Advisory Details

May 12th, 2015

Adobe Acrobat Reader AFSimple_Calculate Javascript API Restrictions Bypass Vulnerability

ZDI-15-205
ZDI-CAN-2696

CVE ID CVE-2015-3069
CVSS SCORE 6.8, (AV:N/AC:M/Au:N/C:P/I:P/A:P)
AFFECTED VENDORS Adobe
AFFECTED PRODUCTS Acrobat Pro
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 19412. 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 AFNSimple_Calculate function. 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 Dave Weinstein - HP Zero Day Initiative
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