BrutePrint uses two zero-day vulnerabilities in the smartphone fingerprint authentication framework to brute force fingerprints on smartphones to bypass user authentication and seize control of the devices.
Researchers have discovered an inexpensive attack technique called BrutePrint that can be leveraged to brute-force passwords and steal control of smartphones.
The approach, dubbed Brute Print, bypasses limits put in place to counter failed biometric authentication attempts by weaponizing two zero day vulnerabilities inthe smartphone’s fingerprint authentication system.
The flaws, called Cancel-After-Match-Fail (CAMF) and Match- After-Lock (MAL), leverage logical defects in the authentication framework.
The result is a hardware approach to do man-in-the-middle (MitM) attacks for fingerprint image hijacking, the researchers write.
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