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Date: Thu, 17 Feb 2011 15:59:40 -0500
From: Valdis.Kletnieks@...edu
To: Michele Orru <antisnatchor@...il.com>
Cc: full-disclosure@...ts.grok.org.uk, "Zach C." <fxchip@...il.com>
Subject: Re: Vulnerability in reCAPTCHA for Drupal

On Thu, 17 Feb 2011 21:39:49 +0100, Michele Orru said:

> I mean, every Drupal user knows that the default path to register a new 
> user is user/register,
> or that the default admin account is reachable at user/1, or that the 
> contact form is at the contact URI.

Yes, but that's the *URL PATH*.  What's the full path *on the filesystem*?
Is it /opt/drupal/user/register?  Or did they stick it in /usr/local/drupal?
Or somewhere else?  This actually matters if you're trying to do
a tree traversal exploit like ../../../path/to/drupal/install/ - or if
you *thought* you had configured your system so it wouldn't leak full
pathnames so skiddies couldn't abuse tree traversal exploits.

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