CVE-2019-20821 Explained : Impact and Mitigation
Learn about CVE-2019-20821 affecting Foxit PhantomPDF Mac versions before 3.4. Discover the impact, affected systems, exploitation risks, and mitigation steps.
Foxit PhantomPDF Mac versions prior to 3.4 are affected by a NULL pointer dereference vulnerability.
Understanding CVE-2019-20821
This CVE identifies a specific vulnerability in Foxit PhantomPDF Mac versions.
What is CVE-2019-20821?
A NULL pointer dereference issue has been discovered in Foxit PhantomPDF Mac versions before 3.4, potentially leading to security risks.
The Impact of CVE-2019-20821
The vulnerability could allow attackers to exploit the NULL pointer dereference, leading to potential system crashes or arbitrary code execution.
Technical Details of CVE-2019-20821
Foxit PhantomPDF Mac versions prior to 3.4 are susceptible to a critical security flaw.
Vulnerability Description
A NULL pointer dereference vulnerability exists in Foxit PhantomPDF Mac versions before 3.4.
Affected Systems and Versions
- Product: Foxit PhantomPDF Mac
- Vendor: Foxit Software
- Versions: All versions before 3.4
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting malicious files or documents to trigger the NULL pointer dereference.
Mitigation and Prevention
Steps to address and prevent the CVE-2019-20821 vulnerability.
Immediate Steps to Take
- Update Foxit PhantomPDF Mac to version 3.4 or later.
- Be cautious when opening files from untrusted sources.
Long-Term Security Practices
- Regularly update software and security patches.
- Implement robust cybersecurity measures to prevent similar vulnerabilities.
Patching and Updates
Ensure timely installation of security updates and patches provided by Foxit Software.