CVE-2018-3960 : What You Need to Know

A vulnerability has been discovered in Foxit Software's Foxit PDF Reader version 9.1.0.5096, specifically in its JavaScript engine, leading to a use-after-free condition.

Understanding CVE-2018-3960

This CVE involves a high-severity vulnerability in Foxit PDF Reader that could allow remote code execution.

What is CVE-2018-3960?

The vulnerability in Foxit PDF Reader version 9.1.0.5096 is related to a use-after-free condition triggered when accessing the Producer property of the this.info object.

The Impact of CVE-2018-3960

CVSS Base Score: 8 (High)
Attack Vector: Network
Attack Complexity: Low
Privileges Required: Low
User Interaction: Required
Confidentiality, Integrity, and Availability Impact: High
Scope: Unchanged
This vulnerability could lead to remote code execution if exploited.

Technical Details of CVE-2018-3960

Vulnerability Description

The vulnerability stems from a use-after-free condition in the JavaScript engine of Foxit PDF Reader.

Affected Systems and Versions

Affected Product: Foxit PDF Reader
Affected Version: Foxit Software Foxit PDF Reader 9.1.0.5096

Exploitation Mechanism

An attacker needs to deceive a user into opening a malicious file to exploit the vulnerability.
Enabling the browser's plugin extension could also trigger the vulnerability.

Mitigation and Prevention

Immediate Steps to Take

Update Foxit PDF Reader to the latest version.
Avoid opening files from untrusted or unknown sources.
Disable browser plugin extensions if not necessary.

Long-Term Security Practices

Regularly update software and applications to patch known vulnerabilities.
Educate users on safe browsing practices and the risks of opening unknown files.

Patching and Updates

Stay informed about security updates from Foxit and apply patches promptly.