CVE-2018-17656 Explained : Impact and Mitigation

A security vulnerability in Foxit Reader version 9.2.0.9297 allows remote attackers to execute arbitrary code on affected systems.

Understanding CVE-2018-17656

This CVE entry describes a critical vulnerability in Foxit Reader that could be exploited by malicious actors to run unauthorized commands on vulnerable installations.

What is CVE-2018-17656?

The vulnerability in Foxit Reader version 9.2.0.9297 enables attackers to execute arbitrary code by taking advantage of a flaw in the handling of the getDisplayItem method of a TimeField. User interaction is required for exploitation, typically through visiting a malicious webpage or opening a nefarious file.

The Impact of CVE-2018-17656

Exploitation of this vulnerability could lead to unauthorized execution of commands within the current process, posing a significant security risk to affected systems.

Technical Details of CVE-2018-17656

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The flaw arises from the failure to validate the existence of an object before performing operations on it, specifically within the TimeField's getDisplayItem method.

Affected Systems and Versions

Product: Foxit Reader
Vendor: Foxit
Version: 9.2.0.9297

Exploitation Mechanism

Attackers can exploit the vulnerability by tricking users into interacting with malicious content, such as visiting a compromised website or opening a malicious file.

Mitigation and Prevention

Protecting systems from CVE-2018-17656 requires immediate action and long-term security measures.

Immediate Steps to Take

Update Foxit Reader to a patched version that addresses the vulnerability.
Exercise caution when interacting with untrusted websites or files.

Long-Term Security Practices

Regularly update software and applications to mitigate known vulnerabilities.
Implement security best practices to prevent unauthorized code execution.

Patching and Updates

Stay informed about security bulletins and patches released by Foxit to address vulnerabilities like CVE-2018-17656.