FYI:
http://blog.php-security.org/archives/92-CORE-GRASP-PHP-Tainted-Mode.html
"Unfortunately, Stefan also mentions two big issues it might have from
the get-go: the overhead for the memory needed can slow things down
and an incorrect parsing in their query handler could lead to
injection attacks."
Serg
On 23/08/07, Ezequiel Gutesman <egutesman_at_coresecurity.com> wrote:
> CORE GRASP for PHP is a web-application protection software aimed at
> detecting and blocking injection vulnerabilities and privacy violations.
> As mentioned during its presentation at Black Hat USA 2007, GRASP is
> being released as open source under the Apache 2.0 license and can be
> obtained from http://gasp.coresecurity.com/.
>
> The present implementation protects PHP 5.2.3 against SQL-injection
> attacks for the MySQL engine, it can be installed with almost the same
> effort as the PHP engine, both in Unix and Windows systems, and
> protection is immediate with any PHP web application running in the
> protected server.
>
> CORE GRASP works by enhancing the PHP execution engine (VM) to permit
> byte-level taint tracking and analysis for all the user-controlled or
> otherwise untrustable variables of the web application. Tainted bytes
> are then tracked and their taint marks propagated throughout the web
> application's runtime. Whenever the web application tries to interact
> with an DB backend using SQL statements that contain tainted bytes,
> GRASP analyzes the statment and detects and prevents attacks or abnormal
> actions.
>
> CORE GRASP was developed by CoreLabs, the research unit of Core Security
> Technologies. At CoreLabs, we plan to improve the tool and include new
> protections shortly. However, the invitation to collaborate with the
> project is open. If you would like to collaborate, please go to the
> GRASP website and subscribe to our mailing list.
>
> Project home: http://grasp.coresecurity.com/
> Documentation, presentation and papers:
> http://grasp.coresecurity.com/index.php?m=doc
> Download: http://grasp.coresecurity.com/index.php?m=dld
>
>
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--
Serg
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Sponsored by: Watchfire
The Twelve Most Common Application-level Hack Attacks
Hackers continue to add billions to the cost of doing business online
despite security executives' efforts to prevent malicious attacks. This
whitepaper identifies the most common methods of attacks that we have seen,
and outlines a guideline for developing secure web applications.
Download today!
https://www.watchfire.com/securearea/whitepapers.aspx?id=701500000008rSe
--------------------------------------------------------------------------
Received on Aug 22 2007
Intro
