Date: Wed, 9 Feb 2022 10:48:00 +0000
From: "SEC Consult Vulnerability Lab,
 Research via Fulldisclosure" <fulldisclosure@...lists.org>
To: "fulldisclosure@...lists.org" <fulldisclosure@...lists.org>
Subject: [FD] SEC Consult SA-20220209 :: Open Redirect in Login Page in
 SIEMENS-SINEMA Remote Connect

SEC Consult Vulnerability Lab Security Advisory < 20220209-0 >
=======================================================================
               title: Open Redirect in Login Page
             product: SIEMENS-SINEMA Remote Connect
  vulnerable version: V1.0 SP3 HF1
       fixed version: V2.0 has been out since April, 2019
          CVE number: CVE-2022-23102
              impact: Low
            homepage: https://www.siemens.com
               found: 2021-11-18
                  by: A. Ovsyannikova (Office Moscow)
                      SEC Consult Vulnerability Lab

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

                      https://www.sec-consult.com

=======================================================================

Vendor description:
-------------------
"Siemens is a technology company focused on industry, infrastructure, transport, and healthcare.
 From more resource-efficient factories, resilient supply chains, and smarter buildings and grids,
to cleaner and more comfortable transportation as well as advanced healthcare, we create
technology with purpose adding real value for customers. By combining the real and the digital
worlds, we empower our customers to transform their industries and markets, helping them
to transform the everyday for billions of people."

Source: https://www.siemens.com


Business recommendation:
------------------------
The vendor provides a patched version for the affected product since April 2019, but the
security notes have been published now.

An in-depth security analysis performed by security professionals is highly advised, as the
software may be affected from further security issues.


Vulnerability overview/description:
-----------------------------------
1) Open Redirect in Login Page (CVE-2022-23102)
An open redirect vulnerability can be triggered by luring a user to authenticate to a
SIEMENS-SINEMA Remote Connect device by clicking on a crafted link.
By abusing this vulnerability, an attacker could steal logon credentials with a specially
crafted phishing page or exploit browser vulnerabilities.


Proof of concept:
-----------------
1) Open Redirect in Login Page  (CVE-2022-23102)
After a successful login of the victim, the user will be redirected to https://www.sec-consult.com
when the following link is being clicked:

https://$IP/wbm/login/?next=https://www.sec-consult.com


Vulnerable / tested versions:
-----------------------------
The following version has been tested and found to be vulnerable:
* SIEMENS-SINEMA Remote Connect Client V1.0 SP3 HF1


Vendor contact timeline:
------------------------
2021-12-13: Contacting CERT through cert@...mens.com and requested support for the
             disclosure process.
2021-12-15: Siemens opened case #32494 to track this issue.
2022-01-12: Security contact informed us, that some vulnerabilities were fixed by the vendor
             back in 2019 but they will issue a CVE and an advisory for 8th Feb 2022.
2022-01-18: Siemens has reserved the CVE number CVE-2022-23102.
2022-02-08: Release of Siemens advisory CVE-2022-23102.
2022-02-09: Release of security advisory.


Solution:
---------
The vendor provides a patched version V2.0 for the affected product since April 2019, but the
security notes have been published now at:

https://cert-portal.siemens.com/productcert/pdf/ssa-654775.pdf


Workaround:
-----------
None


Advisory URL:
-------------
https://sec-consult.com/vulnerability-lab/


~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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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Contact our local offices https://sec-consult.com/contact/
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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Twitter: https://twitter.com/sec_consult

EOF A.Ovsyannikova / @2022

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