full-disclosure - file_exists() bypassing , critical problem ?

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From: m.esco at wp.pl (m.esco@...pl)
Subject: file_exists() bypassing , critical problem ?

> > There are various methods for securing file_exists() ...
> If you want to secure ... so that's unsecure , is'nt it ?

I didn't say that file_exists() is secure, did I?
>
> >I don't think that is critical problem.
> If it's not a problem Why you show us a methode to secure ?

I didn't say that it is not a problem but that it is not a critical problem.

> I think many programmers don't know this problem exists !
> But there is too much hypocresy in php community to admit this
> vulnerability.

This is not a PHP vulnerability but a PHP Script vulnerablity, and I am sure
that many php programmers are aware of security problems while using
file_exists().

> The article : http://www.zend.com/zend/art/art-oertli.php
> don't talk about this sorry...
>
What is the problem, very interesting article, old one but still very
interesting.

Best wishes,
Escobar