CAT.NET New Build

by agrace 21. March 2009 11:57

CAT.NET The Microsoft Connected Information Security Group (CIGS) has released an updated build of the CAT.NET tool.

There are some bug fixes and the ability to export results to Excel included in this release and users are advised to upgrade:

http://bit.ly/bV8Lh


Note that this is the 32-bit version. 




Two new discussion forums have been announced by the CIGS team.

CAT.NET:

http://social.msdn.microsoft.com/Forums/en-US/catnet/threads/

Anti-XSS:

http://www.codeplex.com/AntiXSS/Thread/List.aspx



Using CAT.NET Code Analysis Tool

by agrace 22. February 2009 09:52

The Code Analysis Tool (CAT.NET) v1 CTP came out last December and I have been meaning to try it out. There is a 32-bit Visual Studio plug-in version available, although there appears to be some issues with it at this point in time. If you are running a 64-bit machine then you can grab a 64-bit command line version - this version does not suffer from the same limitations as the 32-bit version.

CAT.NET is a static, as opposed to runtime tool. It looks at the assemblies in your project and traces the information flow from start to finish. You then get a report of what it finds in XML and HTML format. I ran it on an application I developed and located two potential XSS vulnerabilities in a library I obtained from another vendor.

CAT.NET Code Analysis Tool

 

This is an incredibly simple tool to use and I cannot think of any excuse not to take a few moments to run it on an application prior to going live. Think of it as one extra layer of safety.

CAT.NET Code Analysis Tool Result

 

Currently, it check for the following vulnerabilities:

* Cross Site Scripting
* SQL Injection
* Process Command Injection
* File Canonicalization
* Exception Information
* LDAP Injection
* XPATH Injection
* Redirection to User Controlled Site

This tool and others, such as the Anti-Cross Site Scripting Library, are developed by the Connected Information Security Group (CIGS) at Microsoft. It's definitely worth your while to check out the CIGS Team blog.

Helpful Resources:

* Cross-Site Request Forgeries and You
* How to Prevent Cross-Site Scripting in ASP.NET
* How to Protect from Injection Attacks in ASP.NET

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