Advisory Details

May 10th, 2016

Adobe Acrobat Reader DC CBSharedReviewCloseDialog Javascript API Restrictions Bypass Vulnerability

ZDI-16-290
ZDI-CAN-3426

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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