CVE-2018-3964 : Exploit Details and Defense Strategies
Learn about CVE-2018-3964, a critical vulnerability in Foxit PDF Reader version 9.1.0.5096 allowing remote code execution. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
A vulnerability in the JavaScript engine of Foxit PDF Reader version 9.1.0.5096 allows for remote code execution through a use-after-free scenario. Attackers can exploit this by tricking users into opening a malicious PDF document or visiting a malicious site.
Understanding CVE-2018-3964
This CVE involves a critical vulnerability in Foxit PDF Reader version 9.1.0.5096 that can lead to arbitrary code execution.
What is CVE-2018-3964?
CVE-2018-3964 is a use-after-free vulnerability in the JavaScript engine of Foxit PDF Reader version 9.1.0.5096, developed by Foxit Software. It enables attackers to execute arbitrary code by reusing a freed object in the computer's memory.
The Impact of CVE-2018-3964
The vulnerability has a CVSS base score of 8, indicating a high severity level. It can result in high impacts on confidentiality, integrity, and availability of affected systems.
Technical Details of CVE-2018-3964
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability allows attackers to trigger arbitrary code execution by exploiting a use-after-free scenario in the JavaScript engine of Foxit PDF Reader version 9.1.0.5096.
Affected Systems and Versions
- Product: Foxit PDF Reader
- Vendor: Foxit Software
- Version: 9.1.0.5096
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: Low
- User Interaction: Required
- Scope: Unchanged
- Exploitation can occur through a specially crafted PDF document or a malicious site if the browser plugin extension is enabled.
Mitigation and Prevention
Protecting systems from CVE-2018-3964 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Disable the browser plugin extension if not essential for daily operations.
- Exercise caution when opening PDF files from untrusted sources.
- Implement security awareness training to educate users on phishing tactics.
Long-Term Security Practices
- Keep software and applications up to date to patch known vulnerabilities.
- Utilize endpoint protection solutions to detect and prevent malicious activities.
- Regularly monitor network traffic for any suspicious behavior.
- Consider using alternative PDF readers with a strong security track record.
Patching and Updates
- Check for security updates and patches provided by Foxit Software to address the CVE-2018-3964 vulnerability.