Cybersecurity

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Undocumented backdoor found in Bluetooth chip used by a billion devices (www.bleepingcomputer.com)

submitted 1 day ago* (last edited 1 day ago) by neme@lemm.ee to c/cybersecurity@sh.itjust.works

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[–] homesweethomeMrL@lemmy.world 14 points 1 day ago

Tarlogic developed a new C-based USB Bluetooth driver that is hardware-independent and cross-platform, allowing direct access to the hardware without relying on OS-specific APIs.

Armed with this new tool, which enables raw access to Bluetooth traffic, Targolic discovered hidden vendor-specific commands (Opcode 0x3F) in the ESP32 Bluetooth firmware that allow low-level control over Bluetooth functions.

Badass.