CVE-2019-18831 Explained : Impact and Mitigation

Devices with firmware versions prior to 1.9.0 of the Barco ClickShare Button have a vulnerability that exposes information due to the storage of a private key within the encrypted firmware.

Understanding CVE-2019-18831

Barco ClickShare Button R9861500D01 devices before 1.9.0 allow Information Exposure.

What is CVE-2019-18831?

The vulnerability in Barco ClickShare Button devices allows for the exposure of information as the private key of a test device-certificate is stored within the encrypted firmware.

The Impact of CVE-2019-18831

Unauthorized access to sensitive information stored on affected devices
Potential compromise of confidentiality and integrity of data

Technical Details of CVE-2019-18831

Barco ClickShare Button devices are affected by this vulnerability.

Vulnerability Description

The encrypted firmware of the ClickShare Button contains the private key of a test device-certificate, leading to information exposure.

Affected Systems and Versions

Product: Barco ClickShare Button
Vendor: Barco
Versions: Firmware versions prior to 1.9.0

Exploitation Mechanism

The vulnerability allows attackers to access the private key stored within the firmware, potentially leading to unauthorized information disclosure.

Mitigation and Prevention

Immediate action is necessary to secure affected devices.

Immediate Steps to Take

Update the firmware to version 1.9.0 or later
Implement network segmentation to limit exposure
Monitor for any unauthorized access or unusual activities

Long-Term Security Practices

Regularly update firmware and software to patch known vulnerabilities
Conduct security assessments and audits to identify and address potential risks

Patching and Updates

Barco has released firmware updates to address this vulnerability
Ensure all devices are updated to the latest firmware version to mitigate the risk of information exposure