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Date: Mon Oct 17 21:55:34 2005
From: slythers at (peter MC tachatte)
Subject: PHP Safedir Restriction Bypass Vulnerabilities

There is a vulnerability (Safedir Restriction Bypass) identified within the
GD extension affecting
the following functions:
- imagegif()
- imagepng()
- imagejpeg()

in /ext/gd/gd.c line 1647

Which is now fixed in the cvs

with an image like
$im = imagecreatefromgif("file.gif");
imagegif($im, '/var/www/');

curl openbasedir and safemode bypass.


$ch = curl_init("


echo $file;

As you notice, we can bypass the safedir which leads to access to any
files on any shared servers.

This is fixed in the cvs.
greets: david coallier <>
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