CVE-2019-14424 : Exploit Details and Defense Strategies

A vulnerability in the CUx-Daemon 1.11a addon of the eQ-3 Homematic CCU-Firmware versions 2.35.16 through 2.45.6 allows remote authenticated attackers to perform Local File Inclusion (LFI) attacks, potentially leading to unauthorized access to sensitive files.

Understanding CVE-2019-14424

This CVE identifies a security issue in the CUx-Daemon addon of the eQ-3 Homematic CCU-Firmware that could be exploited by attackers to read confidential files.

What is CVE-2019-14424?

The vulnerability enables remote authenticated attackers to leverage LFI to access sensitive files by sending a basic HTTP request.

The Impact of CVE-2019-14424

The exploitation of this vulnerability could result in unauthorized disclosure of confidential information stored on the affected systems.

Technical Details of CVE-2019-14424

The technical aspects of this CVE are as follows:

Vulnerability Description

Type: Local File Inclusion (LFI)
Component: CUx-Daemon 1.11a addon
Affected Versions: eQ-3 Homematic CCU-Firmware 2.35.16 to 2.45.6

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: Not applicable

Exploitation Mechanism

Attackers need to be authenticated remotely to exploit the vulnerability
By sending a basic HTTP request, attackers can read confidential files

Mitigation and Prevention

To address CVE-2019-14424, consider the following mitigation strategies:

Immediate Steps to Take

Apply vendor-supplied patches or updates promptly
Monitor network traffic for any suspicious activity
Restrict network access to vulnerable systems

Long-Term Security Practices

Regularly update and patch all software and firmware
Conduct security training for users to recognize and report suspicious activities

Patching and Updates

Keep the CUx-Daemon addon and eQ-3 Homematic CCU-Firmware up to date with the latest security patches