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Multiple XSS Vulnerabilities in B&R Systems Diagnostics Manager

Table of Contents

From: “SEC Consult Vulnerability Lab, Research via Fulldisclosure” <fulldisclosure () seclists org>
Date: Tue, 14 Feb 2023 09:42:53 +0000

SEC Consult Vulnerability Lab Security Advisory < 20230214-0 >
               title: Multiple XSS Vulnerabilities
             product: B&R Systems Diagnostics Manager
  vulnerable version: >=3.00 and <=C4.93
       fixed version: >=D4.93
          CVE number: CVE-2022-4286
              impact: medium
               found: 2022-10-28
                  by: S. Robertz (Office Vienna)
                      G. Hechenberger (Office Vienna)
                      SEC Consult Vulnerability Lab

                      An integrated part of SEC Consult, an Atos company
                      Europe | Asia | North America



Vendor description:
"Our slogan is our mission. The pursuit of Perfection in Automation has
inspired and guided B&R for over 40 years. To us, perfection means more
than developing the best solutions in industrial automation. It also means
developing the best relationships – with our customers and partners as
well as our employees and suppliers.

Keen foresight and entrepreneurial courage helped us rise quickly into
the ranks of top global players in industrial automation. An intuitive sense
of market dynamics and emerging trends has established us as a pioneer,
leading the way with the most innovative technology on the market.

Our role as the ABB Group's global center for machine and factory automation
strengthens our position of leadership and adds new momentum to our
impressive record of sustained growth."


Business recommendation:
The vendor provides a software update which should be installed immediately.

SEC Consult highly recommends to perform a thorough security review of the
product conducted by security professionals to identify and resolve potential
further security issues.

Vulnerability overview/description:
1) Multiple Reflected Cross-Site-Scripting Vulnerabilities (CVE-2022-4286)
An attacker can execute arbitrary JavaScript code in the context of the
victim's session, thus perform all actions, exfiltrate information, etc.
In order to exploit this vulnerability the attacker will have to trick
the user into visiting a manipulated URL.

Proof of concept:
1) Multiple Reflected Cross-Site-Scripting Vulnerabilities (CVE-2022-4286)
The following URL has to be visited by the victim in order to execute
arbitrary JavaScript code.


A very similar vulnerability can be found at another endpoint of the
System Diagnostic Manager (SDM).


Vulnerable / tested versions:
The following device and firmware version has been tested:
* B&R X20CP3687X SwModuleVersion 186

According to the vendor, all B&R Automation Runtime (AR) versions >=3.00 and <=C4.93
are affected.

Vendor contact timeline:
2022-11-21: Contacting vendor through cybersecurity () br-automation com.
             Sent encrypted advisory.
2022-11-22: Vendor requests B&R Automation Runtime version.
2022-12-01: Vendor confirms vulnerability. Will be fixed with next release.
             Asking for timeline.
2022-12-13: Advisory and patch will be published on 2023-02-10.
             Vendor offers to share the advisory for review purposes.
2023-01-25: Reviewing vendor advisory, receiving CVE + affected/fixed version
2023-02-10: Vendor provides the patch.
2023-02-14: Coordinated release of security advisory.

The vendor supplies a patch, which should be installed immediately.
The following version mitigates the identified XSS issues:
* B&R Automation Runtime version >=D4.93

The vendor has published the following security advisory:

Administrators can deactivate the System Diagnostics Manager in case it is not

Advisory URL:


SEC Consult Vulnerability Lab

SEC Consult, an Atos company
Europe | Asia | North America

About SEC Consult Vulnerability Lab
The SEC Consult Vulnerability Lab is an integrated part of SEC Consult, an
Atos company. It ensures the continued knowledge gain of SEC Consult in the
field of network and application security to stay ahead of the attacker. The
SEC Consult Vulnerability Lab supports high-quality penetration testing and
the evaluation of new offensive and defensive technologies for our customers.
Hence our customers obtain the most current information about vulnerabilities
and valid recommendation about the risk profile of new technologies.

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Mail: security-research at sec-consult dot com
EOF S. Robertz, G. Hechenberger / @2023
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