CVE-2021-27267 : Vulnerability Insights and Analysis

This CVE-2021-27267 advisory addresses a critical vulnerability found in Foxit PhantomPDF version 10.1.0.37527. The flaw allows remote attackers to execute arbitrary code by exploiting the handling of U3D objects in PDF files.

Understanding CVE-2021-27267

This section delves into the details of the CVE-2021-27267 vulnerability.

What is CVE-2021-27267?

The vulnerability in Foxit PhantomPDF 10.1.0.37527 allows remote attackers to execute arbitrary code by exploiting the mishandling of U3D objects in PDF files.

The Impact of CVE-2021-27267

The impact of this vulnerability is rated as HIGH, as attackers can execute code in the context of the current process, requiring user interaction via visiting a malicious page or opening a malicious file.

Technical Details of CVE-2021-27267

This section focuses on the technical aspects of CVE-2021-27267.

Vulnerability Description

CVE-2021-27267 involves a lack of validating the existence of an object before performing operations on it, leading to code execution.

Affected Systems and Versions

The vulnerability affects Foxit PhantomPDF version 10.1.0.37527.

Exploitation Mechanism

Attackers exploit this vulnerability by leveraging the mishandling of U3D objects in PDF files, requiring user interaction for execution.

Mitigation and Prevention

Here are the key steps to mitigate and prevent exploitation of CVE-2021-27267.

Immediate Steps to Take

Users are advised to avoid visiting suspicious pages and refrain from opening unexpected or malicious PDF files.

Long-Term Security Practices

Implement robust security practices, such as regularly updating software and deploying security patches promptly.

Patching and Updates

Foxit Software has released security updates to address CVE-2021-27267. Users should ensure they have updated to the latest version of Foxit PhantomPDF to mitigate the vulnerability.