Advisory Details

October 11th, 2016

Adobe Reader DC PRC Out-Of-Bounds Read Information Disclosure Vulnerability

ZDI-16-564
ZDI-CAN-3724

CVE ID CVE-2016-6940
CVSS SCORE 4.3, AV:N/AC:M/Au:N/C:P/I:N/A:N
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 ['24595']. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS


This vulnerability allows an attacker to leak sensitive information 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 handling of PRC files. The issue lies in the failure to validate PRC files embedded in PDF documents. An attacker can leverage this vulnerability to disclose the contents of adjacent memory.

ADDITIONAL DETAILS Adobe has issued an update to correct this vulnerability. More details can be found at:
https://helpx.adobe.com/security/products/acrobat/apsb16-33.html
DISCLOSURE TIMELINE
  • 2016-04-28 - Vulnerability reported to vendor
  • 2016-10-11 - Coordinated public release of advisory
CREDIT kdot
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