HTB22915: Path disclosure in Joomla

[advisory@xxxxxxxxxxx]

Vulnerability ID: HTB22915
Reference: http://www.htbridge.ch/advisory/path_disclosure_in_joomla.html
Product: Joomla
Vendor: http://www.joomla.org/ ( http://www.joomla.org/ ) 
Vulnerable Version: 1.6.1
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 
"/libraries/phpmailer/language/phpmailer.lang-joomla.php" script, 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/libraries/phpmailer/language/phpmailer.lang-joomla.php


Result:

Fatal error: Class 'JText' not found in 
/path/joomla/libraries/phpmailer/language/phpmailer.lang-joomla.php on line 9