As per sources, a vulnerability in Ariane Systems' self-check-in systems, installed in thousands of hotels globally, allows bypassing kiosk mode, potentially exposing guests' personal information and room keys. These terminals, used for booking, checking in, handling payments, printing invoices, and provisioning RFID room keys, were found to be flawed by Pentagrid security researcher Martin Schobert in March 2024. Schobert discovered that entering a single quote in the reservations look-up screen caused the Ariane Allegro Scenario Player to hang. Touching the screen again brought up an option to end the process, exposing the Windows desktop and sensitive customer details. Despite multiple notifications, Ariane Systems has not provided a clear response regarding a firmware fix. The flaw could enable attackers to access PII, invoices, and potentially create room keys for other rooms by exploiting the RFID transponder functionality. These terminals, used mainly by small to medium-sized hotels to avoid 24/7 staffing costs, are installed in 3,000 hotels across 25 countries, serving over 500,000 rooms. Schobert's attempts to communicate with Ariane resulted in a vague response claiming the issues were fixed, but it remains unclear which software version addresses the problem or how many terminals are affected. Hotel operators using Ariane Systems' terminals are advised to isolate these machines from critical networks and contact the vendor to confirm they are running a secure version. Additionally, Schobert identified a similar flaw in an Ibis hotel terminal in April, revealing booking details with an input of six consecutive dashes.
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