Adobe Reader DC JavaScript CBSharedReviewCompleteAutomation JavaScript API Restrictions Bypass Vulnerability

This vulnerability allows remote attackers to bypass JavaScript API restrictions on vulnerable installations of Adobe Reader DC. 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 CBSharedReviewCompleteAutomation method. By creating a specially crafted PDF with specific Javascript instructions, it is possible to bypass the Javascript API restrictions. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process.