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Toshiba ConfigFree CF7 File Remote Command Execution

Toshiba ConfigFree CF7 File Remote Command Execution
Posted Sep 22, 2012
Authored by Joseph Sheridan | Site reactionpenetrationtesting.co.uk

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.

tags | advisory, arbitrary
advisories | CVE-2012-4981
MD5 | cd32f5f37f2c2bb1d0332d80e401825f

Toshiba ConfigFree CF7 File Remote Command Execution

Change Mirror Download
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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 ‘runApp’ 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@reactionis.co.uk

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

This email and any files transmitted with it are confidential and are intended solely for the use of the individual to whom they are addressed. If you are not the intended recipient please notify the sender. Any unauthorised dissemination or copying of this email or its attachments and any use or disclosure of any information contained in them, is strictly prohibited.

 Please consider the environment before printing this email


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