Banana Dance Wiki CMS b2.x - Multiple Web Vulnerabilities

[Vulnerability Lab <research () vulnerability-lab com>]

Document Title:
===============
Banana Dance Wiki CMS b2.x - Multiple Web Vulnerabilities


References (Source):
====================
http://www.vulnerability-lab.com/get_content.php?id=1407


Release Date:
=============
2015-01-16


Vulnerability Laboratory ID (VL-ID):
====================================
1407


Common Vulnerability Scoring System:
====================================
8.1


Product & Service 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 Advisory Information:
==============================
An independent vulnerability laboratory researcher discovered multiple web vulnerabilities in the official Banana Dance 
Wiki b v2.x Content Management System.


Vulnerability Disclosure Timeline:
==================================
2015-01-16: Public Disclosure (Vulnerability Laboratory)


Discovery Status:
=================
Published


Affected Product(s):
====================

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


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


Technical Details & Description:
================================
1.1
A sql injection web vulnerability has been discovered in the official Lazarus Guestbook v1.22 content management system.
The vulnerability allows an attacker to inject sql commands by usage of a vulnerable value to compromise the 
application dbms.

The sql injection web vulnerability is located in the `db_prefix` value of the `inserts.php` files. Remote attackers 
and local low privileged user accounts are 
able to inject own sql commands by usage of vulnerable `db_prefix` value in the insert POST method request. A 
successful attack requires 
to manipulate a POST method request with vulnerable `db_prefix` value. The injection is a classic order-by sql 
injection web vulnerability.

The security risk of the sql injection vulnerability is estimated as high with a cvss (common vulnerability scoring 
system) count of 8.1.
Exploitation of the application-side web vulnerability requires no privileged web-application user account and no user 
interaction.
Successful exploitation of the security vulnerability results in content management system compromise and database 
management system compromise.

Request Method(s):
                                [+] POST

Vulnerable Module(s):
                                [+] Insert

Vulnerable Files(s):
                                [+] inserts.php

Vulnerable Parameter(s):
                                [+] db_prefix


1.2
A local file include web vulnerability has been discovered in the official iFileExplorer v6.51 iOS mobile 
web-application.
The local file include web vulnerability allows remote attackers to unauthorized include local file/path requests or 
system specific 
path commands to compromise the mobile web-application.

The vulnerability is located in the `path` value of the mysql module in the `tables.php` file. Local attackers are able 
to manipulate 
the `path` value of the `mysql/tables.php` file. The execution of unauthorized local file or path request occurs in the 
same path 
location of the tables.php file.The request method to inject is POST and the attack vector is located on the 
application-side of 
the affected content management system.

The security risk of the local file include web vulnerability is estimated as high with a cvss (common vulnerability 
scoring system) count of 7.3. 
Exploitation of the local file include web vulnerability requires no user interaction and a low privileged 
web-application user account. 
Successful exploitation of the local file include web vulnerability results in content management system compromise and 
database management system compromise.

Vulnerable Method(s):
                                [+] [POST]

Vulnerable File(s):
                                [+] /mysql/tables.php

Vulnerable Module(s):
                                [+] /mysql/

Vulnerable Parameter(s):
                                [+] path

Affected Module(s):
                                [+] /setup/mysql/tables.php


Proof of Concept (PoC):
=======================
1.1 SQL Injection
The sql injection vulnerability can be exploited by remote attackers without privileged application user account and 
user interaction.
For security demonstration or to reproduce the vulnerability follow the provided information and steps below to 
continue.

Vulnerable Source:

$q11 = mysql_query("  INSERT INTO `" . $_POST['db_prefix'] . "users`
(`id`, `username`, `password`, `salt`, `email`, `name`, `options`,
`type`, `ip`, `joined`,

`last_updated`, `upvoted`, `downvoted`) VALUES  (1, '" .
addslashes($_POST['username']) . "', '" . $encode_pass . "', '" .
$salt . "', '" . addslashes($_POST['email']) . "',

'Master Administrator', '', 1, '" . $_SERVER['REMOTE_ADDR'] . "', '" .
$date . "', '" . $date . "', 0, 0);  ");  // inserts.php

Note: Execution of the sql command occurs after usage of a send POST method request with the "db_prefix" and payload


1.2 File Inclusion
The local file include vulnerability can be exploited by remote attackers with low privileged application user account 
and without user interaction.
For security demonstration or to reproduce the vulnerability follow the provided information and steps below to 
continue.

Vulnerable File(s): /setup/complete.php

Vulnerable Source:
$mysql1 = $_POST['path'] . "/setup/mysql/tables.php";
require $mysql1;  // tables.php

Note: Execution of the payload occurs after the send POST method request called the vulnerable `path` that includes

PoC: /../../../file/we/want/to/include.php%00setup/mysql/tables.php


Security Risk:
==============
1.1
The security risk of the sql injection web vulnerability in the `db_prefix` is estimated as critical.

1.2
The security risk of the local file include web vulnerability in the path value is estimated as high.


Credits & Authors:
==================
Paulos Yibelo (paulosyibelo.com)


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