Adobe Reader DC Forms Out-Of-Bounds Read Remote Code Execution Vulnerability

January 12th, 2016
ZDI-16-013 ZDI-CAN-3265

CVE ID

CVE-2016-0938

CVSS Score

6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected Vendors

Adobe

Affected Products

Acrobat Reader DC

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 AcroForm plugin. A specially crafted PDF file can force Adobe Reader DC to read memory past the end of an allocated object. An attacker could leverage this vulnerability to execute code under 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/apsb16-02.html

Disclosure Timeline

  • 2015-09-15 - Vulnerability reported to vendor
  • 2016-01-12 - Coordinated public release of advisory

Credit

Jaanus Kp
Clarified Security

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