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Microsoft MCIWNDX.OCX ActiveX Plugin Buffer Overflow
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Secunia Advisory:
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SA9534
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Release Date:
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2003-08-14
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Last Update:
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2006-03-23
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Critical:
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Highly critical
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Impact:
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System access
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | Microsoft Internet Explorer 5.01
Microsoft Internet Explorer 5.5
Microsoft Internet Explorer 6.x
Microsoft Visual Studio 6 Enterprise
Microsoft Visual Studio 6 Professional
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Description:
A vulnerability has been identified in a Microsoft ActiveX plugin called MCIWNDX.OCX, which possibly allows malicious HTML documents to execute arbitrary code on a vulnerable system.
The problem is that a property called "Filename" isn't properly verified allowing malicious websites or HTML emails to cause a buffer overflow by supplying an overly long string. This could potentially be exploited to execute arbitrary code on the system.
This plugin is part of Visual Studio version 6. However, since the plugin is digitally signed by Microsoft, it may be silently installed through Internet Explorer by any website.
Do you have this product installed on your home computer? Scan using the free Personal Software Inspector. Check if a vulnerable version is installed on computers in your corporate network, using the Network Software Inspector.
Solution:
Apply patches.
For details:
SA15368
Provided and/or discovered by:
Tri Huynh
Changelog:
2006-03-23: Updated "Solution" section.
Other References:
http://secunia.com/advisories/15368/
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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