Comodo Firewall Pro (former Comodo Personal Firewall) stores some of its internal settings in the registry key HKLMSYSTEMSoftwareComodoPersonal Firewall. This key is protected by Comodo drivers such that other applications are not able to change the settings. This protection can be bypassed if very special conditions are met.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/54820/comodo-bypass.txt
Source: https://packetstormsecurity.com/files/54820/comodo-bypass.txt.html