CVE-2018-17631 Explained : Impact and Mitigation

A security issue has been identified in Foxit Reader 9.2.0.9297, allowing remote code execution by malicious actors.

Understanding CVE-2018-17631

This CVE involves a vulnerability in Foxit Reader 9.2.0.9297 that enables attackers to execute their code on affected systems.

What is CVE-2018-17631?

The vulnerability in Foxit Reader 9.2.0.9297 permits remote code execution by exploiting how the removeInstance event is handled.
Attackers can trigger this vulnerability by luring users to visit malicious websites or open corrupted files.

The Impact of CVE-2018-17631

Malicious individuals can remotely execute their code on systems running the vulnerable Foxit Reader version.
The vulnerability stems from inadequate validation of object existence before executing actions, enabling code execution within the current process.

Technical Details of CVE-2018-17631

This section delves into the technical aspects of the CVE.

Vulnerability Description

The vulnerability is classified as CWE-416: Use After Free, indicating a specific type of memory corruption issue.

Affected Systems and Versions

Product: Foxit Reader
Vendor: Foxit
Version: 9.2.0.9297

Exploitation Mechanism

Attackers exploit the mishandling of the removeInstance event to execute arbitrary code on vulnerable systems.

Mitigation and Prevention

Guidelines to address and prevent the CVE.

Immediate Steps to Take

Update Foxit Reader to a patched version to mitigate the vulnerability.
Avoid visiting suspicious websites or opening files from untrusted sources.

Long-Term Security Practices

Regularly update software and security patches to protect against known vulnerabilities.

Patching and Updates

Stay informed about security bulletins and advisories from Foxit and relevant security organizations.