Exposed AIDL service allowing for tampering of system secure settings in Bluebird kiosk application

Bluebird devices contain a pre-loaded kiosk application. This application exposes an unsecured service provider "com.bluebird.kiosk.launcher.IpartnerKioskRemoteService". A local attacker can bind to the AIDL-type service to modify device's global settings and wallpaper image. This issue affects all versions before 1.1.2.