CTF Writeup/BlockHarbor(2023)
Data Field1 (5pt)
g.s.song
2024. 10. 15. 11:17
Prob
CATEGORY : Getting Started
This challenge is within the Harborbay vehicle simulator on VSEC. From the home page, enter HarborBay. Select the Mach-E UDS Challenge Simulation, then launch the terminal.
How many bytes of data are in the data field of the CAN frame being sent periodically on the CAN interface?
Solve
a2a4325f48ae:~/uds_challenge$ candump vcan0
vcan0 59E [2] 9E 10
vcan0 59E [2] 9E 10
vcan0 59E [2] 9E 10
vcan0 59E [2] 9E 10
vcan0 59E [2] 9E 10
vcan0 59E [2] 9E 10
^Ca2a4325f48ae:~/uds_challenge$
FLAG : 2