An issue was discovered in Digital Persona U.are.U 4500 Fingerprint Reader v24. The key and salt used for obfuscating the fingerprint image exhibit cleartext when the fingerprint scanner device transfers a fingerprint image to the driver. An attacker who sniffs an encrypted fingerprint image can easily decrypt that image using the key and salt.
The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors.
Link | Tags |
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https://github.com/sungjungk/fp-scanner-hacking | third party advisory exploit |
https://www.youtube.com/watch?v=wEXJDyEOatM | third party advisory exploit |
https://www.youtube.com/watch?v=Grirez2xeas | third party advisory exploit |