by

Webroot disclosure on Webbler CMS

Vulnerability found:

14 June 2007

Severity level:

Low

Credits:

Adrian Pastor of ProCheckUp. ProCheckUp thanks Tincan for fixing this vulnerability so promptly.

Description:

Sites that are generated/managed through Webbler CMS disclose the webroot within HTML

comments. i.e.:
<!-- /var/webbler_cache/www.target-domain.com/13697/index.php--><!-- lid: -->

Consequences

A remote attacker could recover information with regards to the target site's directory

structure.
This kind of information can be useful for attackers in certain scenarios. i.e.: when

attempting to exploit file retrieval vulnerabilities.

Note

The version number is usually included within 'meta' HTML tags and 'X-Powered-By'

HTTP response headers. i.e. -
<meta name="generator" content="webbler 3.1.3 - http://tincan.co.uk/webbler" />
X-Powered-By: webbler version 3.1.3

Successfully tested on

Server environment -

Webbler CMS 3.1.3

PHP 5.1.6

Apache web server (unknown version)

Client environment -

Microsoft Internet Explorer 7.0.5730.11
How to fix:This issue has been fixed on version version 3.1.6.
References:http://tincan.co.uk/webbler

http://tincan.co.uk/?lid=1975

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