CVE-2018-5674 : Exploit Details and Defense Strategies

Remote attackers can execute unauthorized code on Foxit Reader and PhantomPDF installations before version 9.1. The vulnerability requires user interaction through corrupted webpages or files containing manipulated PDF data.

Understanding CVE-2018-5674

This CVE involves a vulnerability that allows remote code execution on specific versions of Foxit Reader and PhantomPDF.

What is CVE-2018-5674?

Attackers can trigger unauthorized code execution on systems running Foxit Reader and PhantomPDF before version 9.1
User interaction is necessary, requiring access to corrupted webpages or files with manipulated PDF data
The vulnerability is related to the handling of PDF files containing embedded u3d images

The Impact of CVE-2018-5674

Allows attackers to execute code within the existing process
Different from CVE-2018-5676 and CVE-2018-5678

Technical Details of CVE-2018-5674

This section provides technical insights into the vulnerability.

Vulnerability Description

Involves a heap-based buffer overflow triggered by crafted data in PDF files
Enables attackers to execute code within the current process

Affected Systems and Versions

Foxit Reader versions before 9.1
PhantomPDF versions before 9.1

Exploitation Mechanism

Manipulation of PDF files with embedded u3d images
Triggering a heap-based buffer overflow

Mitigation and Prevention

Protect systems from CVE-2018-5674 with these strategies:

Immediate Steps to Take

Update Foxit Reader and PhantomPDF to versions 9.1 or later
Avoid opening files from untrusted sources
Implement security measures to detect malicious PDF files

Long-Term Security Practices

Regularly update software and security patches
Educate users on safe browsing habits and file handling

Patching and Updates

Apply patches provided by Foxit Software to address the vulnerability