Advisory Details

November 1st, 2016

Adobe Reader DC FlateDecode Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

ZDI-16-574
ZDI-CAN-3838

CVE ID CVE-2016-6937
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 30598. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS


This vulnerability allows remote attackers to disclose 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 FlateDecode streams. A crafted FlateDecode stream can trigger a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process.

ADDITIONAL DETAILS Adobe has issued an update to correct this vulnerability. More details can be found at:
https://helpx.adobe.com/security/products/acrobat/apsb16-26.html
DISCLOSURE TIMELINE
  • 2016-06-23 - Vulnerability reported to vendor
  • 2016-11-01 - Coordinated public release of advisory
CREDIT Steven Seeley of Source Incite
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