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BananaDance Wiki b2.2 Cross Site Scripting / SQL Injection

BananaDance Wiki b2.2 Cross Site Scripting / SQL Injection
Posted Nov 12, 2012
Authored by Katharina S.L., Vulnerability Laboratory | Site vulnerability-lab.com

BananaDance Wiki version b2.2 suffers from cross site scripting and remote SQL injection vulnerabilities.

tags | exploit, remote, vulnerability, xss, sql injection
SHA-256 | 37ff3df19e6aaf91a7a828f64ebd039105f5fd56742cdbfbcbec3d46a36a9fc0

BananaDance Wiki b2.2 Cross Site Scripting / SQL Injection

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Title:
======
BananaDance Wiki b2.2 - Multiple Web Vulnerabilities


Date:
=====
2012-11-10


References:
===========
http://www.vulnerability-lab.com/get_content.php?id=745


VL-ID:
=====
745


Common Vulnerability Scoring System:
====================================
7.1


Introduction:
=============
Banana Dance is an open-source PHP/MySQL-based program. It is designed to combine the simplicity of wiki-publishing
software with the versatility of a CMS. The program also promotes community-building through organized and
user-rated commenting features. Highly flexible with theme-integration and extension availability Banana Dance
can be used for all types of purposes, whether it be to create an entire website, a product owner`s manual, or
an `article`-posting site.

(Copy of the Vendor Homepage: http://www.bananadance.org )


Abstract:
=========
The vulnerability Laboratory Research Team discovered multiple web vulnerabilities in the official BananaDance Wiki b2.2 CMS.


Report-Timeline:
================
2012-11-10: Public or Non-Public Disclosure


Status:
========
Published


Exploitation-Technique:
=======================
Remote


Severity:
=========
High


Details:
========
1.1
A SQL Injection vulnerability is detected in the BananaDance Wiki B2.2 Content Management System.
The vulnerability allows an attacker (remote) or local privileged moderator/admin user account to execute own
SQL commands on the affected application dbms. The sql injection vulnerability is located in user management module
with the bound vulnerable alpha listing parameter. Successful exploitation of the vulnerability results in dbms &
application compromise. Exploitation requires no user interaction & without privileged user account.

Vulnerable Module(s):
[+] User Management

Vulnerable Parameter(s):
[+] alpha


1.2
Multiple persistent input validation vulnerabilities are detected in the BananaDance Wiki B2.2 Content Management System.
The bugs allow remote attackers to implement/inject malicious script code on the application side (persistent) of the vulnerable module.
The persistent vulnerabilities are located in the user, banned user, badge module listing with the bound vulnerable username and email parameters.
Successful exploitation of the vulnerability can lead to session hijacking (manager/admin) or stable (persistent) context manipulation.
Exploitation requires low user inter action (view listing) & a registered low privileged web application user account.

Vulnerable Module(s):
[+] Add User - Listing
[+] Banned User - Listing
[+] Badges - Listing

Vulnerable Parameter(s):
[+] Username & Email (Profil)


Proof of Concept:
=================
1.1
The sql injection vulnerability can be exploited by local privileged user accounts and moderators.
For demonstration or reproduce ...

PoC:
<html>
<head><body>
<title>BananaDance Wiki b2.2 - SQL Vulnerability</title>
<iframe src=http://bananadance-wiki.127.0.0.1:1339/admin/index.php?l=users&alpha=A'-1 [SQL-INJECTION!]-- width="1000" height="800">
<iframe src=http://bananadance-wiki.127.0.0.1:1339/admin/index.php?l=users&alpha=M'-1 [SQL-INJECTION!]-- width="1000" height="800">
<iframe src=http://bananadance-wiki.127.0.0.1:1339/admin/index.php?l=users&alpha=K'-1 [SQL-INJECTION!]-- width="1000" height="800">
</body></head>
<html>


1.2
The persistent input validation vulnerabilities can be exploited by remote attacker with low privileged application user account and
low required user inter action. For demonstration or reproduce ...

Review: Add (Existing) User - Listing

<tr id="19">
<td valign="top"><center><img src="imgs/status-on.png" id="status19" alt="Active" title="Active" border="0" height="16" width="16"></center></td>
<td valign="top"><a href="index.php?l=users_edit&id=19">"><[PERSISTENT EXECUTION OF INJECTED SCRIPT CODE!];)" <<="" a=""></td>
<td valign="top">2012-06-20</td>
<td valign="top"><span style="">ESTANDAR</span></td>
<td valign="top">0</td>
<td valign="top">0</td>
<td valign="top">0</td>
<td valign="top"><a href="#" onClick="deleteID('bd_users','19');return false;">
<img src="imgs/icon-delete.png" border="0" alt="Delete" title="Delete" /></a></td>
</tr>

URL(s):
http://bananadance-wiki.127.0.0.1:1339/admin/index.php?l=users > http://bananadance-wiki.127.0.0.1:1339/admin/index.php?l=users_add


Risk:
=====
1.1
The security risk of the local sql injection vulnerability is estimated as medium(+) because of the required moderator account.

1.2
The security risk of the persistent input validation vulnerabilities are estimated as high.


Credits:
========
Vulnerability Laboratory [Research Team] - Kathrin SL (katha@vulnerability-lab.com)


Disclaimer:
===========
The information provided in this advisory is provided as it is without any warranty. Vulnerability-Lab disclaims all warranties,
either expressed or implied, including the warranties of merchantability and capability for a particular purpose. Vulnerability-
Lab or its suppliers are not liable in any case of damage, including direct, indirect, incidental, consequential loss of business
profits or special damages, even if Vulnerability-Lab or its suppliers have been advised of the possibility of such damages. Some
states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation
may not apply. We do not approve or encourage anybody to break any vendor licenses, policies, deface websites, hack into databases
or trade with fraud/stolen material.

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Any modified copy or reproduction, including partially usages, of this file requires authorization from Vulnerability Laboratory.
Permission to electronically redistribute this alert in its unmodified form is granted. All other rights, including the use of other
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Copyright © 2012 | Vulnerability Laboratory



--
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LABORATORY RESEARCH TEAM
CONTACT: research@vulnerability-lab.com

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