BIG-IP 17.0 B4 17.0.0.2 & 16.1 B4 16.1.3.3 HTTP/2+MRF Router Mem DoS
CVE-2023-22664 Published on February 1, 2023
BIG-IP HTTP/2 profile vulnerability
On BIG-IP versions 17.0.x before 17.0.0.2 and 16.1.x before 16.1.3.3, and BIG-IP SPK starting in version 1.6.0, when a client-side HTTP/2 profile and the HTTP MRF Router option are enabled for a virtual server, undisclosed requests can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Vulnerability Analysis
CVE-2023-22664 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
What is a Resource Exhaustion Vulnerability?
The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
CVE-2023-22664 has been classified to as a Resource Exhaustion vulnerability or weakness.
Products Associated with CVE-2023-22664
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Affected Versions
F5 BIG-IP:- Version 17.0.0 and below 17.0.0.2 is affected.
- Version 16.1.0 and below 16.1.3.3 is affected.
- Version 1.6.0 and below * is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.