CVE-2019-18826

Current Description

Barco ClickShare Button R9861500D01 devices before 1.9.0 have Improper Following of a Certificate's Chain of Trust. The embedded 'dongle_bridge' program used to expose the functionalities of the ClickShare Button to a USB host, does not properly validate the whole certificate chain.

Basic Data

Published	December 16, 2019
Last Modified	December 27, 2019
Assigner	cve@mitre.org
Data Type	CVE
Data Format	MITRE
Data Version	4.0
Problem Type	CWE-295
CVE Data Version	4.0

Base Metric V2

CVSS 2 - Version	2.0
CVSS 2 - Vector String	AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS 2 - Access Vector	NETWORK
CVSS 2 - Access Complexity	LOW
CVSS 2 - Authentication	NONE
CVSS 2 - Confidentiality Impact	PARTIAL
CVSS 2 - Availability Impact	PARTIAL
CVSS 2 - Base Score	7.5
Severity	HIGH
Exploitability Score	10.0
Impact Score	6.4
Obtain All Privilege	false
Obtain User Privilege	false
Obtain Other Privilege	false

Base Metric V3

No data provided.

Configurations

AND

OR - Configuration 1

Cpe Version	Part	Vendor	Product	Version	Update	Edition	Language	SW Edition	Target SW	Target HW	Other	Version Start Including	Version End Including	Version Start Excluding	Version End Excluding
2.3	OS	Barco	Clickshare Cs-100 Firmware	*	*	*	*	*	*	*	*				1.9.0

OR Running on/with:

Cpe Version	Part	Vendor	Product	Version	Update	Edition	Language	SW Edition	Target SW	Target HW	Other	Version Start Including	Version End Including	Version Start Excluding	Version End Excluding
2.3	Hardware	Barco	Clickshare Cs-100	-	*	*	*	*	*	*	*

AND

OR - Configuration 2

Cpe Version	Part	Vendor	Product	Version	Update	Edition	Language	SW Edition	Target SW	Target HW	Other	Version Start Including	Version End Including	Version Start Excluding	Version End Excluding
2.3	OS	Barco	Clickshare Cse-200 Firmware	*	*	*	*	*	*	*	*				1.9.0

OR Running on/with:

Cpe Version	Part	Vendor	Product	Version	Update	Edition	Language	SW Edition	Target SW	Target HW	Other	Version Start Including	Version End Including	Version Start Excluding	Version End Excluding
2.3	Hardware	Barco	Clickshare Cse-200	-	*	*	*	*	*	*	*

AND

OR - Configuration 3

Cpe Version	Part	Vendor	Product	Version	Update	Edition	Language	SW Edition	Target SW	Target HW	Other	Version Start Including	Version End Including	Version Start Excluding	Version End Excluding
2.3	OS	Barco	Clickshare Cse-200 Firmware	*	*	*	*	*	*	*	*				1.9.0

OR Running on/with:

Cpe Version	Part	Vendor	Product	Version	Update	Edition	Language	SW Edition	Target SW	Target HW	Other	Version Start Including	Version End Including	Version Start Excluding	Version End Excluding
2.3	Hardware	Barco	Clickshare Cse-200	-	*	*	*	*	*	*	*

AND

OR - Configuration 4

Cpe Version	Part	Vendor	Product	Version	Update	Edition	Language	SW Edition	Target SW	Target HW	Other	Version Start Including	Version End Including	Version Start Excluding	Version End Excluding
2.3	OS	Barco	Clickshare Cse-800 Firmware	*	*	*	*	*	*	*	*				1.9.0

OR Running on/with:

Cpe Version	Part	Vendor	Product	Version	Update	Edition	Language	SW Edition	Target SW	Target HW	Other	Version Start Including	Version End Including	Version Start Excluding	Version End Excluding
2.3	Hardware	Barco	Clickshare Cse-800	-	*	*	*	*	*	*	*

Vulnerable Software List

Vendor	Product	Versions
Barco	Clickshare Cse-200 Firmware	*
Barco	Clickshare Cs-100 Firmware	*
Barco	Clickshare Cse-200 Firmware	*
Barco	Clickshare Cse-800 Firmware	*

References

Name	Source	URL	Tags
https://www.barco.com/en/clickshare/firmware-update	https://www.barco.com/en/clickshare/firmware-update	MISC	Product Vendor Advisory