CVE-2019-18829 : Exploit Details and Defense Strategies

Devices with a version before 1.10.0.13 of the Barco ClickShare Button R9861500D01 lack support for integrity check. The binary file 'Clickshare_For_Windows.exe' signed by Barco and installed on the ClickShare Button (R9861500D01) loads several DLL files dynamically without performing a verification of their integrity.

Understanding CVE-2019-18829

Barco ClickShare Button R9861500D01 devices before version 1.10.0.13 are affected by a vulnerability that results in a lack of support for integrity check.

What is CVE-2019-18829?

This CVE refers to the issue where the ClickShare Button devices do not verify the integrity of dynamically loaded DLL files, potentially leading to security risks.

The Impact of CVE-2019-18829

The vulnerability could allow malicious actors to exploit the lack of integrity checks on DLL files, compromising the security of the affected devices and potentially leading to unauthorized access or other attacks.

Technical Details of CVE-2019-18829

Barco ClickShare Button R9861500D01 devices are susceptible to the following:

Vulnerability Description

Devices running versions prior to 1.10.0.13 lack integrity check support, allowing DLL files to be loaded without verification.

Affected Systems and Versions

Product: Barco ClickShare Button R9861500D01
Versions Affected: Before 1.10.0.13

Exploitation Mechanism

The 'Clickshare_For_Windows.exe' binary, signed by Barco, loads DLL files dynamically without ensuring their integrity, creating a potential attack vector.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent exploitation of this vulnerability:

Immediate Steps to Take

Update affected devices to version 1.10.0.13 or newer.
Implement network segmentation to limit exposure.
Monitor for any suspicious activities on the network.

Long-Term Security Practices

Regularly update firmware and software to patch vulnerabilities.
Conduct security assessments and audits to identify and mitigate risks.

Patching and Updates

Refer to Barco's firmware update and support pages for the latest patches and versions to secure the ClickShare Button devices.