In onAuthenticated of AuthenticationClient.java, there is a possible tapjacking attack when requesting the user's fingerprint due to an overlaid window. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android; Versions: Android-8.0, Android-8.1, Android-9, Android-10, 11; Android ID: A-159249069.
Published January 12, 2021.