Body Background
TrendAI™ Zero Day Initiative™ Logo

Apple macOS ModelIO ABC File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

August 5th, 2021

Vulnerability Details

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Apple macOS. Interaction with the ModelIO library is required to exploit this vulnerability but attack vectors may vary depending on the implementation.

The specific flaw exists within the ModelIO framework. Crafted data in an ABC file can trigger a read past the end of an allocated data structure. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process.

Additional Details

Apple has issued an update to correct this vulnerability. More details can be found at:
https://support.apple.com/en-us/HT212602

Disclosure Timeline

  • 2021-05-13 - Vulnerability reported to vendor
  • 2021-08-05 - Coordinated public release of advisory

Credit

Anonymous

Back to Advisories

Hero Background

Stand at the front line of proactive security

Trend ZDI connects the experts who discover, remediate, and defend.
Add your voice to the work that pushes attackers back.