CVE-2018-14243 : Security Advisory and Response

A security vulnerability in Foxit Reader 9.0.1.1049 allows remote attackers to execute unauthorized code on affected systems.

Understanding CVE-2018-14243

This CVE identifies a critical security flaw in Foxit Reader that can be exploited by malicious actors to run arbitrary code on vulnerable installations.

What is CVE-2018-14243?

The vulnerability in Foxit Reader 9.0.1.1049 enables remote attackers to execute unauthorized code by manipulating JavaScript operations, specifically related to the addPageOpenJSMessage function.

The Impact of CVE-2018-14243

Attackers can exploit this vulnerability to run unauthorized code on systems running the affected version of Foxit Reader.
Users are required to interact with a malicious webpage or open a corrupted file to trigger the vulnerability.

Technical Details of CVE-2018-14243

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability allows attackers to exploit a type confusion error within the addPageOpenJSMessage function.
By manipulating JavaScript operations, intruders can execute code within the ongoing process.

Affected Systems and Versions

Product: Foxit Reader
Vendor: Foxit
Version: 9.0.1.1049

Exploitation Mechanism

Attackers can trigger the vulnerability by manipulating JavaScript operations, leading to a type confusion condition and unauthorized code execution.

Mitigation and Prevention

Protecting systems from CVE-2018-14243 requires immediate action and long-term security practices.

Immediate Steps to Take

Update Foxit Reader to the latest version to patch the vulnerability.
Avoid visiting suspicious websites or opening files from unknown sources.
Implement security measures to prevent unauthorized code execution.

Long-Term Security Practices

Regularly update software and applications to mitigate known vulnerabilities.
Educate users on safe browsing habits and the risks associated with opening unknown files.

Patching and Updates

Foxit users should promptly install security patches released by the vendor to address the vulnerability.