Body Background
TrendAI™ Zero Day Initiative™ Logo

Foxit PDF Reader Doc Object Out-Of-Bounds Read Information Disclosure Vulnerability

August 5th, 2022

Vulnerability Details

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit PDF Reader. 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 Doc objects. By performing actions in JavaScript, an attacker can trigger a read past the end of an allocated object. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process.

Additional Details

Foxit has issued an update to correct this vulnerability. More details can be found at:
https://www.foxit.com/support/security-bulletins.html

Disclosure Timeline

  • 2022-05-26 - Vulnerability reported to vendor
  • 2022-08-05 - Coordinated public release of advisory

Credit

Suyue Guo and Wei You from Renmin University of China

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.