cPanel – Modifyacct ACL Failures (R911-0139)

Type: ACL Failures
Location: Remote
Impact: Low
Product: cPanel
Website: http://www.cpanel.net
Vulnerable Version: All versions prior to the fixed builds below.
Fixed Version: 11.42.0.23, 11.40.1.13 & 11.38.2.23
CVE: -
R911: 0139
Date: 2014-03-31
By: Rack911

Product Description:

cPanel is an easy-to-use control panel that gives web hosts and the website owners they serve, the ability to quickly and easily manage their servers and websites. Web Host Manager (WHM) is a part of the cPanel software, often used by resellers and system administrators.

Vulnerability Description:

It is possible for a reseller to enable and/or disable certain features for their sub accounts that should not be available to them as they are intended for admins only.

Impact:

We have deemed this vulnerability to be rated as LOW due to the fact that no sensitive data can be obtained and this is more of a nuisance exploit than anything else.

Vulnerable Version:

This vulnerability was tested against cPanel 11.40.0 #19 and is believed to exist in all versions prior to the fixed builds below.

Fixed Version:

This vulnerability was patched in cPanel 11.42.0.23, 11.40.1.13 & 11.38.2.23.

Vendor Contact Timeline:

2013-12-25: Vendor contacted via email.
2014-02-05: Vendor confirms vulnerability.
2014-03-24: Vendor issues updates to all builds.
2014-03-31: Rack911 issues security advisory.