Replicant

h1. Samsung Galaxy Back-door

This page holds a technical description of the back-door found in Samsung Galaxy devices.

For a general description of the issue, please reefer to the following statement: 

*This back-door is present in most proprietary Android systems running on the affected Samsung Galaxy devices, including the ones that are shipped with the devices. However, when Replicant is installed on the device, this back-door is not effective: Replicant does not cooperate with back-doors.*

-> fact that it's not working on replicant, shipped by default

h2. Abstract

Samsung Galaxy devices running proprietary Android versions come with a back-door that gives remote access to the data stored on the device.

In particular, the proprietary software that is in charge of handling the communications with the modem implements a class of requests, known as RFS, that allows the modem to perform remote I/O operations on the phone's storage.

h2. Analysis

incriminated messages

disclaimer