CVE-2021-27271 Explained : Impact and Mitigation
Learn about CVE-2021-27271, a high-severity remote code execution vulnerability in Foxit PhantomPDF 10.1.0.37527 due to improper handling of U3D objects in PDF files. Find mitigation steps here.
A detailed analysis of CVE-2021-27271, a vulnerability in Foxit PhantomPDF that allows remote attackers to execute arbitrary code.
Understanding CVE-2021-27271
This CVE involves a flaw in Foxit PhantomPDF that could lead to remote code execution when interacting with a malicious file or page.
What is CVE-2021-27271?
CVE-2021-27271 is a vulnerability in Foxit PhantomPDF 10.1.0.37527 that arises from the mishandling of U3D objects in PDF files. Attackers can exploit this flaw by manipulating user-supplied data to execute arbitrary code.
The Impact of CVE-2021-27271
The impact of this vulnerability is rated as high, with a CVSS base score of 7.8. It requires user interaction but can result in unauthorized code execution, posing risks to confidentiality, integrity, and availability.
Technical Details of CVE-2021-27271
This section covers the specifics of the vulnerability, the affected systems, and how the exploitation takes place.
Vulnerability Description
The vulnerability involves an out-of-bounds read condition due to inadequate validation of user-supplied data in U3D objects within PDF files.
Affected Systems and Versions
Foxit PhantomPDF version 10.1.0.37527 is impacted by this vulnerability.
Exploitation Mechanism
Attackers can exploit this flaw by enticing users to open a malicious file or visit a compromised web page containing the manipulated content.
Mitigation and Prevention
Discover the actions you can take immediately and in the long term to mitigate the risks associated with CVE-2021-27271.
Immediate Steps to Take
Users are advised to update the affected software to the latest version available and avoid opening any suspicious files or visiting unknown websites.
Long-Term Security Practices
Implementing a robust security strategy that includes regular software updates, employee awareness programs, and proactive threat monitoring can help prevent such vulnerabilities.
Patching and Updates
Stay informed about security patches released by Foxit for PhantomPDF to address CVE-2021-27271 and other known vulnerabilities.