CVE-2018-3967 : Vulnerability Insights and Analysis
Learn about CVE-2018-3967, a high-severity vulnerability in Foxit PDF Reader version 9.1.0.5096 that allows remote code execution. Find out the impact, affected systems, exploitation method, and mitigation steps.
Foxit PDF Reader version 9.1.0.5096 contains a vulnerability in its JavaScript engine that can lead to remote code execution when triggered by a specially crafted PDF document.
Understanding CVE-2018-3967
This CVE involves a use-after-free vulnerability in Foxit PDF Reader version 9.1.0.5096, allowing attackers to execute arbitrary code.
What is CVE-2018-3967?
- The vulnerability arises from reusing a previously freed object in memory due to a specially crafted PDF document.
- Attackers can exploit this flaw to execute arbitrary code by deceiving users into opening a malicious file.
- Enabling the browser plugin extension can also activate the vulnerability when visiting a malicious website.
The Impact of CVE-2018-3967
- CVSS Score: 8 (High Severity)
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: Low
- User Interaction: Required
- Confidentiality, Integrity, and Availability Impact: High
Technical Details of CVE-2018-3967
This section provides more in-depth technical insights into the vulnerability.
Vulnerability Description
- The vulnerability allows for remote code execution through a use-after-free scenario in the JavaScript engine of Foxit PDF Reader.
Affected Systems and Versions
- Affected Product: Foxit PDF Reader
- Vendor: Foxit Software
- Affected Version: 9.1.0.5096
Exploitation Mechanism
- Attackers exploit the vulnerability by tricking users into opening a malicious PDF file or visiting a compromised website with the browser plugin extension enabled.
Mitigation and Prevention
Protecting systems from CVE-2018-3967 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Disable the browser plugin extension if not essential for daily operations.
- Avoid opening PDF files from untrusted or unknown sources.
- Regularly update Foxit PDF Reader to the latest version.
Long-Term Security Practices
- Educate users on safe browsing habits and the risks associated with opening unknown files.
- Implement network security measures to detect and block malicious PDF files.
Patching and Updates
- Stay informed about security updates released by Foxit Software and apply patches promptly to mitigate the vulnerability.