CVE-2019-18830 : What You Need to Know

Devices with Barco ClickShare Button R9861500D01 firmware versions earlier than 1.9.0 are susceptible to OS Command Injection. The 'dongle_bridge' program, which enables the ClickShare Button to interact with a USB host, has vulnerabilities that can be exploited to execute arbitrary code on the ClickShare Button, using the privileges of the 'nobody' user.

Understanding CVE-2019-18830

Barco ClickShare Button R9861500D01 devices before 1.9.0 allow OS Command Injection. The embedded 'dongle_bridge' program used to expose the functionalities of the ClickShare Button to a USB host is vulnerable to OS command injection vulnerabilities.

What is CVE-2019-18830?

CVE-2019-18830 is a vulnerability found in Barco ClickShare Button R9861500D01 devices before firmware version 1.9.0. It allows for OS Command Injection, enabling attackers to execute arbitrary code on the device.

The Impact of CVE-2019-18830

The vulnerability can be exploited to execute unauthorized code on the ClickShare Button, potentially leading to a compromise of the device and unauthorized access to sensitive information.

Technical Details of CVE-2019-18830

Barco ClickShare Button R9861500D01 devices before 1.9.0 are affected by this vulnerability.

Vulnerability Description

The 'dongle_bridge' program in the affected devices is vulnerable to OS Command Injection, allowing attackers to run arbitrary code with the privileges of the 'nobody' user.

Affected Systems and Versions

Product: Barco ClickShare Button R9861500D01
Versions Affected: Firmware versions earlier than 1.9.0

Exploitation Mechanism

Attackers can exploit the vulnerabilities in the 'dongle_bridge' program to inject and execute malicious commands on the ClickShare Button, leveraging the 'nobody' user's privileges.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of CVE-2019-18830.

Immediate Steps to Take

Update the firmware of Barco ClickShare Button devices to version 1.9.0 or later.
Implement network segmentation to restrict access to vulnerable devices.
Monitor and analyze network traffic for any suspicious activities.

Long-Term Security Practices

Regularly update and patch all devices and software to mitigate potential vulnerabilities.
Conduct security assessments and penetration testing to identify and address security gaps.

Patching and Updates

Apply the latest firmware updates provided by Barco to ensure the security of ClickShare Button devices.