ASP.Net Insufficient Session Timeout
Filed under: Development, Security, Testing
A common security concern found in ASP.Net applications is Insufficient Session Timeout. In this article, the focus is not on the ASP.Net session that is not effectively terminated, but rather the forms authentication cookie that is still valid after logout. How to Test User is currently logged into the application. User captures the ASPAuth cookie ...
F5 BigIP Decode with Fiddler
Filed under: Development, Testing
There are many tools out there that allow you to decode the F5 BigIP cookie used on some sites. I haven't seen anything that just plugs into Fiddler if you use that for debugging purposes. One of the reasons you may want to decode the F5 cookie is just that, debugging. ...
Static Analysis: Analyzing the Options
Filed under: Development, Security, Testing
When it comes to automated testing for applications there are two main types: Dynamic and Static. Dynamic scanning is where the scanner is analyzing the application in a running state. This method doesn't have access to the source code or the binary itself, but is able to see how things function during runtime. Static ...
A Pen Test is Coming!!
Filed under: Development, Security, Testing
You have been working hard to create the greatest app in the world. Ok, so maybe it is just a simple business application, but it is still important to you. You have put countless hours of hard work into creating this master piece. It looks awesome, and does everything that the business has asked for. ...
Future of ViewStateMac: What We Know
Filed under: Development, Security, Testing
The .Net Web Development and Tools Blog just recently posted some extra information about ASP.Net December 2013 Security Updates (http://blogs.msdn.com/b/webdev/archive/2013/12/10/asp-net-december-2013-security-updates.aspx). The most interesting thing to me was a note near the bottom of the page that states that the next version of ASP.Net will FORBID setting ViewStateMac=false. That is right.. They will ...
ViewStateUserKey: ViewStateMac Relationship
Filed under: Development, Security, Testing
I apologize for the delay as I recently spoke about this at the SANS Pen Test Summit in Washington D.C. but haven't had a chance to put it into a blog. While I was doing some research for my presentation on hacking ASP.Net applications I came across something very interesting that sort of blew ...
AntiSQLi: The New Black Magic
Filed under: Development, Security
As a Principal Security Consultant, I see too many sites that still have SQL Injection vulnerabilities. As a developer, I have spent years writing code and having a security background, I often wonder why we still have so many out there. Of course, we have issues like legacy code, which no one wants to touch. ...
Your Passwords Were Stolen: What’s Your Plan?
Filed under: Development, Security
If you have been glancing at many news stories this year, you have certainly seen the large number of data breaches that have occurred. Even just today, we are seeing reports that Drupal.org suffered from a breach (https://drupal.org/news/130529SecurityUpdate) that shows unauthorized access to hashed passwords, usernames, and email addresses. Note that this ...
ViewState: Still Mis-understood
Filed under: Development, Security
Here we are in 2013 and we are still having discussions about what ViewState is and how it works. For you MVC guys and gals, you are probably even wondering who is still using it. Although I do find it interesting that we have ViewState in Webforms but not in MVC even though MVC has ...
Hidden Treasures: Not So Hidden
Filed under: Development, Security, Testing
For years now, I have run into developers that believe that just because a request can’t be seen, it is not vulnerable to flaws. Wait, what are we talking about here? What do you mean by a request that can’t be seen? There are a few different ways that the user would not see a ...
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