CVE-2018-3957 : Vulnerability Insights and Analysis

Foxit Software's Foxit PDF Reader version 9.1.0.5096 has a vulnerability in its JavaScript engine, leading to a use-after-free condition when accessing the Keywords property of the this.info object. This flaw can be exploited by tricking users into opening malicious files or visiting compromised websites.

Understanding CVE-2018-3957

This CVE entry details a critical vulnerability in Foxit PDF Reader version 9.1.0.5096.

What is CVE-2018-3957?

The vulnerability in Foxit PDF Reader version 9.1.0.5096 allows attackers to execute remote code by exploiting a use-after-free condition in the JavaScript engine.

The Impact of CVE-2018-3957

The vulnerability has a CVSS base score of 8 (High severity) with a high impact on confidentiality, integrity, and availability. Attackers can exploit this issue with low privileges required and user interaction.

Technical Details of CVE-2018-3957

Foxit PDF Reader version 9.1.0.5096 vulnerability details.

Vulnerability Description

The vulnerability is a use-after-free issue in the JavaScript engine of Foxit PDF Reader.
It occurs when accessing the Keywords property of the this.info object.

Affected Systems and Versions

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

Exploitation Mechanism

Attackers exploit the vulnerability by tricking users into opening malicious files or visiting compromised websites.

Mitigation and Prevention

Steps to address and prevent the CVE-2018-3957 vulnerability.

Immediate Steps to Take

Disable the browser plugin extension if not essential.
Be cautious when opening PDF files from untrusted 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 block malicious activities.

Patching and Updates

Apply security patches provided by Foxit promptly to address the vulnerability.