Sensitive Iccid could be Sniffed by Intercepting ACTION_CONFIGURE_VOICEMAIL Implicit Intent in VoicemailSettingsFragment of Dialer

In onResume of VoicemailSettingsFragment.java, there is a possible way to retrieve a trackable identifier without permissions due to a missing permission check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.