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Secunia Research: Creative Software AutoUpdate Engine 2 ActiveX Control Buffer Overflow

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

                     Secunia Research 11/06/2010

                         - Creative Software -
        - AutoUpdate Engine 2 ActiveX Control Buffer Overflow -

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

Affected Software....................................................1
Severity.............................................................2
Vendor's Description of Software.....................................3
Description of Vulnerability.........................................4
Solution.............................................................5
Time Table...........................................................6
Credits..............................................................7
References...........................................................8
About Secunia........................................................9
Verification........................................................10

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

* Creative Software AutoUpdate Engine ActiveX Control 2.0.12.0 as
  bundled with Creative Software AutoUpdate 1.40.01.

NOTE: Other versions may also be affected.

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

Rating: Highly critical
Impact: System compromise
Where:  Remote

====================================================================== 
3) Vendor's Description of Software 

"Creative Software Autoupdate detects Creative products and software 
installed on your PC and determines whether your PC contains the 
latest versions of Creative software and drivers.".

Product Link:
http://www.creative.com/support/downloads/su.asp

====================================================================== 
4) Description of Vulnerability

Secunia Research has discovered a vulnerability in Creative Software 
AutoUpdate Engine 2 ActiveX control, which can be exploited by 
malicious people to compromise a user's system.

The vulnerability is caused by a boundary error in a callback 
function used when handling the "BrowseFolder()" method. This can be 
exploited to cause a stack-based buffer overflow via an overly long 
string argument.

Successful exploitation allows execution of arbitrary code.

====================================================================== 
5) Solution 

Set the kill-bit for the affected ActiveX control.

The vulnerability is reportedly fixed in an upcoming version 2.0.13.

====================================================================== 
6) Time Table 

26/03/2010 - Vendor contacted to obtain security contact details.
29/03/2010 - Vendor response with details on security contact.
29/03/2010 - Vulnerability report sent to security contact (along with
             references to SA30403 and SA26800).
07/04/2010 - Vendor response (requesting additional details).
07/04/2010 - Additional details provided.
08/04/2010 - Vendor response (fix expected within 2-3 days).
16/04/2010 - Status update requested.
16/04/2010 - Vendor response (build ready and now preparing 
             deployment strategy).
24/05/2010 - Status update requested.
31/05/2010 - Status update requested (2nd attempt).
01/06/2010 - Vendor response (still verifying deployment method).
04/06/2010 - Vendor response (fixes are deployed early next week).
04/06/2010 - Vendor informed that the Secunia advisory is scheduled 
             for Wednesday 9th June 2010. Asked the vendor for 
             version information on fixes.
09/06/2010 - Vendor response (information on fixed versions). Noticed 
             that the vulnerable versions are still available.
10/06/2010 - Vulnerable versions still available instead of the fixed
             versions. Vendor informed that the advisory will go out
             on Friday 11th June 2010.
11/06/2010 - Public disclosure.

====================================================================== 
7) Credits 

Discovered by Carsten Eiram, Secunia Research.

====================================================================== 
8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned 
CVE-2010-0990 for the vulnerability.

====================================================================== 
9) About Secunia

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http://secunia.com/advisories/business_solutions/

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Secunia believes that it is important to support the community and to
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Secunia offers a FREE mailing list called Secunia Security Advisories:

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====================================================================== 
10) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2010-52/

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

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