Advantech WebAccess bwocxrun.ocx CreateProcess Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Advantech WebAccess. 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 bwocxrun.ocx. The control exposes a scriptable method ‘CreateProcess’. An attacker can exploit a flaw in the validation code within the method to execute arbitrary commands in the context of the browser.