This paper presents a newly discovered vulnerability in the Android Framework which breaks its sandbox environment. This vulnerability affects many Android applications including ones which are bundled with every Android device. The vulnerability has been patched in Android KitKat.
You can download it from the following link: https://packetstormsecurity.com/files/download/124379/android-collapses-into-fragments.pdf
Source: https://packetstormsecurity.com/files/124379/Android-Collapses-Into-Fragments.html