CVE-2019-18827
Barco ClickShare JTAG Access Information Disclosure
Description
On Barco ClickShare Button R9861500D01 devices (before firmware version 1.9.0) JTAG access is disabled after ROM code execution. This means that JTAG access is possible when the system is running code from ROM before handing control over to embedded firmware.
INFO
Published Date :
Dec. 16, 2019, 5:15 p.m.
Last Modified :
July 21, 2021, 11:39 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
2.2
Affected Products
The following products are affected by CVE-2019-18827
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2019-18827.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-18827 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-18827 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CWE Remap by [email protected]
Jul. 21, 2021
Action Type Old Value New Value Changed CWE CWE-20 CWE-285 CWE-362 -
Initial Analysis by [email protected]
Dec. 28, 2019
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://labs.f-secure.com/advisories/multiple-vulnerabilities-in-barco-clickshare/ No Types Assigned https://labs.f-secure.com/advisories/multiple-vulnerabilities-in-barco-clickshare/ Third Party Advisory Changed Reference Type https://www.barco.com/en/clickshare/firmware-update No Types Assigned https://www.barco.com/en/clickshare/firmware-update Product Changed Reference Type https://www.barco.com/en/support/software/R33050069?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007 No Types Assigned https://www.barco.com/en/support/software/R33050069?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007 Product, Vendor Advisory Changed Reference Type https://www.barco.com/en/support/software/R33050070?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007 No Types Assigned https://www.barco.com/en/support/software/R33050070?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007 Product, Vendor Advisory Changed Reference Type https://www.barco.com/en/support/software/R33050095?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007 No Types Assigned https://www.barco.com/en/support/software/R33050095?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007 Product, Vendor Advisory Changed Reference Type https://www.barco.com/en/support/software/R33050125?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007 No Types Assigned https://www.barco.com/en/support/software/R33050125?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007 Product, Vendor Advisory Added CWE NIST CWE-20 Added CPE Configuration AND OR *cpe:2.3:o:barco:clickshare_cs-100_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.9.0 OR cpe:2.3:h:barco:clickshare_cs-100:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:barco:clickshare_cse-200_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.9.0 OR cpe:2.3:h:barco:clickshare_cse-200:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:barco:clickshare_cse-200\+_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.9.0 OR cpe:2.3:h:barco:clickshare_cse-200\+:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:barco:clickshare_cse-800_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.9.0 OR cpe:2.3:h:barco:clickshare_cse-800:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Dec. 16, 2019
Action Type Old Value New Value Changed Description On the ClickShare Button (R9861500D01) the JTAG debug interface is only disabled in software at initial stage of the bootloader and not permanently disabled (versions before v1.9.x). On Barco ClickShare Button R9861500D01 devices (before firmware version 1.9.0) JTAG access is disabled after ROM code execution. This means that JTAG access is possible when the system is running code from ROM before handing control over to embedded firmware.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-18827 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2019-18827
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
1.26 }} 0.16%
score
0.84118
percentile