CVE-2019-6984 : Exploit Details and Defense Strategies

A problem was found in the beta version of Foxit 3D Plugin, which is used by Foxit Reader and PhantomPDF. This vulnerability could lead to a Use-After-Free or Type Confusion issue when processing certain PDF files containing specially designed 3D content.

Understanding CVE-2019-6984

This CVE identifies a vulnerability in Foxit 3D Plugin Beta versions prior to 9.4.0.16807 used by Foxit Reader and PhantomPDF.

What is CVE-2019-6984?

Foxit 3D Plugin Beta versions prior to 9.4.0.16807 are susceptible to a Use-After-Free or Type Confusion issue when handling specific PDF files with crafted 3D content.

The Impact of CVE-2019-6984

Exploitation of this vulnerability could lead to application crashes due to a wild pointer, potentially allowing attackers to execute arbitrary code.

Technical Details of CVE-2019-6984

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The issue arises from the improper handling of 3D content in PDF files, leading to a Use-After-Free or Type Confusion problem.

Affected Systems and Versions

Foxit 3D Plugin Beta versions prior to 9.4.0.16807 used by Foxit Reader and PhantomPDF are affected.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious PDF files with specific 3D content to trigger the Use-After-Free or Type Confusion issue.

Mitigation and Prevention

Protecting systems from CVE-2019-6984 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Foxit Reader and PhantomPDF to version 9.4.0.16807 or later to mitigate the vulnerability.

Long-Term Security Practices

Regularly update software and applications to the latest versions to address known security issues.
Exercise caution when opening PDF files from untrusted sources to prevent potential exploitation.

Patching and Updates

Apply security patches provided by Foxit Software to fix the vulnerability and enhance system security.