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Message-ID: <PAVPR08MB9577019E544F96FF0DC3212389202@PAVPR08MB9577.eurprd08.prod.outlook.com> Date: Tue, 19 Nov 2024 10:09:04 +0000 From: Weber Thomas via Fulldisclosure <fulldisclosure@...lists.org> To: "fulldisclosure@...lists.org" <fulldisclosure@...lists.org> Cc: Thomas Weber <t.weber@...erdanube.com> Subject: [FD] St. Poelten UAS | Multiple Stored Cross-Site Scripting in SEH utnserver Pro St. Pölten UAS 20241118-0 ------------------------------------------------------------------------------- title| Multiple Stored Cross-Site Scripting product| SEH utnserver Pro vulnerable version| 20.1.22 fixed version| 20.1.35 CVE number| CVE-2024-11304 impact| High homepage| https://www.seh-technology.com/ found| 2024-05-24 by| P. Riedl, J. Springer, P. Chistè, D. Sagl, S. Vogt | These vulnerabilities were discovery during research at | St.Pölten UAS, supported and coordinated by CyberDanube. | | https://fhstp.ac.at | https://cyberdanube.com ------------------------------------------------------------------------------- Vendor description ------------------------------------------------------------------------------- "We are SEH from Bielefeld - manufacturer of high-quality network solutions. With over 35 years of experience in the fields of printing and networks, we offer our customers a broad and high-level expertise in solutions for all types of business environments." Source: https://www.seh-technology.com/us/company/about-us.html Vulnerable versions ------------------------------------------------------------------------------- utnserver Pro / 20.1.22 utnserver ProMAX / 20.1.22 INU-100 / 20.1.22 Vulnerability overview ------------------------------------------------------------------------------- 1) Multiple Stored Cross-Site Scripting (CVE-2024-11304) Different settings on the web interface of the device can be abused to store JavaScript code and execute it in the context of a user's browser. Proof of Concept ------------------------------------------------------------------------------- 1) Multiple Stored Cross-Site Scripting (CVE-2024-11304) The following snippet can be used to demonstrate, that stored cross-site scripting is possible in multiple locations on the device: "><script>alert(document.location)</script> Examples are: * Users password: "usrMg_pwd" This can be displayed in cleartext and executed in the device configuration. * Certificate options: "Common name", "Organization name", "Locality name" This can be executed in the certificate information. * Device description: "Host name", "Contact person", "Description" This can be executed in "Device -> Description". * USB password via uploading a crafted "_parameters.txt" file: "usbMdg_pwd" This can be executed in the "Maintenance -> Content View" tab. Saving this text to the device description leads to a persistent cross-site scripting. Therefore, everyone who openes the device description executes the injected code in the context of the own browser. The vulnerabilities were manually verified on an emulated device by using the MEDUSA scalable firmware runtime (https://medusa.cyberdanube.com). Solution ------------------------------------------------------------------------------- Install firmware version 20.1.35 to fix the vulnerabilities. Workaround ------------------------------------------------------------------------------- None Recommendation ------------------------------------------------------------------------------- CyberDanube recommends SEH Computertechnik customers to upgrade the firmware to the latest version available. Contact Timeline ------------------------------------------------------------------------------- 2024-09-23: Contacting SEH Computertechnik and sent advisory to support. Support answered, that vulnerabilities are fixed in version 20.1.35. 2024-10-21: Closed the issue and scheduled publication for November. 2024-11-18: Coordinated disclosure of advisory. Web: https://www.fhstp.ac.at/ Twitter: https://x.com/fh_stpoelten Mail: mis@...tp.ac.at EOF T. Weber / @2024 _______________________________________________ Sent through the Full Disclosure mailing list https://nmap.org/mailman/listinfo/fulldisclosure Web Archives & RSS: https://seclists.org/fulldisclosure/
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