Amlogic S905 SoC: bypassing the (not so) Secure Boot to dump the BootROM

Posted on Wed 05 October 2016 in Article • Tagged with vulnerability, amlogic, arm, security, firmware, trustzone, bootrom, bug

The Amlogic S905 System-On-Chip is an ARM processor designed for video applications. It's widely used in Android/Kodi media boxes. The SoC implements the TrustZone security extensions to run a Trusted Execution Environment (TEE) that enables DRM & other security features :

S905 block diagram
Amlogic S905 System Block Diagram

The SoC contains a Secure …

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