HTB22918: Path disclosure in phpCollab

Vulnerability ID: HTB22918
Reference: http://www.htbridge.ch/advisory/path_disclosure_in_phpcollab.html
Product: phpCollab
Vendor: phpCollab Team ( http://www.php-collab.org/ )
Vulnerable Version: 2.5 and probably prior versions
Vendor Notification: 24 March 2011
Vulnerability Type: Path disclosure
Risk level: Low
Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/)

Vulnerability Details:
The vulnerability exists due to failure in the "projects_site/login.php", "general/error.php", "includes/vcard.class.php" scripts, it's possible to generate an error that will reveal the full path of the script.
A remote user can determine the full path to the web root directory and other potentially sensitive information.

The following PoC is available:

http://host/projects_site/login.php
http://host/general/error.php
http://host/includes/vcard.class.php