TippingPoint Zero Day Initiative

Adobe Acrobat Pro DC iframe Same Origin Policy Bypass Information Disclosure Vulnerability

ZDI-17-927: November 21st, 2017


CVSS Score

Affected Vendors

Affected Products

    Acrobat Pro DC

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 28924. For further product information on the TippingPoint IPS:

Vulnerability Details

This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Adobe Acrobat Pro 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 conversion of HTML to PDF files. The issue results from the lack of proper validation of user-supplied data, which can result in bypassing the same origin policy. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary 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

    2017-06-22 - Vulnerability reported to vendor
    2017-11-21 - Coordinated public release of advisory


This vulnerability was discovered by:
    Steven Seeley (mr_me) of Offensive Security