CVE-2018-19982 : Vulnerability Insights and Analysis

A vulnerability has been identified in KT MC01507L Z-Wave S0 devices due to the absence of HPKP implementation, allowing attackers to intercept and manipulate communication between the Server, Controller, and Nodes.

Understanding CVE-2018-19982

This CVE highlights a security flaw in Z-Wave S0 devices that could lead to unauthorized control over connected Nodes.

What is CVE-2018-19982?

The vulnerability arises from the lack of HPKP implementation in KT MC01507L Z-Wave S0 devices, enabling attackers to eavesdrop on unencrypted communication and potentially take control of the connected Nodes.

The Impact of CVE-2018-19982

By exploiting this vulnerability, attackers can intercept and manipulate communication between the Server, Controller, and Nodes, potentially gaining unauthorized access and control over the Z-Wave network.

Technical Details of CVE-2018-19982

This section delves into the specific technical aspects of the vulnerability.

Vulnerability Description

The vulnerability allows attackers on the same network as the target HUB to change destination IP addresses using an IP Changer tool, enabling them to intercept and manipulate communication between the Server, Controller, and Nodes.

Affected Systems and Versions

Product: KT MC01507L Z-Wave S0 devices
Vendor: N/A
Versions: N/A

Exploitation Mechanism

Attackers must be on the same network as the target HUB
Use an IP Changer tool to change destination IP addresses to a proxy-server IP
Intercept unencrypted communication between Server and Controller
Transmit forged command data to gain control over connected Nodes
Possible acquisition of Z-Wave network key when HUB is in Z-Wave Pairing Mode

Mitigation and Prevention

Protecting against and mitigating the risks associated with CVE-2018-19982 is crucial for maintaining the security of Z-Wave networks.

Immediate Steps to Take

Implement HPKP to enhance communication security
Monitor network traffic for any suspicious activities
Restrict access to the network to authorized users only

Long-Term Security Practices

Regularly update firmware and security patches for devices
Conduct security audits and assessments to identify vulnerabilities
Educate users on best practices for network security

Patching and Updates

Stay informed about security updates and patches released by the vendor
Apply patches promptly to address known vulnerabilities