Rule

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Sid
15880

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Summary:
This event is generated when an attempt is made to exploit a known vulnerability in Internet Explorer.

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Impact:
Denial of Service. Information disclosure. Loss of integrity. 

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Detailed Information:
Internet Explorer allows remote attackers to bypass zone restrictions to inject and execute arbitrary programs by creating a popup window and inserting ActiveX object code with a "data" tag pointing to the malicious code, which Internet Explorer treats as HTML or Javascript, but later executes as an HTA application, a different vulnerability than CVE-2003-0532, and as exploited using the QHosts Trojan horse (aka Trojan.Qhosts, QHosts-1, VBS.QHOSTS, or aolfix.exe).

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Affected Systems:
Microsoft Internet Explorer 5.0.1
Microsoft Internet Explorer 5.0.1
Microsoft Internet Explorer 5.0.1
Microsoft Internet Explorer 5.5
Microsoft Internet Explorer 5.5
Microsoft Internet Explorer 6.0

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Attack Scenarios:


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Ease of Attack:
Medium.

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False Positives:
None known.

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False Negatives:
None known.

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Corrective Action:
Upgrade to the latest non-affected version of the software.

Apply the appropriate vendor supplied patches.

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Contributors:
Sourcefire Vulnerability Research Team
This document was generated from data supplied by the National Vulnerability Database. A product of the National Institute of Standards and Technology.
For more information see http://nvd.nist.gov/

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Additional References:

NIST CVE-2003-0838:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2003-0838
  
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