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From robe...@hdiv.org
Subject HDIV (Http Data Integrity Validator) 1.1 Released
Date Mon, 02 Apr 2007 17:39:05 GMT
Hi all,

HDIV project is an Apache-licensed Struts' Security extension that adds security
functionalities to Struts 1.x, maintaining the API and Struts specification.
This implies that we can use HDIV in applications developed in Struts in a
transparent way to the programmer and without adding any complexity to the
application development.

The security functionalities added to the original Struts version are these:

INTEGRITY: HDIV guarantees integrity (no data modification) of all the data
generated by the server which should not be modified by the client (links,
hidden fields, combo values, radio buttons, destiny pages, etc.).

CONFIDENTIALITY: HDIV guarantees the confidentiality of non editable data as
well. Usually lots of the data sent to the client has key information for the
attackers such as database registry identifiers, column or table names, web
directories, etc. All these values are hidden by HDIV to avoid a malicious use
of them. For example a link of this type, http://www.host.com?data1=12&data2=24
is replaced by http://www.host.com?data1=0&data2=1, guaranteeing confidentiality
of the values representing database identifiers.

New release includes a number of new features centered around cookies and
editable data validation:

- Cookie confidentiality and integrity validation.

- Editable data validation (textbox and textarea): HDIV eliminates to a large
extent the risk originated by attacks of type Cross-site scripting (XSS) and
SQL Injection using generic validations of the editable data (text and
textarea). The user will have to configurate generic validations through rules
in XML format, reducing or eliminating the risk against  attacks based on the
defined restrictions.

You can have a look at it at http://www.hdiv.org

In addition to that there is a quick introduction about HDIV using OWASP
top ten 2007 as reference at http://www.hdiv.org/docs/hdiv.ppt.

Regards,

Roberto Velasco Sarasola


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