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Installation Path Disclosure weakness in Tine 2.0

Advisory ID:HTB22909
Product:Tine 2.0
Vendor:Metaways Infosystems GmbH
Vulnerable Versions:Neele (2011-01-2) and probably prior
Tested Version:Neele (2011-01-2)
Advisory Publication:March 17, 2011 [without technical details]
Vendor Notification:March 17, 2011
Public Disclosure:March 31, 2011
Latest Update:March 23, 2011
Vulnerability Type:Information Exposure Through Externally-generated Error Message [CWE-211]
CVE Reference:CVE-2011-1666
Risk Level:Medium
CVSSv2 Base Score:4.3 (AV:N/AC:M/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 Tine 2.0 which could be exploited to gain access to potentially sensitive information.

1) Installation path disclosure weakness in Tine 2.0: CVE-2011-1666
The weakness exists due to application reveals the full path to installation directory in an error message. A remote attacker can directly access Crm/Controller.php, Crm/Export/Csv.php, or Calendar/Model/Attender.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/Crm/Controller.php
http://host/Crm/Export/Csv.php
http://host/ Calendar/Model/Attender. php

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Solution:
Upgrade to the most recent version


References:
[1] High-Tech Bridge Advisory HTB22909 - https://www.immuniweb.com/advisory/HTB22909 - Installation Path Disclosure weakness in Tine 2.0
[2] Tine 2.0 - tine20.org - Tine 2.0 is an open source project which combines groupware and CRM in one consistent interface.
[3] Common Vulnerabilities and Exposures (CVE) - http://cve.mitre.org/ - international in scope and free for public use, CVE® is a dictionary of publicly known information security vulnerabilities and exposures.
[4] Common Weakness Enumeration (CWE) - http://cwe.mitre.org - targeted to developers and security practitioners, CWE is a formal list of software weakness types.

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