Title:

Simple Forum PHP 2.1 - SQL Injection Vulnerabilities

Date:

2012-06-10

References:

http://www.vulnerability-lab.com/get_content.php?id=599

VL-ID:

599

Common Vulnerability Scoring System:

7.5

Introduction:

Simple Forum PHP is a script that is very easy to install and administer.
Visitors to your forum will be able to post new topics as well as discuss and reply to other topics.
The administration section of the script was made for user simplicity. By utilizing menu items,
categories and features—anyone with little to no knowledge of websites or programming can easily get
their forum to function and look just like they want.
Simple Forum PHP features:

password protected admin area with multiple options and features that you can control
multiple language support
visual(css) style control in admin area
control the number of topics per page
option to approve topics/replies before having them posted
visitors are able to upload Icon(Avatar image) per each topics or reply
choose order (assending or descending) of replies
counter for the number of replies for each topic
views counter for each topic
option to receive email notices of new topics or replies that are posted
ability to send email approval notice to the forum user when posting a topic or reply
allowable HTML tags options for images, links, embeded vodeos etc...
option to choose the type of anti-spam code - reCaptcha, math captcha and simple captcha
breaking long(spam) words
ability to create a list of banned words which will prevent unwanted words from being posted
html and javascript injection prevent
RSS Feed with links to topics
simple and readable php source code
easy to place on your webpage - copy and paste a single line of code
we provide free email support for script installation and setup

Simple Forum PHP minimum requirements are: PHP and MySQL running on your web server. Current stable
version of Simple Forum PHP is 2.1 (May 19, 2012)

(Copy of the Vendor Homepage: http://www.simpleforumphp.com )

Abstract:

The Vulnerability Laboratory Research Team discovered multiple SQL Injection vulnerabilites in Simple Forum PHP v2.1 CMS.

Report-Timeline:

2012-06-10: Public or Non-Public Disclosure

Status:

Published

Exploitation-Technique:

Remote

Severity:

High

Details:

Multiple SQL Injection vulnerabilities are detected in Simple Forum PHP v2.1 Content Management System.
The vulnerability allows an attacker (remote) or local low privileged user account to inject/execute own sql commands
on the affected application dbms without user inter action. Successful exploitation of the vulnerability results in
dbms & application compromise. The vulnerabilities are located in the forum.php and admin.php files and bound parameters
orderType, orderBy, & p. The vulnerability in forum.php can be exploited by remote attackers without required user
inter action or privileged user account. A privileged user account is required to the exploit the sql bug in the admin.php.

Vulnerable File(s):
[+] forum.php
[+] admin.php

Vulnerable Parameter(s):
[+] orderType
[+] orderBy
[+] p

Proof of Concept:

The sql injection vulnerabilities can be exploited by remote attacker with and without privileged user account.
For demonstration or reproduce …

http://127.0.0.1/cms/forum.php?p=-1 [SQL-INJECTION]–
http://127.0.0.1/cms/forum.php?orderType=-1 [SQL-INJECTION]–
http://127.0.0.1/cms/forum.php?orderType=[ASC/DESC]&orderBy=-1 [SQL-INJECTION]–

http://127.0.0.1/cms/forum/admin.php?act=topics&orderType=-1 [SQL-INJECTION]–
http://127.0.0.1/cms/forum/admin.php?act=topics&orderType=[ASC/DESC]&search=&orderBy=-1 [SQL-INJECTION]–
http://127.0.0.1/cms/forum/admin.php?act=replies&topic_id=&orderType=-1 [SQL-INJECTION]–
http://127.0.0.1/cms/forum/admin.php?act=replies&topic_id=&orderType=[ASC/DESC]&search=&orderBy=-1 [SQL-INJECTION]–

Risk:

The security risk of the sql injection vulnerabilities are estimated as critical.

Credits:

Vulnerability Laboratory [Research Team] - snup ([email protected]) [http://snup1.blogspot.com]

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