Medium severity · published Dec 17, 2019
CVE-2019-18833
Barco ClickShare Button R9861500D01 devices before 1.9.0 allow Information exposure (issue 2 of 2)
5.9
CVSS
0.4%
EPSS
No
On KEV
Description
Barco ClickShare Button R9861500D01 devices before 1.9.0 allow Information exposure (issue 2 of 2).. The encryption key of the media content which is shared between a ClickShare Button and a ClickShare Base Unit is randomly generated for each new session and communicated over a TLS connection. An attacker who is able to perform a Man-in-the-Middle attack between the TLS connection, is able to obtain the encryption key.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 30% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CB
Clickshare Button R9861500d01 Firmware · Barco
before 1.9.0 · source: NVD
Affected product
CB
Clickshare Button R9861500d01 Firmware
Barco
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-18833
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-18833
Exploit
https://labs.f-secure.com/advisories/multiple-vulnerabilities-in-barco-clickshare/
Vendor Advisory
https://www.barco.com/en/clickshare/firmware-update
More from Clickshare Button R9861500d01 Firmware
8.1
CVE-2019-18832
Barco ClickShare Button R9861500D01 devices before 1.9.0 have incorrect Credentials Management
7.8
CVE-2019-18829
Barco ClickShare Button R9861500D01 devices before 1.10.0.13 have Missing Support for Integrity Check
6.6
CVE-2019-18824
Barco ClickShare Button R9861500D01 devices before 1.10.0.13 have Missing Support for Integrity Check