CVE-2019-18824 : Exploit Details and Defense Strategies

Barco ClickShare Button R9861500D01 devices before version 1.10.0.13 lack support for integrity check, leaving them vulnerable to exploitation.

Understanding CVE-2019-18824

Barco ClickShare Button devices are affected by a critical vulnerability due to the absence of integrity check support.

What is CVE-2019-18824?

Devices prior to version 1.10.0.13 of the Barco ClickShare Button (model R9861500D01) lack support for integrity check, as they fail to verify the integrity of mutable content on the UBIFS partition before utilization.

The Impact of CVE-2019-18824

The vulnerability allows attackers to potentially manipulate mutable content on the UBIFS partition, compromising the device's security and integrity.

Technical Details of CVE-2019-18824

Barco ClickShare Button R9861500D01 devices are susceptible to exploitation due to the following details:

Vulnerability Description

The devices lack support for integrity check, enabling unauthorized modification of mutable content on the UBIFS partition.

Affected Systems and Versions

Product: Barco ClickShare Button (model R9861500D01)
Versions Affected: Devices before version 1.10.0.13

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating mutable content on the UBIFS partition without verification, potentially leading to unauthorized access and data compromise.

Mitigation and Prevention

To address CVE-2019-18824, consider the following mitigation strategies:

Immediate Steps to Take

Update affected devices to version 1.10.0.13 or later to enable integrity check support.
Implement network segmentation to restrict access to vulnerable devices.

Long-Term Security Practices

Regularly monitor and audit device logs for any suspicious activities.
Educate users on security best practices to prevent unauthorized access.

Patching and Updates

Apply firmware updates promptly to ensure the latest security patches are in place.