Advisory Details

May 10th, 2016

Adobe Acrobat Reader DC CBSharedReviewCloseDialog Javascript API Restrictions Bypass Vulnerability

CVE ID	CVE-2016-1039
CVSS SCORE	6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Adobe
AFFECTED PRODUCTS	Acrobat Reader DC
TREND MICRO CUSTOMER PROTECTION	Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['22630']. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS	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 CBSharedReviewCloseDialog 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.
ADDITIONAL DETAILS	Adobe has issued an update to correct this vulnerability. More details can be found at: https://helpx.adobe.com/security/products/acrobat/apsb16-14.html
DISCLOSURE TIMELINE	2015-12-01 - Vulnerability reported to vendor 2016-05-10 - Coordinated public release of advisory
CREDIT	Matthias Kaiser

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