Re: PHP taint support update
| From: | Arvids Godjuks | Date: | Fri, 25 Apr 2008 06:47:53 +0000 |
| Subject: | Re: PHP taint support update | ||
| References: | 1 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-37213@lists.php.net to get a copy of this message | ||
2008/4/24 Wietse Venema <wietse@porcupine.org>:
> FYI,
>
> Taint support for PHP 5.2.5 has been updated. The 20080423 version
> improves support for PCRE, and fixes a harmless read-after-free bug.
>
> The primary goal of this code is to help PHP application programmers
> find and eliminate opportunities for HTML script injection, SQL or
> shell code injection, or PHP control hijacking. It's off by default,
> but can be configured to produce warnings or to terminate execution.
>
> User-mode "make test" run-time overhead is 0.5-1.5%, as measured
> on two different CPUs with the same OS and the same PHP executables.
> The bench.php overhead is 2%, and presents a worst-case number for
> compute-bound PHP applications that spend their entire life iterating
> over tiny loops.
>
> For more info, you can find links off
> http://wiki.php.net/rfc/taint/
>
> I presented a talk this week to the NYPHP users group. You can find
> a copy of my slides at
> http://www.nyphp.org/content/presentations/
>
> Wietse
>
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>
>
I just can't express my feelings about this extension. It's just fantastic.
Can't wait untill it's going stable and added to PECL, I have code witch is
needed to be tested exactly with this extension :)