Hewlett-Packard POS Keyboard OPOS Drivers OPOSMSR.ocx Open Method Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Hewlett-Packard POS Keyboard OPOS Drivers. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the Open method in OPOSMSR.ocx. By supplying an overly long string to this method, an attacker can exploit this condition to achieve code execution under the context of the browser process.