TippingPoint Zero Day Initiative

Apple macOS ImageIO JPEG Parsing Integer Overflow Remote Code Execution Vulnerability

ZDI-17-188: March 28th, 2017


CVSS Score

Affected Vendors

Affected Products


TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 27157. For further product information on the TippingPoint IPS:

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Apple macOS. 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 JPEG files. The issue results from the lack of proper validation of user-supplied data which can result in an integer overflow before writing to memory. An attacker can leverage this vulnerability to execute code under the context of the current user.

Vendor Response

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

Disclosure Timeline

    2016-12-12 - Vulnerability reported to vendor
    2017-03-28 - Coordinated public release of advisory


This vulnerability was discovered by: