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Toshiba ConfigFree CF7 File Remote Command Execution



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| Toshiba ConfigFree CF7 File Remote Command Execution            |
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Summary
=======

There is a command execution vulnerability in the Toshiba ConfigFree 
CF7 file format used on Toshiba laptops to import and export network 
configurations. An attacker could execute arbitrary commands with the 
privileges of the current logged-in user by enticing a Toshiba laptop
user to download and execute a crafted CF7 file. 

CVE number: CVE-2012-4981
Impact: High
Vendor homepage: http://www.toshiba.co.uk/
Vendor notified: 13/07/2012
Vendor response: Toshiba does not recognise this as a security vulnerability
Credit: Joseph Sheridan of ReactionIS (http://www.reactionis.co.uk)

This advisory is posted at:

http://www.reactionpenetrationtesting.co.uk/configfree-command-exe.html


Affected Products
======== ========

Confirmed in latest Configfree version 8.0.38 on Windows 7 on a Toshiba 
Satellite R850. Other versions may also be affected.


Details
=======

The ârunAppâ field of the cf7 file can be manipulated to run arbitrary 
operating-system commands.

ConfigFree is the registered file handler for the cf7 filetype (CFProfile.exe 
at HKEY_CLASSES_ROOT\cf7_auto_file\shell\open\command) so if a victim could 
be convinced to download and apply a crafted cf7 file the commands in the runApp
field would be executed and could be used to take control of the machine.


Impact
======

if a victim could be convinced to download and apply a crafted cf7 file 
the commands in the runApp field would be executed and could be used to 
take control of the machine.


Solution
========

As no fix is available, concerned users could remove this utility from their 
machine.


Distribution
============

In addition to posting on the website, a text version of this notice has been 
posted to the following e-mail and Usenet news recipients.

* bugtraq () securityfocus com
* full-disclosure () lists grok org uk

Future updates of this advisory, if any, will be placed on the ReactionIS 
corporate website, but may or may not be actively announced on mailing lists 
or newsgroups. Users concerned about this problem are encouraged to check the 
URL below for any updates:

http://www.reactionpenetrationtesting.co.uk/configfree-command-exe.html

==============================================================================

Reaction Information Security 
Lombard House Business Centre,
Suite 117,
12-17 Upper Bridge Street,
Canterbury, Kent, CT1 2NF

Phone: +44 (0)1227 785050
Email: research () reactionis {dot} co {dot} uk
Web: http://www.reactionpenetrationtesting.co.uk


Joseph Sheridan
Director
CHECK Team Leader, CREST Infrastructure, CREST Application, CISSP
Tel: 07812052515
Web: www.reactionis.co.uk 
Email: joe@xxxxxxxxxxxxxxxx

Reaction Information Security Limited.
Registered in England No: 6929383
Registered Office: 1, The Mews, 69 New Dover Road, Canterbury, CT1 3DZ
 
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