Installation Path Disclosure Weakness in Joomla!

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Advisory ID:	HTB22915
Product:	Joomla!
Vendor:	Open Source Matters, Inc.
Vulnerable Versions:	1.6.1 and probably prior
Tested Version:	1.6.1
Advisory Publication:	March 24, 2011 [without technical details]
Vendor Notification:	March 24, 2011
Public Disclosure:	April 7, 2011
Latest Update:	December 20, 2011
Vulnerability Type:	Information Exposure Through Externally-generated Error Message [CWE-211]
Risk Level:	Medium

CVSSv2 Base Score:	5.0 (AV:N/AC:L/Au:N/C:P/I:N/A:N)
Solution Status:	Fixed by Vendor
Discovered and Provided:	High-Tech Bridge Security Research Lab
Advisory Details:
High-Tech Bridge SA Security Research Lab has discovered a weakness in Joomla! which could be exploited to gain access to potentially sensitive information. 1) Installation path disclosure weakness in Joomla! The weakness exists due to application reveals the full path to installation directory in an error message. A remote attacker can directly access the libraries/phpmailer/language/phpmailer.lang-joomla.php script and gain knowledge of the web root directory and other potentially sensitive information. Successful exploitation requires that php_display_errors variable is on. Exploitation examples: http://host/libraries/phpmailer/language/phpmailer.lang-joomla.php
How to Detect Information Exposure Through Externally-generated Error Message Vulnerabilities Website Security Test GDPR & PCI DSS Test Website CMS Security Test CSP & HTTP Headers Check WordPress & Drupal Scanning Try For Free Solution:
Upgrade to the latest Joomla! version (1.6.2 or later) More information available: http://developer.joomla.org/security/news/342-20110403-core-information-disclosure

References:
[1] High-Tech Bridge Advisory HTB22915 - https://www.immuniweb.com/advisory/HTB22915 - Installation Path Disclosure Weakness in Joomla! [2] Joomla! - www.joomla.org – Joomla! is a popular powerful content management system. [3] Common Weakness Enumeration (CWE) - http://cwe.mitre.org - targeted to developers and security practitioners, CWE is a formal list of software weakness types.

Previous Security Advisories with CWE-211:

HTB22909: Installation Path Disclosure weakness in Tine 2.0

HTB22904: Installation Path Disclosure Weakness in bbPress

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