CVE-2019-14423 : Security Advisory and Response

An RCE vulnerability has been discovered in the CUx-Daemon 1.11a addon of the eQ-3 Homematic CCU-Firmware 2.35.16 through 2.45.6, allowing remote authenticated attackers to execute system commands with root privileges via an HTTP request.

Understanding CVE-2019-14423

This CVE involves a Remote Code Execution (RCE) issue in the CUx-Daemon addon of the eQ-3 Homematic CCU-Firmware, enabling attackers to execute commands as root remotely.

What is CVE-2019-14423?

CVE-2019-14423 is a vulnerability in the CUx-Daemon 1.11a addon of the eQ-3 Homematic CCU-Firmware, allowing remote authenticated attackers to run system commands with root privileges through a basic HTTP request.

The Impact of CVE-2019-14423

The vulnerability poses a significant risk as it enables attackers to gain root access to the system, potentially leading to unauthorized control and manipulation of the affected devices.

Technical Details of CVE-2019-14423

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

The vulnerability in CUx-Daemon 1.11a of the eQ-3 Homematic CCU-Firmware 2.35.16 through 2.45.6 allows remote authenticated attackers to execute system commands with root privileges via a straightforward HTTP request.

Affected Systems and Versions

Systems: eQ-3 Homematic CCU-Firmware
Versions: 2.35.16 through 2.45.6

Exploitation Mechanism

Attackers can exploit this vulnerability by sending a simple HTTP request to the affected system, granting them the ability to execute commands with root privileges remotely.

Mitigation and Prevention

To address CVE-2019-14423, users and administrators should take immediate and long-term security measures.

Immediate Steps to Take

Apply security patches provided by the vendor promptly.
Monitor network traffic for any suspicious activity.
Restrict access to vulnerable systems.

Long-Term Security Practices

Regularly update and patch all software and firmware.
Implement network segmentation to limit the impact of potential breaches.
Conduct security assessments and penetration testing regularly.

Patching and Updates

Keep the eQ-3 Homematic CCU-Firmware updated with the latest patches and security fixes.