CVE-2021-34837 : Vulnerability Insights and Analysis

A critical vulnerability has been identified in Foxit PDF Reader 11.0.0.49893, allowing remote attackers to execute arbitrary code. User interaction is required for exploitation through visiting a malicious page or opening a malicious file. The flaw lies in the handling of Annotation objects.

Understanding CVE-2021-34837

This section delves deeper into the details of the CVE-2021-34837 vulnerability.

What is CVE-2021-34837?

CVE-2021-34837 is a remote code execution vulnerability in Foxit PDF Reader 11.0.0.49893, where attackers can exploit the flaw in Annotation objects leading to arbitrary code execution.

The Impact of CVE-2021-34837

The impact of this vulnerability is high, with a CVSS V3.0 base score of 7.8. It requires user interaction and has high confidentiality, integrity, and availability impacts.

Technical Details of CVE-2021-34837

This section will outline the technical aspects of CVE-2021-34837.

Vulnerability Description

The vulnerability arises from the lack of object validation in Foxit PDF Reader, allowing attackers to execute code within the current process.

Affected Systems and Versions

Foxit PDF Reader version 11.0.0.49893 is specifically affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by tricking users into visiting a malicious page or opening a malicious file.

Mitigation and Prevention

Discover the steps to mitigate and prevent the exploitation of CVE-2021-34837.

Immediate Steps to Take

Users should refrain from accessing unknown or untrusted files or websites to prevent exploitation.

Long-Term Security Practices

Regular security updates, user training on identifying phishing attempts, and implementing robust security measures can enhance overall protection.

Patching and Updates

Users should promptly install security patches released by Foxit to address this vulnerability.