CVE-2022-28691 Explained : Impact and Mitigation

F5 BIG-IP versions 16.1.x, 15.1.x, 14.1.x, and 13.1.x are affected by a vulnerability that allows undisclosed traffic to increase Traffic Management Microkernel (TMM) resource utilization.

Understanding CVE-2022-28691

This CVE ID refers to a vulnerability in F5 BIG-IP that impacts different versions of the software.

What is CVE-2022-28691?

CVE-2022-28691 affects F5 BIG-IP versions 16.1.x, 15.1.x, 14.1.x, and 13.1.x, where configuring a Real Time Streaming Protocol (RTSP) profile on a virtual server can lead to increased TMM resource usage due to undisclosed traffic.

The Impact of CVE-2022-28691

The vulnerability has a CVSS base score of 7.5, indicating a high severity issue with a significant impact on availability.

Technical Details of CVE-2022-28691

This section covers the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability allows attackers to leverage undisclosed traffic to elevate TMM resource utilization on affected F5 BIG-IP versions.

Affected Systems and Versions

F5 BIG-IP versions 16.1.x, 15.1.x, 14.1.x, and 13.1.x are impacted, while versions 12.1.x and 11.6.x remain unaffected.

Exploitation Mechanism

By configuring an RTSP profile on a virtual server, malicious actors can exploit the vulnerability to impact TMM resource management.

Mitigation and Prevention

Protecting systems from CVE-2022-28691 requires immediate action and long-term security practices.

Immediate Steps to Take

Apply patches provided by F5 Networks to address the vulnerability and prevent exploitation.

Long-Term Security Practices

Regularly monitor F5 BIG-IP systems for vulnerabilities and apply security updates promptly to mitigate risks.

Patching and Updates

Stay informed about security advisories from F5 Networks and ensure timely application of patches to safeguard systems.