Adobe Acrobat Reader DC CBSharedReviewIfOfflineDialog Javascript API Restrictions Bypass Vulnerability

ID ZDI-15-503
Type zdi
Reporter Matt Molinyawe and Jasiel Spelman of HP Zero Day Initiative
Modified 2015-11-09T00:00:00


This vulnerability allows remote attackers to execute arbitrary code 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 CBSharedReviewIfOfflineDialog method. By creating a specially crafted PDF with specific Javascript instructions, it is possible to bypass the Javascript API restrictions. A remote attacker could exploit this vulnerability to execute arbitrary code.