CVE-2022-23012 : Vulnerability Insights and Analysis
Discover the impact of CVE-2022-23012 affecting BIG-IP versions 15.1.x before 15.1.4.1 and 14.1.x before 14.1.4.5. Learn about the exploitation mechanism and effective mitigation strategies.
A detailed analysis of CVE-2022-23012 focusing on the impact, technical details, and mitigation strategies.
Understanding CVE-2022-23012
CVE-2022-23012 is a vulnerability found in BIG-IP versions 15.1.x before 15.1.4.1 and 14.1.x before 14.1.4.5 that can lead to the termination of the Traffic Management Microkernel (TMM) due to undisclosed requests when the HTTP/2 profile is configured.
What is CVE-2022-23012?
The CVE-2022-23012 vulnerability affects F5's BIG-IP products, specifically in versions 15.1.x before 15.1.4.1 and 14.1.x before 14.1.4.5. It is classified under CWE-415 as a Double Free vulnerability.
The Impact of CVE-2022-23012
The exploitation of this vulnerability can result in the termination of the Traffic Management Microkernel (TMM) when certain undisclosed requests are made to a virtual server with the HTTP/2 profile configured. This could lead to service disruption and potential denial of service.
Technical Details of CVE-2022-23012
Understanding the vulnerability description, affected systems, versions, and exploitation mechanism.
Vulnerability Description
On affected versions of BIG-IP, the presence of undisclosed requests in the configuration of the HTTP/2 profile on a virtual server can trigger the Traffic Management Microkernel (TMM) termination, impacting system availability.
Affected Systems and Versions
The vulnerability impacts BIG-IP products, namely versions 15.1.x before 15.1.4.1 and 14.1.x before 14.1.4.5, running configurations with the HTTP/2 profile enabled on virtual servers.
Exploitation Mechanism
Exploitation involves sending specific requests to a virtual server with the HTTP/2 profile configured, causing the Traffic Management Microkernel (TMM) to terminate unexpectedly.
Mitigation and Prevention
Effective strategies to mitigate the risk and prevent exploitation of CVE-2022-23012.
Immediate Steps to Take
F5 recommends updating affected systems to versions 15.1.4.1 and 14.1.4.5 or later to address the vulnerability. Additionally, review and adjust HTTP/2 profile configurations to minimize exposure.
Long-Term Security Practices
Regular monitoring of security advisories from F5 and timely application of patches and updates is essential to maintain the security of BIG-IP deployments.
Patching and Updates
Stay informed about security updates and patches released by F5 for BIG-IP products. Apply patches promptly to ensure protection against known vulnerabilities.