How To: Use CAT.NET 2.0 Beta

Syed Aslam Basha here. I am a tester on the Information Security Tools Team responsible for testing CAT.NET. You can download the current Beta of CAT.NET 2.0 from https://connect.microsoft.com/site734/Downloads/DownloadDetails.aspx?DownloadID=26086&wa=wsignin1.0 * You must have Visual studio 2010 Beta 2 for this tool to work. There are known issues if you have previous issues installed so please…

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The CAT.NET 2.0 Configuration Analysis Engine

Maqbool Malik here… One of the most significant update to CAT.NET in v2.0 is the addition of a configuration engine. The goal of the engine is to identify insecure configuration at all layers of the application (configuration files, code level configuration, etc.) which should be remediated prior to deployment on a production environment. The engine…

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How to Configure WPL v1.0 SRE

RV here… With the release of Web Protection Library v1.0 (WPL) Security Runtime Engine (SRE) has been significantly updated. It now includes a SQL Injection Detection module which can detect certain attack vectors. It also include re-designed configuration editor which enables you to easily configure SRE. The following easy steps let you configure your application…

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Web Protection Library – CTP Release Coming Soon

RV here… Over the last couple of months we have been actively developing the next version of Anti-XSS library and Security Runtime Engine (SRE). We have added new mitigations that go way beyond the original Cross Site Scripting (XSS) protections of the Anti-XSS Library hence the change in name to the Web Protection Library or…

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Anti-XSS Library v3.1 Released!

The Microsoft Information Security Tools (IST) team has released the latest Microsoft Anti-Cross Site Scripting (Anti-XSS) Library version 3.1.  Read more about Anti-XSS v3.1 on the Information Security blog and watch the video, “Anti-XSS 3.0 Released,” as Vineet Batta and Anil Revuru (RV), Senior Software Developers from the Microsoft Information Security Tools (IST), provide an…

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HTML Sanitization in Anti-XSS Library

RV here… For a while now, I have been talking about various types of encodings and how they protect web applications from cross site scripting attacks. In most cases input is simply passed through AntiXss.HtmlEncode or similar methods to transform it into safely displayable HTML entities. In some cases you as a developer would like…

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Encoding Cascading Style Sheet Strings

RV here… Cascading Style Sheets provide developers ways to change the UI theme of a website and this provides many opportunities for malicious users to change the UI if the application uses dynamic data inside style tags or in HTML style attributes. Additionally keywords like expression can be used to run java script resulting in…

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LDAP Injection and Mitigation

RV here… The Lightweight Directory Access Protocol (LDAP) API provides a mechanism for connecting to, searching, and modifying internet directories. A LDAP (Lightweight Directory Access Protocol) injection attack exploits vulnerabilities in input validation to run arbitrary LDAP statements against information directories. It can occur when your application uses input to construct dynamic LDAP statements to…

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Anti-XSS Library 3.0 RTM

RV here… Anti-XSS library 3.0 is now RTM!!! MSDN download center is updated with the new binaries. Here is a overview of the changes in 3.0 release. New features in this version of the Microsoft Anti-Cross Site Scripting Library include: An expanded white list that supports more languages Performance improvements Performance data sheets (in the…

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