TippingPoint Zero Day Initiative

Adobe Flash URL Redirect Information Disclosure Vulnerability

ZDI-17-634: August 8th, 2017


CVSS Score

Affected Vendors

Affected Products

Vulnerability Details

This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Adobe Flash. 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 external resources. The issue lies in the failure to properly apply sandbox rules when following a URL redirect. An attacker can leverage this vulnerability to steal credentials under the context of the current user.

Vendor Response

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

Disclosure Timeline

    2017-05-04 - Vulnerability reported to vendor
    2017-08-08 - Coordinated public release of advisory


This vulnerability was discovered by:
    Björn Ruytenberg