Cleartext Key and Salt Vulnerability in Digital Persona U.are.U 4500 Fingerprint Reader v24

CVE-2019-12813 · MEDIUM Severity

AV:N/AC:M/AU:N/C:P/I:N/A:N

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.

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