CVE-2018-3945 : What You Need to Know

A vulnerability in Foxit Software's Foxit PDF Reader version 9.1.0.5096 allows for remote code execution by exploiting a memory object reuse when opening a malicious PDF document.

Understanding CVE-2018-3945

This CVE involves a critical vulnerability in Foxit PDF Reader that can lead to arbitrary code execution.

What is CVE-2018-3945?

An exploitable use-after-free vulnerability in the JavaScript engine of Foxit PDF Reader version 9.1.0.5096 allows attackers to execute arbitrary code by tricking users into opening a specially crafted PDF file.

The Impact of CVE-2018-3945

CVSS Base Score: 8 (High)
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-2018-3945

This section provides more in-depth technical information about the vulnerability.

Vulnerability Description

The vulnerability involves reusing a freed object in memory when a malicious PDF document is opened, leading to the execution of arbitrary code.

Affected Systems and Versions

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

Exploitation Mechanism

To exploit this vulnerability, an attacker must deceive the user into opening a specially crafted PDF file.

Mitigation and Prevention

Protecting systems from CVE-2018-3945 requires immediate actions and long-term security practices.

Immediate Steps to Take

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

Long-Term Security Practices

Regularly update software and applications to patch known vulnerabilities.
Educate users about the risks of opening files from unknown or suspicious sources.

Patching and Updates

Ensure that Foxit PDF Reader is regularly updated to the latest version to mitigate the risk of exploitation.