CVE-2022-36795 : What You Need to Know
Discover the impact of CVE-2022-36795 on BIG-IP software versions 17.0.x, 16.1.x, 15.1.x, and 14.1.x. Learn about the vulnerability, affected systems, and mitigation steps.
A detailed overview of the BIG-IP software SYN cookies vulnerability CVE-2022-36795.
Understanding CVE-2022-36795
This section delves into the nature and impact of the vulnerability in BIG-IP software.
What is CVE-2022-36795?
Big-IP versions 17.0.x before 17.0.0.1, 16.1.x before 16.1.3.1, 15.1.x before 15.1.7, and 14.1.x before 14.1.5.1 are affected by a vulnerability where an LTM TCP profile with Auto Receive Window Enabled configuration on a virtual server can be exploited by undisclosed traffic, causing the virtual server to cease processing new client connections.
The Impact of CVE-2022-36795
The vulnerability can lead to the interruption of client connections on affected virtual servers, potentially impacting network availability.
Technical Details of CVE-2022-36795
Explore the specific technical aspects of the vulnerability in the BIG-IP software.
Vulnerability Description
The vulnerability arises from the improper handling of traffic in virtual servers with specific LTM TCP profile configurations, leading to a halt in new client connections.
Affected Systems and Versions
F5's BIG-IP versions 17.0.x, 16.1.x, 15.1.x, and 14.1.x are confirmed to be impacted by the vulnerability, while version 13.1.0 remains unaffected.
Exploitation Mechanism
By sending undisclosed traffic to virtual servers with the vulnerable LTM TCP profile, threat actors can disrupt the processing of new client connections.
Mitigation and Prevention
Learn about the steps to mitigate the risks posed by CVE-2022-36795 in BIG-IP software.
Immediate Steps to Take
Immediately update affected BIG-IP instances to versions 17.0.0.1, 16.1.3.1, 15.1.7, and 14.1.5.1 to address the vulnerability.
Long-Term Security Practices
Regularly monitor and apply security patches to ensure the ongoing protection of BIG-IP deployments against known vulnerabilities.
Patching and Updates
Stay informed about security advisories from F5 and promptly apply relevant patches to secure BIG-IP software against emerging threats.