CVE-2021-31476 Explained : Impact and Mitigation
Learn about CVE-2021-31476, a high-impact vulnerability in Foxit PhantomPDF version 10.1.3.37598, allowing remote attackers to execute arbitrary code with significant confidentiality, integrity, and availability impact.
A vulnerability in Foxit PhantomPDF version 10.1.3.37598 allows remote attackers to execute arbitrary code. User interaction is required for exploitation through visiting a malicious page or opening a malicious file. The issue is due to improper validation of user-supplied data related to XFA templates that leads to a type confusion condition.
Understanding CVE-2021-31476
This CVE details a high-impact vulnerability in Foxit PhantomPDF version 10.1.3.37598, allowing attackers to execute arbitrary code.
What is CVE-2021-31476?
CVE-2021-31476 is a vulnerability in Foxit PhantomPDF version 10.1.3.37598 that enables remote attackers to run malicious code on the target system.
The Impact of CVE-2021-31476
The impact of this vulnerability is high, as it allows attackers to execute arbitrary code on affected installations, compromising confidentiality, integrity, and availability.
Technical Details of CVE-2021-31476
This section covers specific technical details of CVE-2021-31476.
Vulnerability Description
The vulnerability arises from the lack of proper validation of user-supplied data within XFA templates, resulting in a type confusion condition exploitable by attackers.
Affected Systems and Versions
Foxit PhantomPDF version 10.1.3.37598 is affected by this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability by tricking users into visiting a malicious webpage or opening a malicious file, allowing the execution of arbitrary code.
Mitigation and Prevention
To protect against CVE-2021-31476, immediate steps and long-term security practices are recommended.
Immediate Steps to Take
Users are advised to update Foxit PhantomPDF to a patched version and exercise caution when interacting with untrusted files or links.
Long-Term Security Practices
Implementing robust security measures, such as network segmentation and user awareness training, can enhance overall protection.
Patching and Updates
Regularly applying security patches and updates from Foxit is crucial to mitigate the risk of exploitation.