PT-2019-15683 · Barco · Barco Clickshare Button

Published 2019-12-16 · Updated 2019-12-27 · CVE-2019-18826

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Barco ClickShare Button R9861500D01 versions prior to 1.9.0

Description The issue arises from the 'dongle bridge' program, which is used to expose the functionalities of the ClickShare Button to a USB host. This program does not properly validate the whole certificate chain, leading to Improper Following of a Certificate's Chain of Trust.

Recommendations For versions prior to 1.9.0, update to version 1.9.0 or later to resolve the issue. As a temporary workaround, consider restricting the use of the 'dongle bridge' program until a patch is available.

Fix

Improper Certificate Validation

Weakness Enumeration

CWE-295

Related Identifiers

CVE-2019-18826

Affected Products

Barco Clickshare Button

References · 3

• https://osv.dev/vulnerability/CVE-2019-18826 · Vendor Advisory
• https://barco.com/en/clickshare/firmware-update · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-18826 · Security Note