Constructr CMS 3.03.0 Cross Site Scripting / SQL Injection

2011-03-11 / 2011-03-12
Risk: Medium
Local: No
Remote: Yes
CVE: N/A
CWE: CWE-79

Constructr CMS 3.03 Miltiple Remote Vulnerabilities (XSS/SQLi) Vendor: phaziz interface design Product web page: http://www.constructr-cms.org Affected version: 3.03.0 Summary: ConstructrCMS is a new and fresh Content Management System build with the Power of PHP and MySQL. The Backend is mostly controlled by Ajax for a unique User Experience. Desc: The CMS suffers from several vulnerabilities (SQL and XSS). The sql issue can be triggered when the app tries to parse malicious arguments to the 'page_id' in the /xmlOutput/constructrXmlOutput.content.xml.php script with user input not validated. The result can be seen in the source code of the page itself. The xss issue (GET) is thru 'user' and 'hash' parameter in the /backend/login.php script. ------------------------------------------------------------------- 32: $PAGE_ID = $_REQUEST['page_id']; ... 40: $select_content = $conContent -> query(" 41: SELECT * 42: FROM $DB_TABLE_CONSTRUCTR_CONTENT 43: WHERE page_id = '$PAGE_ID' 44: ORDER BY sort ASC 45: ")or die(mysql_error()); ... 51: while ($all_content = $conContent -> fetch_array($select_content)) 52: { 53: $id = $all_content['id']; 54: $page_id = $all_content['page_id']; ... ------------------------------------------------------------------- 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 Advisory ID: ZSL-2011-5001 Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2011-5001.php 10.03.2011 PoC: [SQL] http://constructr/xmlOutput/constructrXmlOutput.content.xml.php?page_id='[INJECT POINT];--";-- [XSS] http://constructr/backend/login.php?installed=101&no_user_rights=101&login_first_echo=101&already_logged_in=101&login_user_deactivated=101&login_failed=101&login_success=101&nosaltnpepper=101&user=101<script>alert(2)</script>&hash=101<script>alert(2)</script>

References:

http://www.zeroscience.mk/en/vulnerabilities/ZSL-2011-5001.php


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