Can you still trust your network card? - Agence nationale de la ...

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The vulnerability Instrumenting the card Instrumenting the card (1/2) How did we find out what happened? ◮ what is really crashing? ◮ how is it crashing? Using the NetXtreme specifications ◮ public specs available for open-source developers; ◮ describe the internal card behavior; ◮ give informations about RX RISC components. SGDSN/ANSSI – http://www.ssi.gouv.fr/trustnetworkcard 28/51
The vulnerability Instrumenting the card Instrumenting the card (2/2) How to debug the RX RISC? We need to: ◮ follow the execution flow; ◮ know registers contents; ◮ know why the CPU stops; ◮ trace data. We need a network card debugger. SGDSN/ANSSI – http://www.ssi.gouv.fr/trustnetworkcard 29/51
Page 1 and 2: Can you still trust your network ca
Page 3 and 4: Impacts on security If an attacker
Page 5 and 6: What won’t be described today Thi
Page 7 and 8: Network interface controller The Ne
Page 9 and 10: Network interface controller The Ne
Page 11 and 12: Remote administration protocols ASF
Page 17 and 18: Remote administration protocols RMC
Page 19 and 20: Remote administration protocols RMC
Page 21 and 22: Remote administration protocols Sum
Page 23 and 24: Protocol analysis Protocol security
Page 25 and 26: Protocol analysis Implementation pr
Page 27: The vulnerability Instrumenting the
Page 31 and 32: The vulnerability Instrumenting the
Page 37 and 38: The vulnerability Crash analysis Ch
Page 39 and 40: The vulnerability Crash analysis Ex
Page 41 and 42: The vulnerability Crash analysis St
Page 43 and 44: Real impact What can be done in the
Page 45 and 46: Real impact Controlling the host Us
Page 47 and 48: Real impact Controlling the host De
Page 49 and 50: Real impact Controlling the host Co
Page 51: Real impact Controlling the host Qu

Can you still trust your network card? - Agence nationale de la ...

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