CVE-2019-6757 : Vulnerability Insights and Analysis

Foxit Reader 9.4.16811 is vulnerable to remote code execution due to a flaw in ConvertToPDF_x86.dll.

Understanding CVE-2019-6757

This CVE involves a critical vulnerability in Foxit Reader that allows attackers to execute arbitrary code remotely.

What is CVE-2019-6757?

The vulnerability in Foxit Reader 9.4.16811 enables remote attackers to run malicious code by exploiting a flaw in ConvertToPDF_x86.dll. User interaction, such as visiting a malicious webpage or opening a malicious file, is required for exploitation.

The Impact of CVE-2019-6757

CVSS Score: 7.8 (High Severity)
Attack Vector: Local
Attack Complexity: Low
User Interaction: Required
Confidentiality, Integrity, and Availability Impact: High
This vulnerability is classified as CWE-416: Use After Free.

Technical Details of CVE-2019-6757

Foxit Reader 9.4.16811 is susceptible to remote code execution due to a flaw in ConvertToPDF_x86.dll.

Vulnerability Description

The vulnerability arises from the failure to validate the presence of an object before performing operations on it, allowing attackers to execute code within the current process.

Affected Systems and Versions

Affected Product: Foxit Reader
Affected Version: 9.4.16811

Exploitation Mechanism

Attackers can exploit this vulnerability by tricking users into visiting a malicious webpage or opening a malicious file.

Mitigation and Prevention

To protect systems from CVE-2019-6757, follow these mitigation strategies:

Immediate Steps to Take

Update Foxit Reader to the latest version.
Avoid visiting untrusted websites or opening suspicious files.

Long-Term Security Practices

Implement regular security training for users to recognize phishing attempts.
Use endpoint protection solutions to detect and block malicious activities.

Patching and Updates

Apply security patches promptly to address known vulnerabilities in software.