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Author Topic: RVSiteBuilder - Content Disclosure (Root Access) Vulnerability  (Read 823 times)

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Offline Kailash

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Type: Content Disclosure (Root Access)
Impact: High
Product: RVSiteBuilder
Website: http://www.rvsitebuilder.com
Vulnerable Version: 5.0.31
Fixed Version: 5.0.33
CVE: -
Date: 2013-06-24
Reported By: http://www.rack911.com

Product Description:

RVSiteBuilder is browser based sitebuilding software that installs directly into cPanel. Its easy-to-follow workflow, social media plugins, and robust content management features makes it easy for even non-programmers to create, market, and maintain a high-end web presence.

Vulnerability Description:

There is a flaw within a certain RVSiteBuilder file that is accessible to resellers that allows an attacker to read any file on the server regardless of ownership when using a hardlink to the target file.

Note: This flaw is allowed to exist because of a fundamental security failure within WHM that executes all plugins as root.

Proof of Concept:

Due to the nature of this vulnerability we will not be disclosing the exploit until a later date.


We have deemed this vulnerability to be rated as HIGH due to the fact that any file can be viewed regardless of ownership, including root files such as /etc/shadow.

Vulnerable Version:

This vulnerability was tested against RVSiteBuilder v5.0.31 and is believed to exist in all prior versions.

Fixed Version:

This vulnerability was patched in RVSiteBuilder v5.0.33.

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