Type: Privilege Escalation
Vulnerable Version: All versions prior to the fixed builds below.
Fixed Version: 184.108.40.206, 220.127.116.11 & 18.104.22.168
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.
It is possible for a reseller to take over any account on the server due to a privilege escalation security vulnerability within the wwwacct (new account) feature.
We have deemed this vulnerability to be rated as HIGH due to the fact that any cPanel account can be effectively taken over.
This vulnerability was tested against cPanel 11.40.0 #19 and is believed to exist in all versions prior to the fixed builds below.
This vulnerability was patched in cPanel 22.214.171.124, 126.96.36.199 & 188.8.131.52
Vendor Contact Timeline:
2013-12-25: Vendor contacted via email.
2014-01-08: Vendor confirms vulnerability.
2014-02-03: Vendor issues updates to all builds.
2014-02-05: Rack911 issues security advisory.