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Microsoft Visual Studio User Control Load Event Vulnerability
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Secunia Advisory:
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SA18409
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Release Date:
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2006-01-11
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Last Update:
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2006-08-04
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Popularity:
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14,517 views
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Critical:
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Less 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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Unpatched
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| Software: | Microsoft Visual C++ 6.x
Microsoft Visual Studio .NET 2002
Microsoft Visual Studio .NET 2003
Microsoft Visual Studio 2005
Microsoft Visual Studio 6 Enterprise
Microsoft Visual Studio 6 Professional
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| CVE reference: | CVE-2006-0187
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Description:
priestmaster has discovered a vulnerability in Microsoft Visual Studio, which can be exploited by malicious people to compromise a user's system.
The vulnerability is caused due to a design error that allows program code within the "Load" event of a user-defined control to be automatically executed when a project containing a form that uses the malicious control is opened. This can be exploited to execute arbitrary program code.
Successful exploitation requires that the user is e.g. tricked into opening a Solution file in a malicious Visual Studio project.
The vulnerability has been confirmed in Microsoft Visual C# 2005 Express Edition. Other versions may also be affected.
Note: It has also possible to modify Visual Studio's ".dsp" project files to include arbitrary post-build commands that are executed when the project is built.
Solution:
Do not open or build Visual Studio project files from untrusted sources.
Provided and/or discovered by:
priestmaster
Additional information by:
Donnie Werner, Exploitlabs
Changelog:
2006-01-17: Added link in "Original Advisory" section.
2006-01-18: Added link in "Original Advisory" section. Updated "Software", "Description" and credit sections.
2006-08-04: Added CVE reference.
Original Advisory:
Microsoft KB841189:
http://support.microsoft.com/kb/841189
Team Priestmasters Research Facility:
http://www.priestmaster.org/projects/advisories/vsadvisorie.txt
Exploitlabs:
http://exploitlabs.com/files/advisories/EXPL-A-2006-002-msvc-featurebug.txt
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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