CVE-2021-45980 : What You Need to Know

Foxit PDF Reader and PDF Editor before 11.1 on macOS allow remote attackers to execute arbitrary code via getURL in the JavaScript API.

Understanding CVE-2021-45980

Foxit PDF Reader and PDF Editor on macOS are vulnerable to remote code execution attacks through a specific JavaScript API method.

What is CVE-2021-45980?

This CVE describes a vulnerability in Foxit PDF Reader and PDF Editor versions before 11.1 on macOS, enabling malicious actors to execute arbitrary code by exploiting the getURL function in the JavaScript API.

The Impact of CVE-2021-45980

The vulnerability poses a significant risk as attackers can remotely execute malicious code on affected systems, potentially leading to unauthorized access, data theft, or system compromise.

Technical Details of CVE-2021-45980

Foxit PDF Reader and PDF Editor on macOS are susceptible to a remote code execution flaw through a specific JavaScript API function.

Vulnerability Description

The vulnerability arises from improper validation of user-supplied input in the getURL function, allowing attackers to inject and execute malicious code remotely.

Affected Systems and Versions

Product: Foxit PDF Reader and PDF Editor
Version: Before 11.1

Exploitation Mechanism

By leveraging the vulnerable getURL function in the JavaScript API, threat actors can craft malicious URLs to trigger the execution of arbitrary code on the target macOS system.

Mitigation and Prevention

To address CVE-2021-45980, users and organizations should take immediate action to secure their systems and prevent exploitation.

Immediate Steps to Take

Update Foxit PDF Reader and PDF Editor to version 11.1 or newer to patch the vulnerability.
Exercise caution when interacting with PDF files from untrusted or unknown sources.

Long-Term Security Practices

Regularly update software and applications to ensure the latest security patches are in place.
Implement security best practices such as network segmentation and user awareness training.

Patching and Updates

Foxit PDF Reader and PDF Editor users should apply the latest updates provided by the vendor to mitigate the CVE-2021-45980 vulnerability.