CVE-2021-31442 : Vulnerability Insights and Analysis

This CVE-2021-31442 article provides an in-depth look at a critical vulnerability affecting Foxit Reader version 10.1.1.37576. Learn about the impact, technical details, and mitigation steps to secure your systems.

Understanding CVE-2021-31442

CVE-2021-31442 is a vulnerability that allows remote attackers to execute arbitrary code on systems running the affected version of Foxit Reader. User interaction is required for exploitation through visiting a malicious page or opening a malicious file.

What is CVE-2021-31442?

This vulnerability in Foxit Reader 10.1.1.37576 arises from improper validation of user-supplied data when handling U3D objects in PDF files. Attackers could exploit this flaw to trigger code execution within the current process.

The Impact of CVE-2021-31442

The CVSS score of 7.8 classifies this vulnerability as high severity, with significant impact on confidentiality, integrity, and availability. Although no privileges are required, user interaction is necessary for successful exploitation.

Technical Details of CVE-2021-31442

Explore the specifics of the vulnerability to understand affected systems, exploitation mechanisms, and more.

Vulnerability Description

CVE-2021-31442 is categorized as an 'Out-of-bounds Write' vulnerability (CWE-787), allowing attackers to write past the end of allocated data structures.

Affected Systems and Versions

Foxit Reader version 10.1.1.37576 is confirmed to be vulnerable, exposing systems running this version to potential exploitation.

Exploitation Mechanism

The vulnerability can be exploited by enticing a user to interact with a malicious page or file, leading to remote code execution within the current process.

Mitigation and Prevention

Protect your systems from CVE-2021-31442 with essential security practices and immediate action steps.

Immediate Steps to Take

Users are advised to update Foxit Reader to a secure version and avoid opening suspicious files or visiting untrusted websites to mitigate the risk of exploitation.

Long-Term Security Practices

Implementing robust security measures, such as network segmentation and regular security training, can enhance overall protection against similar vulnerabilities.

Patching and Updates

Stay informed about security patches and updates released by Foxit to address CVE-2021-31442 and other potential threats.