Body Background
TrendAI™ Zero Day Initiative™ Logo

Foxit Reader Revision Number Use-After-Free Remote Code Execution Vulnerability

March 23rd, 2016

Vulnerability Details


This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit 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 an object's revision number. A specially crafted object with a specific revision number in a PDF file can force a dangling pointer to be reused after it has been freed. An attacker could leverage this vulnerability to execute arbitrary code under 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.foxitsoftware.com/support/security-bulletins.php


Resolved with Foxit Reader 7.3.4


Disclosure Timeline

  • 2016-02-16 - Vulnerability reported to vendor
  • 2016-03-23 - Coordinated public release of advisory

Credit

Mario Gomes(@NetFuzzer)

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.