[NT] Visual Studio Code Execution (Exploit)
- From: SecuriTeam <support@xxxxxxxxxxxxxx>
- Date: 11 Jan 2006 09:45:40 +0200
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Visual Studio Code Execution (Exploit)
------------------------------------------------------------------------
SUMMARY
Microsoft <http://msdn.microsoft.com/vstudio/> Visual Studio is "an
advanced integrated development environment by Microsoft. It lets
programmers create programs that run on Microsoft Windows and the World
Wide Web".
Microsoft Visual Studio has been designed to execute part of the user
provided code when it displays Form containing UserControls. The malicious
code will be executed automatically whenever the solution file is opened
in Visual Studio.
DETAILS
Vulnerable Systems:
* Visual Studio 2005
If a UserControl is added to a Form, Visual Studio will launch the code
inside UserControl_Load function automatically whenever the user decides
to view the main form where the UserControl is located. The execution
occurs with no warning, and doesn't require the viewer to compile or
execute the project.
Exploit:
<http://www.priestmaster.org/projects/exploits/vsexploit.zip>
http://www.priestmaster.org/projects/exploits/vsexploit.zip
Proof of concept:
Open vbexploit.sln file
Click on Form1.cs
If a user click on the solution file (vbexploit.sln) and the form1.cs is
shown, VS launch the code inside UserControl1_Load function. Place your
backdoor into this function (You can use the whole WIN-API and .NET
framework to code your back door). The default behavior for the example
file is show a Message Box and launch calc.exe.
ADDITIONAL INFORMATION
The information has been provided by <mailto:priest@xxxxxxxxxxxxxxxx>
priestmaster.
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