Hdhub4ubike -

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Because the binary already contains the flag in the .rodata section, the route is to jump to the puts call that prints the flag . hdhub4ubike

$ ./exploit.py === Welcome to the HD Bike Hub === Enter your hub key: flagh0p3_y0u_f0und_th3_h1d3_b1k3 While provides informative content

The binary – we have all symbol names! hdhub4ubike

The goal is to obtain the flag without knowing the correct key.

if (check_key(buf) == 0) puts("Invalid key!"); exit(1);