bugtraq - Secunia Research: Microsoft Windows Object Packager Dialog Spoofing

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Date: Wed, 11 Oct 2006 17:30:04 +0200
From: Secunia Research <remove-vuln@...unia.com>
To: vuln@...unia.com
Cc: bugtraq@...urityfocus.com
Subject: Secunia Research: Microsoft Windows Object Packager Dialog Spoofing

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

                     Secunia Research 11/10/2006

       - Microsoft Windows Object Packager Dialog Spoofing -

====================================================================== 
Table of Contents

Affected Software....................................................1
Severity.............................................................2
Description of Vulnerability.........................................3
Solution.............................................................4
Time Table...........................................................5
Credits..............................................................6
References...........................................................7
About Secunia........................................................8
Verification.........................................................9

====================================================================== 
1) Affected Software 

* Windows XP
* Windows 2003 Server

NOTE: Other versions may also be affected.

====================================================================== 
2) Severity 

Rating: Less critical
Impact: Spoofing
        System access
Where:  Remote

====================================================================== 
3) Description of Vulnerability

Secunia Research has discovered a vulnerability in Microsoft Windows,
which can be exploited by malicious people to conduct spoofing attacks.

The vulnerability is caused due to an input validation error in the
Object Packager (packager.exe) in the handling of the "Command Line"
property. This can be exploited to spoof the filename and the
associated file type in the Packager security dialog by including a "/"
slash character in the "Command Line" property.

Example:
cmd /c [shell command] /[file].txt

This can further be exploited to execute arbitrary shell commands on a
user's system by tricking a user into opening and interacting with e.g.
a malicious Rich Text document or Word document containing an embedded
Package object in e.g. WordPad. 

====================================================================== 
4) Solution 

Apply patches issued by Microsoft.

====================================================================== 
5) Time Table 

28/06/2006 - Vendor notified.
28/06/2006 - Vendor response.
11/09/2006 - Vendor contacted (status requested).
10/10/2006 - Vendor issues security bulletin MS06-065.
11/10/2006 - Public disclosure.

====================================================================== 
6) Credits 

Discovered by Andreas Sandblad, Secunia Research.

====================================================================== 
7) References

MS06-065:
http://www.microsoft.com/technet/security/Bulletin/MS06-065.mspx

The Common Vulnerabilities and Exposures (CVE) project has assigned 
CVE-2006-4692 for the vulnerability.

====================================================================== 
8) About Secunia

Secunia offers vulnerability management solutions to corporate
customers with verified and reliable vulnerability intelligence
relevant to their specific system configuration:

http://corporate.secunia.com/

Secunia also provides a publicly accessible and comprehensive advisory
database as a service to the security community and private 
individuals, who are interested in or concerned about IT-security.

http://secunia.com/

Secunia believes that it is important to support the community and to
do active vulnerability research in order to aid improving the 
security and reliability of software in general:

http://corporate.secunia.com/secunia_research/33/

Secunia regularly hires new skilled team members. Check the URL below to
see currently vacant positions:

http://secunia.com/secunia_vacancies/

Secunia offers a FREE mailing list called Secunia Security Advisories:

http://secunia.com/secunia_security_advisories/ 

====================================================================== 
9) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2006-54/

Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/

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