CVE-2020-13557 : Vulnerability Insights and Analysis

A use after free vulnerability in Foxit PDF Reader version 10.1.0.37527 can lead to arbitrary code execution when a specially crafted PDF document is opened.

Understanding CVE-2020-13557

What is CVE-2020-13557?

This CVE identifies a use after free vulnerability in the JavaScript engine of Foxit Software’s Foxit PDF Reader, version 10.1.0.37527. An attacker can exploit this vulnerability by tricking a user into opening a malicious PDF document.

The Impact of CVE-2020-13557

The vulnerability has a CVSS base score of 8.8, indicating a high severity level. If successfully exploited, it can result in arbitrary code execution, posing a significant risk to affected systems.

Technical Details of CVE-2020-13557

Vulnerability Description

A use after free vulnerability in the JavaScript engine of Foxit PDF Reader version 10.1.0.37527 allows attackers to execute arbitrary code by reusing previously freed memory.

Affected Systems and Versions

Product: Foxit
Version: Foxit Reader Version: 10.1.0.37527

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: None
User Interaction: Required
Scope: Unchanged
Impact: High confidentiality, integrity, and availability

Mitigation and Prevention

Immediate Steps to Take

Disable the browser plugin extension if not essential
Avoid opening PDFs from untrusted or unknown sources
Regularly update Foxit PDF Reader to the latest version

Long-Term Security Practices

Educate users on safe browsing habits and recognizing phishing attempts
Implement network security measures to detect and block malicious PDFs

Patching and Updates

Apply security patches provided by Foxit promptly to address the vulnerability