In onStart of BiometricEnrollIntroduction.java, there is a possible way to determine the devices location due to an unsafe PendingIntent. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.
The Android application exports a component for use by other applications, but does not properly restrict which applications can launch the component or access the data it contains.
The attacks and consequences of improperly exporting a component may depend on the exported component: