CVE-2021-31470 : What You Need to Know

This CVE-2021-31470 article provides insights into a vulnerability in Foxit Reader 10.1.1.37576 that enables remote attackers to execute arbitrary code. User interaction is necessary for exploitation by visiting a malicious page or opening a malicious file.

Understanding CVE-2021-31470

This section delves into the impact, technical details, and mitigation strategies related to CVE-2021-31470.

What is CVE-2021-31470?

CVE-2021-31470 is a remote code execution vulnerability in Foxit Reader 10.1.1.37576 due to improper handling of U3D objects in PDF files. This flaw allows attackers to execute code within the current process.

The Impact of CVE-2021-31470

The impact of this vulnerability is rated as high with a CVSS base score of 7.8. Attackers can exploit it to achieve confidentiality, integrity, and availability impacts without requiring any special privileges.

Technical Details of CVE-2021-31470

This section provides specific technical details of the vulnerability.

Vulnerability Description

The vulnerability arises from the lack of validating the existence of an object in U3D objects within PDF files prior to performing operations on it. This oversight enables attackers to execute arbitrary code on the affected systems.

Affected Systems and Versions

Foxit Reader 10.1.1.37576 is the specific version affected by this vulnerability, putting installations of this version at risk of remote code execution.

Exploitation Mechanism

To exploit CVE-2021-31470, remote attackers need victims to interact with malicious content, such as visiting a corrupted page or opening a malevolent file.

Mitigation and Prevention

Protecting systems from CVE-2021-31470 requires immediate actions and long-term security practices.

Immediate Steps to Take

Users should update Foxit Reader to a secure version, avoid opening suspicious files or visiting unfamiliar websites, and consider using alternative PDF readers.

Long-Term Security Practices

Practicing safe browsing habits, keeping software up to date, and maintaining a robust cybersecurity posture can prevent such vulnerabilities.

Patching and Updates

Regularly patching software and promptly applying security updates can mitigate the risk of exploitation related to CVE-2021-31470.