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@siemens.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. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Interested to work with the experts of SEC Consult? Send us your application https://sec-consult.com/career/ Interested in improving your cyber security with the experts of SEC Consult? Contact our local offices https://sec-consult.com/contact/ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Mail: research at sec-consult dot com Web: https://www.sec-consult.com Blog: http://blog.sec-consult.com Twitter: https://twitter.com/sec_consult EOF A.Ovsyannikova / @2022