CVE-2019-6649 : Exploit Details and Defense Strategies

F5 BIG-IP 15.0.0, 14.1.0-14.1.0.6, 14.0.0-14.0.0.5, 13.0.0-13.1.1.5, 12.1.0-12.1.4.1, 11.6.0-11.6.4, and 11.5.1-11.5.9 and Enterprise Manager 3.1.1 may expose sensitive information and allow the system configuration to be modified when using non-default ConfigSync settings.

Understanding CVE-2019-6649

When using non-default ConfigSync settings, there is a possibility that F5 BIG-IP versions 15.0.0, 14.1.0-14.1.0.6, 14.0.0-14.0.0.5, 13.0.0-13.1.1.5, 12.1.0-12.1.4.1, 11.6.0-11.6.4, and 11.5.1-11.5.9, as well as Enterprise Manager version 3.1.1, could expose sensitive information and allow modifications to the system configuration.

What is CVE-2019-6649?

This CVE involves F5 BIG-IP and Enterprise Manager versions that may expose sensitive information and allow unauthorized modifications to the system configuration when non-default ConfigSync settings are used.

The Impact of CVE-2019-6649

The vulnerability could lead to information disclosure and unauthorized access, potentially compromising the confidentiality and integrity of the affected systems.

Technical Details of CVE-2019-6649

F5 BIG-IP and Enterprise Manager are affected by this vulnerability.

Vulnerability Description

When non-default ConfigSync settings are utilized, sensitive information exposure and unauthorized system configuration modifications are possible in the affected versions.

Affected Systems and Versions

Products: BIG-IP, Enterprise Manager
Vendor: F5 Networks
Versions: BIG-IP 15.0.0, 14.1.0-14.1.0.6, 14.0.0-14.0.0.5, 13.0.0-13.1.1.5, 12.1.0-12.1.4.1, 11.6.0-11.6.4, 11.5.1-11.5.9, EM 3.1.1

Exploitation Mechanism

The vulnerability arises when non-default ConfigSync settings are configured, potentially leading to the exposure of sensitive information and unauthorized system configuration changes.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent exploitation of this vulnerability.

Immediate Steps to Take

Apply patches provided by F5 Networks promptly.
Review and adjust ConfigSync settings to default configurations.
Monitor system logs for any suspicious activities.

Long-Term Security Practices

Regularly update and patch F5 BIG-IP and Enterprise Manager systems.
Implement network segmentation and access controls to limit exposure.
Conduct security assessments and audits periodically.

Patching and Updates

Ensure that all affected systems are updated with the latest patches and security updates provided by F5 Networks.