CVE-2018-3944 : Exploit Details and Defense Strategies
Learn about CVE-2018-3944 affecting Foxit PDF Reader version 9.1.0.5096. Understand the use-after-free vulnerability allowing remote code execution and how to mitigate the risks.
Foxit Software's PDF Reader version 9.1.0.5096 contains a use-after-free vulnerability in its JavaScript engine, allowing attackers to execute arbitrary code by manipulating memory objects.
Understanding CVE-2018-3944
Foxit PDF Reader version 9.1.0.5096 is susceptible to a use-after-free vulnerability in its JavaScript engine, enabling remote code execution.
What is CVE-2018-3944?
The vulnerability in Foxit PDF Reader version 9.1.0.5096 allows specially crafted PDF documents to exploit the JavaScript engine, executing arbitrary code by manipulating freed memory objects.
The Impact of CVE-2018-3944
- CVSS Base 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-2018-3944
Foxit PDF Reader version 9.1.0.5096 is affected by a critical vulnerability that allows remote code execution.
Vulnerability Description
The use-after-free vulnerability in the JavaScript engine of Foxit PDF Reader version 9.1.0.5096 permits attackers to execute arbitrary code by reusing freed memory objects.
Affected Systems and Versions
- Product: Foxit PDF Reader
- Vendor: Foxit
- Affected Version: Foxit Software Foxit PDF Reader 9.1.0.5096
Exploitation Mechanism
To exploit this vulnerability, attackers need to deceive users into opening a malicious PDF file or trigger it by visiting a malicious website if the browser plugin extension is enabled.
Mitigation and Prevention
Immediate action is crucial to mitigate the risks posed by CVE-2018-3944.
Immediate Steps to Take
- Disable the browser plugin extension if not essential
- 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 of opening unknown files
- Implement network security measures to detect and block malicious PDF files
Patching and Updates
- Apply security patches provided by Foxit promptly to address the vulnerability