Secunia Research: GIGABYTE Dldrv2 ActiveX Control Array Indexing Vulnerability

[Secunia Research <remove-vuln@xxxxxxxxxxx>]

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                     Secunia Research 15/07/2010

   - GIGABYTE Dldrv2 ActiveX Control Array Indexing Vulnerability -

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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

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1) Affected Software 

* GIGABYTE Dldrv2 ActiveX Control 1.4.206.11

NOTE: Other versions may also be affected.

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2) Severity 

Rating: Highly critical
Impact: System compromise
Where:  Remote

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3) Vendor's Description of Software 

"GIGABYTE's Download Center allows you to quickly download and update 
your BIOS as well as the latest system drivers.".

Product Link:
http://download.gigabyte.com.tw/

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4) Description of Vulnerability

Secunia Research has discovered a vulnerability in GIGABYTE Dldrv2 
ActiveX Control, which can be exploited by malicious people to 
compromise a user's system.

The vulnerability is caused by missing input validation of the "item"
argument passed to the "SetDLInfo()" method and can be exploited via 
array-indexing errors to corrupt memory.

Successful exploitation allows execution of arbitrary code.

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5) Solution 

Set the kill-bit for the ActiveX control.

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6) Time Table 

18/06/2010 - Vendor notified.
29/06/2010 - Vendor response.
15/07/2010 - Public disclosure.

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7) Credits 

Discovered by Carsten Eiram, Secunia Research.

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8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned 
CVE-2010-1518 for the vulnerability.

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9) About Secunia

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10) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2010-86/

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

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