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Message-ID: <20240820141123.2c05f8e9@syss.de> Date: Tue, 20 Aug 2024 14:11:23 +0200 From: Sebastian Hamann via Fulldisclosure <fulldisclosure@...lists.org> To: <fulldisclosure@...lists.org> Subject: [FD] [SYSS-2024-042] DiCal-RED - Exposure of Sensitive Information to an Unauthorized Actor -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Advisory ID: SYSS-2024-042 Product: DiCal-RED Manufacturer: Swissphone Wireless AG Affected Version(s): Unknown Tested Version(s): 4009 Vulnerability Type: Exposure of Sensitive Information to an Unauthorized Actor (CWE-200) Risk Level: Medium Solution Status: Open Manufacturer Notification: 2024-04-16 Solution Date: None Public Disclosure: 2024-08-20 CVE Reference: CVE-2024-36441 Author of Advisory: Sebastian Hamann, SySS GmbH ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Overview: DiCal-RED is a radio module for communication between emergency vehicles and control rooms. It provides Ethernet, Wi-Fi and cellular network connectivity and runs a Linux- and BusyBox-based operating system. The manufacturer describes the product as follows (see [1]): "The DiCal-Red radio data module reliably guides you to your destination. This is ensured by the linking of navigation (also for the transmission of position data) and various radio modules." Due to missing authentication checks, the device is vulnerable to the disclosure of sensitive information. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Vulnerability Details: The device provides a network server on TCP port 2101. This service does not seem to process any input, but it regularly sends data to connected clients. This includes operation messages when they are processed by the device. An unauthenticated attacker can therefore gain information about current emergency situations and possibly also emergency vehicle positions or routes. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Proof of Concept (PoC): $ telnet <IP or hostname> 2101 [Wait ...] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Solution: The manufacturer recommends not running the device in an untrusted network. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Disclosure Timeline: 2024-02-29: Vulnerability discovered 2024-04-16: Vulnerability reported to manufacturer 2024-05-10: Manufacturer states that the vulnerability will not be fixed 2024-05-14: Vulnerability reported to CERT-Bund 2024-08-13: CERT-Bund informs us that the vendor declared the product EOL 2024-08-20: Public disclosure of vulnerability ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ References: [1] Product website for DiCal-RED https://www.swissphone.com/solutions/components/terminals/radio-data-module-dical-red/ [2] SySS Security Advisory SYSS-2024-042 https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2024-042.txt [3] SySS Responsible Disclosure Policy https://www.syss.de/en/responsible-disclosure-policy ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Credits: This security vulnerability was found by Sebastian Hamann of SySS GmbH. E-Mail: sebastian.hamann@...s.de Public Key: https://www.syss.de/fileadmin/dokumente/PGPKeys/Sebastian_Hamann.asc Key ID: 0x9CE0E440429D8B96 Key Fingerprint: F643 DF21 62C4 7C53 7DB2 8BA1 9CE0 E440 429D 8B96 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Disclaimer: The information provided in this security advisory is provided "as is" and without warranty of any kind. Details of this security advisory may be updated in order to provide as accurate information as possible. The latest version of this security advisory is available on the SySS website. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Copyright: Creative Commons - Attribution (by) - Version 3.0 URL: http://creativecommons.org/licenses/by/3.0/deed.en -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE9kPfIWLEfFN9souhnODkQEKdi5YFAmbEQgQACgkQnODkQEKd i5ZG5RAAgQx1MolkOvk+4nbY4vXjd6bkqa+9e0v1vw8Yu+9Mmb7AhLqz9sHSpe/Y bSGnVJowj57irXIYAjuAjXnczRuRVFgOZY+CS3+8aIi0uJ/xuaJh7OSBY6WKDMG1 S9voYYQ0QJBWxRBX/e+isTKag+XAAG3rBM9/B8S/kQOMXk+ikId0/l4iLici6MEg QxRRVOKBgq55zMePg9s42R+M14r+QtMm/8DV6syleaJfYMj/mAq1YDfqVaJms60j N2zb6dhlbnaz0xODV9Pjss3X7VvOgiHXtXTCU2CGlYIupNXAtbr0O5MZPGzrjeES CrvTfn2SidvxWIJ8n9ldVdL9vImikOdZ5KWrZsaUIdVaSYumyyKNFuW4dbgsd206 wXU04AH82azCa9uGybCNQwjuvLLReN9H2/hZS865FIf9JD46qyV7fcSbu70kOmbb u8mljYWV5cLUEmURj/K9IgSKueyHlVk8hR+seYP7KgYA3zpegbiuaMabLetPgqOT j9eleo1AOeDeNqpVoBAwEA2qZ2N1LI2IfrA3ZTXWIO6qMU/r40551/3wd6TC7Fa4 rypR9+7J371kSRn/eLYTOOqrnlteFOdcEPQbz3r/5wUWmIuNgcR/ipzPrZKsvaPb oXqB3PkjDORrKfXpBtT6oHmv7C0wRhZJgbeIhk7IYyfl8lebLps= =zVD2 -----END PGP SIGNATURE----- _______________________________________________ Sent through the Full Disclosure mailing list https://nmap.org/mailman/listinfo/fulldisclosure Web Archives & RSS: https://seclists.org/fulldisclosure/
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