CVE-2018-9974 : Exploit Details and Defense Strategies

A vulnerability in Foxit Reader version 9.0.1.1049 allows remote attackers to execute arbitrary code on affected systems by exploiting a heap-based buffer overflow in the ConvertToPDF_x86.dll library.

Understanding CVE-2018-9974

This CVE identifies a critical security issue in Foxit Reader version 9.0.1.1049 that can lead to remote code execution.

What is CVE-2018-9974?

The vulnerability in Foxit Reader version 9.0.1.1049 enables attackers to execute arbitrary code on targeted systems by taking advantage of a specific flaw in the ConvertToPDF_x86.dll library. This flaw arises from inadequate validation of user-supplied data length.

The Impact of CVE-2018-9974

Exploiting this vulnerability allows remote attackers to execute code within the current process of the affected system. User interaction is required, such as visiting a malicious webpage or opening a malicious file.

Technical Details of CVE-2018-9974

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability is classified as CWE-122-Heap-based Buffer Overflow, indicating a critical flaw in handling user-supplied data length validation within the ConvertToPDF_x86.dll library.

Affected Systems and Versions

Product: Foxit Reader
Vendor: Foxit
Version: 9.0.1.1049

Exploitation Mechanism

Attackers exploit the vulnerability by manipulating user-supplied data length validation in the ConvertToPDF_x86.dll library.

Mitigation and Prevention

Protecting systems from CVE-2018-9974 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Foxit Reader to a patched version that addresses the vulnerability.
Avoid visiting suspicious websites or opening files from unknown sources.

Long-Term Security Practices

Regularly update software and apply security patches promptly.
Implement robust endpoint protection and intrusion detection systems.

Patching and Updates

Foxit has released patches to address the vulnerability. Ensure all systems running Foxit Reader are updated to the latest secure version.