CVE-2018-3966 Explained : Impact and Mitigation
Learn about CVE-2018-3966, a high-severity vulnerability in Foxit PDF Reader version 9.1.0.5096 allowing remote code execution. Find mitigation steps and preventive measures here.
A vulnerability exists in Foxit PDF Reader version 9.1.0.5096 that allows attackers to execute arbitrary code by manipulating computer memory through a crafted PDF document.
Understanding CVE-2018-3966
This CVE involves a remote code execution vulnerability in Foxit PDF Reader version 9.1.0.5096.
What is CVE-2018-3966?
The vulnerability in the JavaScript engine of Foxit PDF Reader version 9.1.0.5096 allows attackers to exploit memory manipulation through a specially crafted PDF document, leading to arbitrary code execution.
The Impact of CVE-2018-3966
- CVSS Score: 8 (High Severity)
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: Low
- User Interaction: Required
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
- Scope: Unchanged
Technical Details of CVE-2018-3966
This section provides detailed technical information about the vulnerability.
Vulnerability Description
An exploitable use-after-free vulnerability in the JavaScript engine of Foxit PDF Reader version 9.1.0.5096 allows attackers to trigger arbitrary code execution by reusing a freed object in memory.
Affected Systems and Versions
- Affected Product: Foxit PDF Reader
- Vendor: Foxit Software
- Affected Version: 9.1.0.5096
Exploitation Mechanism
Attackers can exploit this vulnerability by tricking users into opening a malicious PDF document or by visiting corrupted websites if the browser plugin extension is active.
Mitigation and Prevention
Protecting systems from CVE-2018-3966 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Disable the browser plugin extension if not essential
- Avoid opening PDF files from untrusted sources
- Apply security updates promptly
Long-Term Security Practices
- Regularly update software and applications
- Educate users on safe browsing habits
- Implement network security measures
Patching and Updates
- Check for security patches from Foxit Software
- Apply recommended updates to mitigate the vulnerability