CVE-2019-5130 : What You Need to Know

Foxit PDF Reader version 9.7.0.29435, developed by Foxit Software, contains a vulnerability in its JavaScript engine that allows for arbitrary code execution when a specially crafted PDF document triggers a previously freed object in memory to be reused.

Understanding CVE-2019-5130

This CVE involves a use-after-free vulnerability in Foxit PDF Reader version 9.7.0.29435.

What is CVE-2019-5130?

The vulnerability in the JavaScript engine of Foxit PDF Reader version 9.7.0.29435 allows attackers to execute arbitrary code by exploiting a reused object in memory.
Attackers can trigger this vulnerability by tricking users into opening a malicious PDF document or by visiting a malicious website with the browser plugin extension enabled.

The Impact of CVE-2019-5130

CVSS Score: 8 (High)
Attack Vector: Network
Attack Complexity: Low
Privileges Required: Low
User Interaction: Required
Confidentiality, Integrity, and Availability Impact: High

Technical Details of CVE-2019-5130

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability is classified as CWE-416: Use After Free.
It allows for the reuse of a freed object in memory, leading to arbitrary code execution.

Affected Systems and Versions

Product: Foxit PDF Reader
Version: 9.7.0.29435

Exploitation Mechanism

Attackers exploit the vulnerability by manipulating the JavaScript engine in Foxit PDF Reader to execute arbitrary code.

Mitigation and Prevention

Protecting systems from CVE-2019-5130 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable the browser plugin extension if not essential for daily operations.
Avoid opening PDF files from untrusted or unknown sources.
Regularly update Foxit PDF Reader to the latest version.

Long-Term Security Practices

Educate users about the risks of opening files from unknown sources.
Implement network security measures to detect and block malicious PDF files.

Patching and Updates

Stay informed about security updates from Foxit Software and apply patches promptly to mitigate the vulnerability.