Advisory Details

May 12th, 2015

Adobe Acrobat Reader indexOfNextEssential Javascript API Restrictions Bypass Vulnerability

ZDI-15-208
ZDI-CAN-2702

CVE ID CVE-2015-3060
CVSS SCORE 6.8, (AV:N/AC:M/Au:N/C:P/I:P/A:P)
AFFECTED VENDORS Adobe
AFFECTED PRODUCTS Reader
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 19415. 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 Reader. 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 indexOfNextEssential 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/reader/apsb15-10.html
DISCLOSURE TIMELINE
  • 2015-01-20 - Vulnerability reported to vendor
  • 2015-05-12 - Coordinated public release of advisory
CREDIT Simon Zuckerbraun - HP Zero Day Initiative
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