CVE-2018-3942 : Vulnerability Insights and Analysis

Foxit Software's PDF Reader version 9.1.0.5096 is vulnerable to a use-after-free issue in its JavaScript engine, allowing remote code execution.

Understanding CVE-2018-3942

Foxit PDF Reader version 9.1.0.5096 contains a critical vulnerability that can be exploited by an attacker to execute arbitrary code.

What is CVE-2018-3942?

This CVE refers to a vulnerability in Foxit Software's PDF Reader version 9.1.0.5096 that enables an attacker to trigger arbitrary code execution by exploiting a use-after-free condition in the JavaScript engine.

The Impact of CVE-2018-3942

The vulnerability has a CVSS base score of 8 (High severity) with high impacts on confidentiality, integrity, and availability. An attacker can craft a malicious PDF document to exploit this issue and execute code on the victim's system.

Technical Details of CVE-2018-3942

Foxit PDF Reader version 9.1.0.5096 is susceptible to remote code execution due to the following:

Vulnerability Description

The vulnerability lies in the JavaScript engine of the PDF Reader.
Exploiting a use-after-free condition allows an attacker to execute arbitrary code.

Affected Systems and Versions

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

Exploitation Mechanism

An attacker must trick the user into opening a specially crafted PDF file to trigger the vulnerability.

Mitigation and Prevention

To address CVE-2018-3942, consider the following steps:

Immediate Steps to Take

Update Foxit PDF Reader to a patched version.
Be cautious when opening PDF files from untrusted sources.

Long-Term Security Practices

Regularly update software and security patches.
Educate users on safe browsing habits and file handling practices.

Patching and Updates

Apply security updates provided by Foxit Software to mitigate the vulnerability.