CVE-2019-5145 : What You Need to Know
Learn about CVE-2019-5145 affecting Foxit PDF Reader version 9.7.0.29435. Understand the impact, technical details, and mitigation steps to prevent arbitrary code execution.
Foxit PDF Reader version 9.7.0.29435 contains a vulnerability in its JavaScript engine that can lead to arbitrary code execution when a specially crafted PDF document is opened.
Understanding CVE-2019-5145
Foxit PDF Reader version 9.7.0.29435 is susceptible to a use-after-free vulnerability in its JavaScript engine.
What is CVE-2019-5145?
- The vulnerability allows a freed object in memory to be reused, potentially resulting in arbitrary code execution.
- Attackers can exploit this by tricking users into opening a malicious PDF file or visiting a malicious site with the browser plugin extension enabled.
The Impact of CVE-2019-5145
- CVSS Score: 8.8 (High)
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: None
- User Interaction: Required
- Confidentiality, Integrity, and Availability Impact: High
- This vulnerability poses a significant risk as it can allow attackers to execute arbitrary code on affected systems.
Technical Details of CVE-2019-5145
Foxit PDF Reader version 9.7.0.29435 is affected by a use-after-free vulnerability in its JavaScript engine.
Vulnerability Description
- A specially crafted PDF document can trigger the reuse of a freed object in memory, leading to arbitrary code execution.
Affected Systems and Versions
- Affected Product: Foxit PDF Reader
- Affected Version: 9.7.0.29435
Exploitation Mechanism
- Attackers exploit this vulnerability by manipulating the JavaScript engine in Foxit PDF Reader to execute arbitrary code.
Mitigation and Prevention
It is crucial to take immediate steps to mitigate the risks posed by CVE-2019-5145.
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 prevent malicious activities.
Patching and Updates
- Apply security patches provided by Foxit promptly to address the vulnerability and enhance system security.