CVE-2019-6728 : Security Advisory and Response

Foxit Reader version 9.3.0.10826 is affected by a vulnerability that allows remote attackers to access sensitive information. The flaw arises from improper validation of user-supplied data in processing PDF files, potentially leading to unauthorized access and code execution.

Understanding CVE-2019-6728

This CVE identifies a critical vulnerability in Foxit Reader version 9.3.0.10826 that can be exploited by malicious actors to compromise system security.

What is CVE-2019-6728?

The vulnerability in Foxit Reader allows external entities to extract confidential data from systems with the software installed.
Exploiting this flaw requires user interaction, such as visiting a malicious website or opening a harmful file.
The issue stems from inadequate data validation in processing PDF files, enabling attackers to read beyond allocated buffers and potentially execute arbitrary code.

The Impact of CVE-2019-6728

Attackers can leverage this vulnerability to access sensitive information and execute malicious instructions within the affected system.
The vulnerability poses a significant risk to the confidentiality and integrity of data stored on systems running the vulnerable Foxit Reader version.

Technical Details of CVE-2019-6728

Foxit Reader version 9.3.0.10826 is susceptible to exploitation due to improper handling of user-supplied data in PDF file processing.

Vulnerability Description

Identified as CWE-125: Out-of-bounds Read, the flaw allows attackers to read beyond allocated buffers, potentially leading to unauthorized data access.

Affected Systems and Versions

Product: Foxit Reader
Vendor: Foxit
Vulnerable Version: 9.3.0.10826

Exploitation Mechanism

Attackers can exploit this vulnerability by tricking users into accessing malicious web pages or opening harmful files, enabling unauthorized data access and code execution.

Mitigation and Prevention

Taking immediate steps and implementing long-term security practices are crucial to mitigating the risks associated with CVE-2019-6728.

Immediate Steps to Take

Update Foxit Reader to the latest version to patch the vulnerability.
Exercise caution when interacting with PDF files from untrusted sources.

Long-Term Security Practices

Regularly update software and applications to ensure protection against known vulnerabilities.
Educate users on safe browsing habits and the importance of verifying the authenticity of files before opening.

Patching and Updates

Stay informed about security bulletins and advisories from Foxit and apply patches promptly to secure systems against potential exploits.