Category:OWASP CSRFGuard Project

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OWASP CSRFGuard
Welcome to the home of the OWASP CSRFGuard Project! OWASP CSRFGuard is a library that implements a variant of the synchronizer token pattern to mitigate the risk of Cross-Site Request Forgery (CSRF) attacks.

Introduction
The OWASP CSRFGuard library is integrated through the use of a JavaEE Filter and exposes various automated and manual ways to integrate per-session or pseudo-per-request tokens into HTML.

Description
When a user interacts with this HTML, CSRF prevention tokens (i.e. cryptographically random synchronizer tokens) are submitted with the corresponding HTTP request. It is the responsibility of OWASP CSRFGuard to ensure the token is present and is valid for the current HTTP request. Any attempt to submit a request to a protected resource without the correct corresponding token is viewed as a CSRF attack in progress and is discarded. Prior to discarding the request, CSRFGuard can be configured to take one or more actions such as logging aspects of the request and redirecting the user to a landing page. The latest release enhances this strategy to support the optional verification of HTTP requests submitted using Ajax as well as the optional verification of referrer headers.



What is CSRFGuard?
OWASP CSRFGuard provides:


 * A library that implements a variant of the synchronizer token pattern to mitigate the risk of Cross-Site Request Forgery (CSRF) attacks.
 * A JavaEE Filter and exposes various automated and manual ways to integrate per-session or pseudo-per-request tokens into HTML.

Licensing
The CSRFGuard project is run by Azzeddine RAMRAMI. He can be contacted at azzeddine.ramrami AT owasp.org. CSRFGuard distributions are currently maintained on GitHub.


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Presentation
Link to presentation

Project Leader
The CSRFGuard project is run by Azzeddine RAMRAMI. He can be contacted at azzeddine.ramrami AT owasp.org.

Related Projects

 * OWASP CSRFTester - utility to assist in the testing and generating PoC for CSRF attacks.
 * OWASP CSRF Prevention Cheat Sheet - provides a more holistic overview of CSRF prevention strategies and associated frameworks.
 * http://www.owasp.org/index.php/PHP_CSRF_Guard - project implementing CSRFGuard style solution for PHP.
 * http://www.thespanner.co.uk/2007/10/19/jsck/ - project implementing CSRFGuard style solution for PHP and JavaScript.
 * http://www.owasp.org/index.php/.Net_CSRF_Guard - project implementing CSRFGuard style solution for ASP.NET.


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Quick Download
Download and build the latest source code from GitHub :


 * https://github.com/aramrami/OWASP-CSRFGuard

Download and build the latest source code from GitHub - https://github.com/aramrami/OWASP-CSRFGuard

Deprecated Releases - article containing several download references to deprecated and officially unsupported releases

User Manual(s)
OWASP CSRFGuard v3 - series of articles describing the installation, configuration, and deployment of OWASP CSRFGuard v3.

News and Events

 * [08 Fev 2014] A security fix has been published. See details on GitHub
 * [10 Feb 2014] Release 3.1 of CSRFGuard project is now available for download

In Print
This project can be purchased as a print on demand book from Lulu.com

Classifications

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=FAQs=

Here a complete CSRF attacks FAQ:


 * http://www.cgisecurity.com/csrf-faq.html

= Acknowledgements =

Volunteers
CSRFGuard is developed by a worldwide team of volunteers. The primary contributors to date have been:


 * Ahamed Nafeez, Security Engineer.
 * Christa Erwin, Security, Programmer/Analyst.

Others

 * Eric Sheridan was the original designer of CSRFGuard until 3.0 version.

= Road Map and Getting Involved =

As of CSRFGuard the priorities are:
 * Address any security vulnerabilities around javascript prototype hijacking
 * Support for Internet Explorer
 * Addressing outstanding issues listed in GitHub
 * Support for Multi-part requests
 * Add support for the 'Origin' header

Involvement in the development and promotion of CSRFGurd is actively encouraged! You do not have to be a security expert in order to contribute. Some of the ways you can help:
 * Make fix to the actual version
 * Propose a security enhcement
 * Write a complete Architecture Folder for CSRFGurd
 * Add an IA engine to detect unknown attacks.

=Contact US= You can sign up for the OWASP CSRFGuard email list at https://lists.owasp.org/mailman/listinfo/owasp-csrfguard