August 4, 2022
Vulnerability identifier: #VU66099
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-2022-35272
CWE-ID: CWE-404
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 resource management error when source-port preserve-strict is configured on an HTTP Message Routing Framework (MRF) virtual server. A remote attacker can send specially crafted HTTP/2 traffic to the system and perform a denial of service (DoS) attack against the TMM process.
Remediation
Install updates from vendor's website.