TippingPoint Zero Day Initiative

Adobe Reader DC Collab shareFile Information Disclosure Vulnerability

ZDI-17-263: April 11th, 2017


CVSS Score

Affected Vendors

Affected Products

Vulnerability Details

This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Adobe Acrobat 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 Collab's shareFile function. The issue occurs when a PDF file is opened from the Cloud. The Collab.shareFile function does not properly check the file path, which results in reading arbitrary memory. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process.

Vendor Response

Adobe has issued an update to correct this vulnerability. More details can be found at:

Disclosure Timeline

    2017-01-13 - Vulnerability reported to vendor
    2017-04-11 - Coordinated public release of advisory


This vulnerability was discovered by:
    AbdulAziz Hariri - Trend Micro Zero Day Initiative