CVE-2018-3962 : Vulnerability Insights and Analysis

Foxit Software's Foxit PDF Reader version 9.1.0.5096 has a vulnerability in its JavaScript engine that can lead to remote code execution.

Understanding CVE-2018-3962

This CVE involves a use-after-free vulnerability in Foxit PDF Reader version 9.1.0.5096, allowing attackers to execute remote code.

What is CVE-2018-3962?

The vulnerability arises from accessing the CreationDate property of the this.info object in the JavaScript engine, requiring user interaction to open a malicious file.

The Impact of CVE-2018-3962

CVSS Base Score: 8 (High Severity)
Attack Vector: Network
Attack Complexity: Low
Privileges Required: Low
User Interaction: Required
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High

Technical Details of CVE-2018-3962

Foxit PDF Reader version 9.1.0.5096 is susceptible to remote code execution due to a use-after-free vulnerability.

Vulnerability Description

The vulnerability occurs when the CreationDate property of the this.info object is accessed, triggered by opening a malicious file or visiting a malicious website with the browser plugin extension enabled.

Affected Systems and Versions

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

Exploitation Mechanism

The vulnerability is exploited by tricking users into opening a malicious file or visiting a compromised website with the browser plugin extension enabled.

Mitigation and Prevention

To address CVE-2018-3962, follow these steps:

Immediate Steps to Take

Disable the browser plugin extension in Foxit PDF Reader.
Avoid opening files from untrusted or unknown sources.
Regularly update Foxit PDF Reader to the latest version.

Long-Term Security Practices

Educate users on safe browsing habits and file handling procedures.
Implement network security measures to detect and prevent malicious activities.

Patching and Updates

Apply patches and updates provided by Foxit to fix the vulnerability and enhance security.