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AirPods fast connect security vulnerability
: There’s a security vulnerability (CVE-2024-27867) in the firmware of Apple AirPods. Anyone who knows the Bluetooth MAC address (which is somewhat public) can connect to your AirPods and listen to the microphone or play music.
Some very important ones: The AirPods forget to check the security level of the connection, i.e. “ did the other side actually authenticate itself and turn on encryption? Once connected, an attacker can do everything a legitimate device can do, listen to the microphone, play music, see and pause the music that is currently playing from another connected device, or do various things the AAP protocol can do (like changing settings, crashing the AirPods by sending badly formatted messages, and a lot more things I haven’t looked into). I’d like to give a special thanks to Jiska Classen from University of Potsdam for helping with a bunch of Bluetooth questions and tips about the disclosure process.
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