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Date: Mon, 27 Aug 2007 11:01:23 -0400
From: iDefense Labs <>
Subject: iDefense Security Advisory 08.27.07: Motorola Timbuktu Pro Directory
 Traversal Vulnerability

Motorola Timbuktu Pro Directory Traversal Vulnerability

iDefense Security Advisory 08.27.07
Aug 27, 2007


Motorola Inc.'s Timbuktu Pro is a remote control software which allows
remote access to a computer's desktop. It is available for Mac OS X and
Windows systems and provides integration with Skype and SSH. More
information is available from the product web site at the following


Remote exploitation of a directory traversal vulnerability in Motorola
Inc.'s Timbuktu Pro allows attackers to delete or create files with
SYSTEM privileges.

When handling "Send" requests, Timbuktu does not properly check for
directory traversal specifiers. Therefore, by including a sequence such
as "../../../", an attacker is able to write outside of the intended
location. Additionally, if the file already exists, the file is created
with a new name. However, if the connection is broken before the
transfer completes, Timbuktu will delete the originally specified
file name instead of the new name.


Exploitation of this vulnerability could allow an attacker to gain
control over the affected machine.

Since the attacker can delete and create arbitrary files with SYSTEM
privileges, they are able to write to important system files such as
libraries, or start up files that will result in arbitrary code

It is important to note that the evaluation version used for testing
enables "Send" privileges by default for "Guest" users.


iDefense confirmed the existence of this vulnerability in version of Motorola Inc.'s Timbuktu Pro for Windows. Other versions,
including those for other operating systems are suspected to be


Removing the "Send" privilege from all Timbuktu Pro users will prevent
the vulnerability from being exploited.


Motorola Inc. has addressed this vulnerability by releasing version
8.6.5 of Timbuktu Pro for Windows. For more information, consult the
release notes at the following URL.


The Common Vulnerabilities and Exposures (CVE) project has assigned the
name CVE-2007-4220 to this issue. This is a candidate for inclusion in
the CVE list (, which standardizes names for
security problems.


05/15/2007  Initial vendor response
05/16/2007  Initial vendor notification
08/27/2007  Coordinated public disclosure


This vulnerability was reported to iDefense by Titon of BastardLabs.

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Copyright © 2007 iDefense, Inc.

Permission is granted for the redistribution of this alert
electronically. It may not be edited in any way without the express
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please e-mail for permission.

Disclaimer: The information in the advisory is believed to be accurate
at the time of publishing based on currently available information. Use
of the information constitutes acceptance for use in an AS IS condition.
 There are no warranties with regard to this information. Neither the
author nor the publisher accepts any liability for any direct,
indirect, or consequential loss or damage arising from use of, or
reliance on, this information.

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