Vendor : Invision Power Services

URL : http://www.invisionpower.com

Version : All Versions Up To v2.0 Alpha 3

Risk : SQL Injection Vulnerability

Description:

Invision Power Board (IPB) is a professional forum system that has been

built from the ground up with speed and security in mind, taking advantage

of object oriented code, highly-optimized SQL queries, and the fast PHP

engine. A comprehensive administration control panel is included to help

you keep your board running smoothly. Moderators will also enjoy the full

range of options available to them via built-in tools and moderators control

panel. Members will appreciate the ability to subscribe to topics, send

private messages, and perform a host of other options through the user

control panel. It is used by millions of people over the world.

Problem:

Invision Power Board is vulnerable to an SQL Injection Vulnerability. All

versions up to 2.0 Alpha 3 seem to be affected. Below is an example URL

to test if you are vulnerable.

/index.php?showforum=1&prune_day=100&sort_by=Z-A&sort_key=[Problem_is_he
re]

If you are vulnerable (you should be) you will see an error message similar

to the one posted below. The only requirement is to know a valid forum number

and to have read access to that forum (must be able to view it).

Begin Error Message

------------------------------

mySQL query error: SELECT * from ibf_topics WHERE forum_id=2 and approved=1

and (last_post > 0 OR pinned=1) ORDER BY pinned DESC, [Problem_is_here] DESC

LIMIT 0,15

mySQL error: You have an error in your SQL syntax near '[Problem_is_here]

DESC LIMIT 0,15' at line 1

mySQL error code:

Date: Saturday 13th of December 2003 01:25:30 AM

-------------------------------

Solution:

Invision Power Services have released a fix for this. You can view the forum post

http://forums.invisionpower.com/index.php?showtopic=106774&st=0&#entry76
2426

Or go straight to the download page.

http://www.invisionboard.com/download/index.php?act=dl&s=1&id=12&p=1

Credits:

Credits go to JeiAr of the GulfTech Security Research Team.

http://www.gulftech.org

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