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Fuzz your smartphone from 4G base station side - Tso-Jen Liu Derbycon 2018 (Hacking Illustrated Series InfoSec Tutorial Videos)

Fuzz your smartphone from 4G base station side
Tso-Jen Liu
Derbycon 2018

In this upcoming IoT world, more wireless transmission technique are used for IoT devices, such as WiFi, Bluetooth, ZigBee, Z-Wave, and cellular network (2G/3G/4G). We can fuzz the wireless transmission technique as well, but there are rare fuzzing tools, especially for cellular network. The most difficult part of fuzzing cellular network is building the cellular network environment, not make the corresponding fuzzer. In our representation, we will introduce how to build the 4G LTE environment yourself with limited budget. Afterward, we rewrited the 4G LTE base station and send the malformed LTE message to fuzz your smartphone. After our fuzz testing, we found the vulnerability which could cause your smartphone cannot work as normal and this vulnerability will affect the smartphone which use the specific Qualcomm CPU.

The search researcher and technology service director of Onward Security. Familiar with web security and fuzzing technique, loves to find the security vulnerabilities in different field, such as web application, cloud service, ICS/SCADA, mobile application, automotive and IoT device.

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