Advisory Details

October 13th, 2015

Adobe Acrobat Reader DC CBBBRInit Javascript API Restrictions Bypass Vulnerability

CVE ID	CVE-2015-6710
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 ['20540']. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS	This vulnerability allows remote attackers to bypass API restrictions on vulnerable installations of Adobe Acrobat 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 CBBBRInit 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/apsb15-24.html
DISCLOSURE TIMELINE	2015-07-20 - Vulnerability reported to vendor 2015-10-13 - Coordinated public release of advisory
CREDIT	AbdulAziz Hariri - HP Zero Day Initiative

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