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Friday, 08 August 2014 11:49

Snapdragon is an Android security flaw

Written by Nick Farrell



Unlocks the bootloader

Security researcher Dan Rosenberg has told a Black Hat conference how it is possible to permanently unlock the bootloader on Android phones – provided they use a Qualcomm Snapdragon chip.

Rosenberg said that the flaw is in ARM’s TrustZone technology, which runs a trusted operating system and another for normal apps. This is supposed to improve device security, but in Qualcomm’s implementation, they cocked it up. It means that if a hacker gets access to the trusted operation part of the chip, it can run whatever application he or she likes.

This affects all known Android devices with a Qualcomm Snapdragon SoC, including the Nexus 5, the HTC One, and Samsung’s Galaxy Note 3, as well as the Moto X. The Samsung Galaxy S5 and the HTC One M8 have already been patched.

Nick Farrell

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