Secunia Research: Dell DellSystemLite.Scanner ActiveX Control "WMIAttributesOfInterest" Unsafe Property

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                     Secunia Research 18/02/2011

           - Dell DellSystemLite.Scanner ActiveX Control -
            - "WMIAttributesOfInterest" Unsafe Property -

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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 

* Dell DellSystemLite.Scanner ActiveX Control 1.0.0.0.

NOTE: Other versions may also be affected.

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2) Severity 

Rating: Less critical
Impact: Exposure of system information
Where:  Remote

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3) Vendor's Description of Software 

"Scan a computer to collect its Service Tag. Define which drivers and
utility software programs are appropriate for your product."

Product Link:
http://support.dell.com/

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4) Description of Vulnerability

Secunia Research has discovered a vulnerability in Dell 
DellSystemLite.Scanner ActiveX control, which can be exploited by
malicious people to disclose various system information.

The vulnerability is caused by the unsafe property 
"WMIAttributesOfInterest" allowing assignment of arbitrary WMI Query
Language (WQL) statements. This can be exploited to e.g. disclose 
system information like installed software.

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5) Solution 

Set the kill-bit for the affected ActiveX control.

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6) Time Table 

26/01/2011 - Requested security contact.
02/02/2011 - Requested security contact.
18/02/2011 - Public disclosure.

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7) Credits 

Discovered by Dmitriy Pletnev, Secunia Research.

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8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned
CVE-2011-0330 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/2011-11/

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

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