Developers claim to have found a flaw that gives backdoor access to some Samsung Galaxy devices.

The developers of Replicant, a mobile OS based on Android, claim to have found a backdoor
vulnerability in a software component shipped with some Samsung Galaxy devices that
potentially provides remote access to users' private files through the device modem.

The problem is located in the proprietary library that handles communications between the
Android OS and the firmware running on the modem chipset, also known as the baseband or
radio processor.
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http://www.computerworld.com/s/article/9246929/Flaw_gives_backdoor_access_to_some_Samsung_Galaxy_devices?source=cwfb