CVE-2018-3853: Use After Free

Published Jun 4, 2018

Updated

An exploitable use-after-free vulnerability exists in the JavaScript engine of Foxit Software Foxit PDF Reader version 9.0.1.1049. A specially crafted PDF document can trigger a previously freed object in memory to be reused resulting in arbitrary code execution. An attacker needs to trick the user to open the malicious file to trigger this vulnerability. If the browser plugin extension is enabled, visiting a malicious site can also trigger the vulnerability.

Affected Software

1 affected component

Foxitsoftware Foxit Reader=9.0.1.1049

Event History

Jun 4, 2018

CVE Published

via MITRE·08:00 PM

Data Sourced

via MITRE·08:00 PM

DescriptionSeverityWeakness

Frequently Asked Questions

What is the severity of CVE-2018-3853?

CVE-2018-3853 is considered a high severity vulnerability due to its potential for arbitrary code execution.

How do I fix CVE-2018-3853?

To fix CVE-2018-3853, users should upgrade Foxit PDF Reader to a version later than 9.0.1.1049.

What software is affected by CVE-2018-3853?

CVE-2018-3853 specifically affects Foxit Reader version 9.0.1.1049.

What type of vulnerability is CVE-2018-3853?

CVE-2018-3853 is classified as a use-after-free vulnerability in the JavaScript engine.

Can an attacker exploit CVE-2018-3853 without user interaction?

No, exploiting CVE-2018-3853 requires the attacker to trick the user into opening a specially crafted PDF document.