CVE-2019-5031 Explained : Impact and Mitigation
Learn about CVE-2019-5031, a critical vulnerability in Foxit PDF Reader version 9.4.1.16828 that allows attackers to execute arbitrary code via crafted PDF files. Find mitigation steps and best practices here.
Foxit Software's Foxit PDF Reader version 9.4.1.16828 is vulnerable to a JavaScript engine flaw that can lead to arbitrary code execution when processing a malicious PDF file.
Understanding CVE-2019-5031
This CVE involves a critical vulnerability in Foxit PDF Reader that can be exploited through crafted PDF documents.
What is CVE-2019-5031?
The vulnerability in Foxit PDF Reader version 9.4.1.16828 allows attackers to execute arbitrary code by triggering an out-of-memory issue through a specially crafted PDF file.
The Impact of CVE-2019-5031
The impact of this CVE is rated as high, with a CVSS base score of 8.8. It can result in a compromise of confidentiality, integrity, and availability of the affected system.
Technical Details of CVE-2019-5031
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability arises from improper handling of exceptional conditions in the JavaScript engine of Foxit PDF Reader, enabling attackers to exploit memory corruption.
Affected Systems and Versions
- Product: Foxit PDF Reader
- Version: 9.4.1.16828
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: None
- User Interaction: Required
- Scope: Unchanged
- Exploitation involves deceiving users into opening a malicious PDF file or visiting a malicious website with the browser plugin extension enabled.
Mitigation and Prevention
To address CVE-2019-5031, consider the following mitigation strategies.
Immediate Steps to Take
- Disable the browser plugin extension if not essential.
- Exercise caution when opening PDF files from untrusted sources.
- Regularly update Foxit PDF Reader to the latest version.
Long-Term Security Practices
- Implement security awareness training to educate users on safe browsing practices.
- Employ network and endpoint security solutions to detect and prevent malicious activities.
Patching and Updates
- Apply patches and updates provided by Foxit Software promptly to address the vulnerability.