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Installation Path Disclosure Weakness in bbPress

Advisory ID:HTB22904
Product:bbPress
Vendor:http://bbpress.org
Vulnerable Versions:1.0.3 and probably prior
Tested Version:1.0.3
Advisory Publication:March 15, 2011 [without technical details]
Vendor Notification:March 15, 2011
Public Disclosure:March 29, 2011
Latest Update:December 29, 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 bbPress which could be exploited to gain access to potentially sensitive information.

1) Installation path disclosure weakness in bbPress
The weakness exists due to application reveals the full path to installation directory in an error message. A remote attacker can directly access scripts within the bb-templates/kakumei/ directory 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]/bb-templates/kakumei/edit-form.php
http://[host]/bb-templates /kakumei/edit-post.php
http://[host]/bb-templates/kakumei/favorites.php
ht tp://[host]/bb-templates/kakumei/footer.php

How to Detect Information Exposure Through Externally-generated Error Message Vulnerabilities
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  • GDPR & PCI DSS Test
  • Website CMS Security Test
  • CSP & HTTP Headers Check
  • WordPress & Drupal Scanning
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Solution:
Upgrade to the most recent version.

More information:
http://bbpress.trac.wordpress.org/ticket/1705


References:
[1] High-Tech Bridge Advisory HTB22904 - https://www.immuniweb.com/advisory/HTB22904 - Installation Path Disclosure Weakness in bbPress
[2] bbPress - bbpress.org - bbPress is forum software with a twist from the creators of WordPress.
[3] 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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Please feel free to send us any additional information related to this Advisory, such as vulnerable versions, additional exploitation details and conditions, patches and other relevant details.
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