CVE-2021-31456 Explained : Impact and Mitigation

This CVE-2021-31456 affects Foxit Reader version 10.1.1.37576, allowing remote attackers to execute arbitrary code. User interaction is required through visiting a malicious page or opening a malicious file.

Understanding CVE-2021-31456

This vulnerability in Foxit Reader enables attackers to execute arbitrary code on the target system, posing a significant security risk.

What is CVE-2021-31456?

This CVE-2021-31456 vulnerability in Foxit Reader 10.1.1.37576 allows remote attackers to run code by exploiting a flaw in handling Annotation objects. Due to improper validation, attackers can execute code within the current process.

The Impact of CVE-2021-31456

The impact of this vulnerability is rated as high with a CVSS base score of 7.8. It affects confidentiality, integrity, and availability, requiring user interaction.

Technical Details of CVE-2021-31456

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

The flaw arises from a lack of validation before operating on Annotation objects, enabling attackers to achieve arbitrary code execution.

Affected Systems and Versions

Foxit Reader version 10.1.1.37576 is the specific version affected by this vulnerability.

Exploitation Mechanism

Attackers exploit this vulnerability by tricking users into accessing a malicious page or opening a crafted file within Foxit Reader.

Mitigation and Prevention

To secure systems from CVE-2021-31456, certain immediate steps and long-term security practices are recommended.

Immediate Steps to Take

Users should update Foxit Reader to the latest version, avoid opening untrusted files, and be cautious when visiting unknown websites.

Long-Term Security Practices

Implementing user awareness training, regularly updating software, and deploying comprehensive security solutions can enhance overall security posture.

Patching and Updates

Regularly check for security bulletins from Foxit and apply all relevant patches and updates.