CVE-2022-26890 : What You Need to Know
Learn about CVE-2022-26890 impacting F5 BIG-IP Advanced WAF, ASM, and APM versions 16.1.x, 15.1.x, 14.1.x, and 13.1.x. Understand the risk, impact, and mitigation strategies.
F5 BIG-IP Advanced WAF, ASM, and APM versions 16.1.x, 15.1.x, 14.1.x, and 13.1.x are vulnerable to a critical flaw that could lead to the termination of the bd process. Learn more about CVE-2022-26890 and how to mitigate the risk.
Understanding CVE-2022-26890
This CVE impacts F5 BIG-IP Advanced WAF, ASM, and APM versions, potentially causing a denial of service due to undisclosed requests terminating the bd process.
What is CVE-2022-26890?
The vulnerability in F5 BIG-IP Advanced WAF, ASM, and APM versions 16.1.x, 15.1.x, 14.1.x, and 13.1.x allows attackers to disrupt services by terminating the bd process.
The Impact of CVE-2022-26890
With a CVSS base score of 7.5, this vulnerability has a high impact, especially on availability, potentially leading to denial of service.
Technical Details of CVE-2022-26890
The vulnerability is classified under CWE-670 - Always-Incorrect Control Flow Implementation. Check out the affected systems, versions, and exploitation mechanism.
Vulnerability Description
When ASM or Advanced WAF and APM are set up on a virtual server with specific configurations, undisclosed requests can trigger the termination of the bd process.
Affected Systems and Versions
- 16.1.x versions prior to 16.1.2.1
- 15.1.x versions prior to 15.1.5
- 14.1.x versions prior to 14.1.4.6
- 13.1.x versions prior to 13.1.5
Exploitation Mechanism
Attackers can exploit the vulnerability by sending undisclosed requests to servers with certain configurations, leading to the termination of critical processes.
Mitigation and Prevention
Understand the immediate steps and long-term security practices to safeguard your systems from CVE-2022-26890.
Immediate Steps to Take
- Disable unnecessary services and protocols
- Monitor network traffic for suspicious activities
Long-Term Security Practices
- Regularly update and patch F5 BIG-IP products
- Conduct security audits and assessments periodically
Patching and Updates
Stay informed about security updates from F5 and apply relevant patches promptly to mitigate the risk of exploitation.