Introduction

On October 26, 2023, F5 Networks released a security advisory warning of a critical vulnerability in its BIG-IP load balancing platform. The vulnerability, CVE-2023-46747, is a remote code execution (RCE) vulnerability that could allow an unauthenticated attacker to take control of a BIG-IP system.

This blog post will provide a comprehensive guide to protecting your F5 BIG-IP system from CVE-2023-46747. It will cover the following topics:

What is the F5 BIG-IP platform?
What is the impact of the CVE-2023-46747 vulnerability?
How to protect your F5 BIG-IP system from CVE-2023-46747
How Gladius Schild can help

What is the F5 BIG-IP platform?

The F5 BIG-IP platform is a load balancer that provides a variety of features, including traffic distribution, application security, and access control. The BIG-IP platform is used by organizations of all sizes to improve the performance, security, and reliability of their web applications.

What is the impact of the CVE-2023-46747 vulnerability?

If exploited, the CVE-2023-46747 vulnerability could allow an attacker to:

• Take control of the BIG-IP system and use it to launch further attacks on other systems on the network.
• Disrupt web traffic by redirecting traffic to malicious websites or by blocking legitimate traffic.
• Steal sensitive data from systems that are connected to the BIG-IP system.

How to protect your F5 BIG-IP system from CVE-2023-46747

The best way to protect your F5 BIG-IP system from CVE-2023-46747 is to apply the patch that F5 has released. The patch is available for all supported BIG-IP versions.

If you are unable to apply the patch immediately, there are a number of steps that you can take to mitigate the risk of exploitation, including:

• Restrict access to the BIG-IP management interface. Only authorized users should have access to the BIG-IP management interface. You can use a firewall to restrict access to the management interface to specific IP addresses or networks.
• Enable two-factor authentication (2FA) for the BIG-IP management interface. 2FA adds an additional layer of security to the BIG-IP management interface.
• Monitor your BIG-IP systems for suspicious activity. You can use a security information and event management (SIEM) system to monitor your BIG-IP systems for unauthorized login attempts, unusual network traffic, and other suspicious activity.

How Gladius Schild can help

Gladius Schild can help you to protect your F5 BIG-IP system from CVE-2023-46747 in a number of ways:

Vulnerability scanning: Gladius Schild can scan your BIG-IP system for vulnerabilities, including CVE-2023-46747. If Gladius Schild discovers any vulnerabilities on your system, they can help you to develop and implement a remediation plan.

Conclusion

The CVE-2023-46747 vulnerability in the F5 BIG-IP platform is a critical threat that organizations need to be aware of. It is important to take steps to protect your BIG-IP system from this vulnerability, such as applying the patch that F5 has released, restricting access to the BIG-IP management interface, enabling 2FA, and monitoring your BIG-IP systems for suspicious activity. Gladius Schild can help you to protect your BIG-IP systems from CVE-2023-46747.