CVE-2022-41813 : Security Advisory and Response

A vulnerability has been discovered in BIG-IP AFM & PEM versions, impacting certain versions and resulting in a high availability impact.

Understanding CVE-2022-41813

This CVE pertains to undisclosed input leading to the termination of Traffic Management Microkernel (TMM) in BIG-IP provisioned with PEM or AFM modules.

What is CVE-2022-41813?

In versions 16.1.x before 16.1.3.1, 15.1.x before 15.1.6.1, 14.1.x before 14.1.5, and all versions of 13.1.x, an undisclosed input vulnerability exists, causing TMM to terminate.

The Impact of CVE-2022-41813

The vulnerability poses a medium severity threat with a CVSS base score of 6.5. It requires low privileges and no user interaction but results in a high availability impact.

Technical Details of CVE-2022-41813

This section covers the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability arises from improper input validation in specific versions of BIG-IP AFM & PEM, leading to TMM termination.

Affected Systems and Versions

F5 BIG-IP AFM & PEM versions 17.0.0 (unaffected), 16.1.x, 15.1.x, 14.1.x, 13.1.0 affected.

Exploitation Mechanism

An undisclosed input triggers the vulnerability, impacting Traffic Management Microkernel (TMM) when provisioned with PEM or AFM module.

Mitigation and Prevention

In this section, you'll find immediate steps to take, long-term security practices, and the importance of patching and updates.

Immediate Steps to Take

Upgrade to the patched versions: 16.1.3.1, 15.1.6.1, 14.1.5, or the latest unaffected version.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Conduct regular security assessments and audits to detect vulnerabilities proactively.
Implement a robust input validation process in software development.

Patching and Updates

Stay vigilant for security advisories from F5 and apply patches promptly to mitigate potential risks.