CVE-2019-6755 : What You Need to Know

A vulnerability in Foxit Reader 9.3.10826 allows remote code execution, posing a significant threat to affected systems.

Understanding CVE-2019-6755

This CVE involves a critical vulnerability in Foxit Reader that enables attackers to execute arbitrary code on vulnerable systems.

What is CVE-2019-6755?

The vulnerability in Foxit Reader 9.3.10826 permits remote attackers to execute arbitrary code by exploiting a flaw in ConvertToPDF_x86.dll. This flaw arises from inadequate validation of user-supplied data, leading to memory overwrites and code execution within the current process context.

The Impact of CVE-2019-6755

The impact of this CVE is severe, with a CVSS base score of 7.8 (High severity). The confidentiality, integrity, and availability of affected systems are all at risk, requiring immediate attention to prevent exploitation.

Technical Details of CVE-2019-6755

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability allows remote code execution on Foxit Reader 9.3.10826 due to improper validation of user-supplied data in ConvertToPDF_x86.dll, enabling attackers to overwrite memory and execute code.

Affected Systems and Versions

Product: Reader
Vendor: Foxit
Version: 9.3.10826

Exploitation Mechanism

To exploit this vulnerability, attackers need the target user to either visit a malicious webpage or open a malicious file, triggering the execution of arbitrary code.

Mitigation and Prevention

Protecting systems from CVE-2019-6755 requires immediate action and long-term security measures.

Immediate Steps to Take

Update Foxit Reader to the latest version to patch the vulnerability.
Avoid visiting suspicious websites or opening files from unknown sources.

Long-Term Security Practices

Implement robust cybersecurity measures to prevent code execution vulnerabilities.
Educate users on safe browsing habits and file handling practices.

Patching and Updates

Regularly check for security updates from Foxit and apply patches promptly to mitigate the risk of exploitation.