MobiDeke Fuzzing the GSM Protocol Stack
MobiDeke: Fuzzing the GSM Protocol Stack
MobiDeke: Fuzzing the GSM Protocol Stack
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Introduction<strong>Fuzzing</strong> over-<strong>the</strong>-airThe <strong>MobiDeke</strong> FrameworkConclusion<strong>GSM</strong> layersLayers• Layer 3• Radio Ressource: Channel set up andtear-down• Mobility Management: User location...• Connection Management: Call (CC),SMS and o<strong>the</strong>r services• Layer 2• Fragmentation• Integrity check• Layer 1• Transfers data over <strong>the</strong> air interface• Uses GMSK modulation• F/TDMA for multiple accesses<strong>MobiDeke</strong>: <strong>Fuzzing</strong> <strong>the</strong> <strong>GSM</strong> <strong>Protocol</strong> <strong>Stack</strong> 11/38