CVE-2018-11621 Explained : Impact and Mitigation

This CVE-2018-11621 article provides insights into a security vulnerability affecting Foxit Reader version 9.0.1.1049.

Understanding CVE-2018-11621

CVE-2018-11621 is a vulnerability that allows remote attackers to access sensitive data on systems running Foxit Reader 9.0.1.1049.

What is CVE-2018-11621?

The vulnerability in Foxit Reader 9.0.1.1049 enables attackers to exploit inadequate validation of user-provided information, potentially leading to unauthorized code execution.

The Impact of CVE-2018-11621

The presence of this security weakness allows remote attackers to access sensitive data on vulnerable installations of Foxit Reader 9.0.1.1049. The attacker can execute unauthorized code within the current process context.

Technical Details of CVE-2018-11621

CVE-2018-11621 affects Foxit Reader version 9.0.1.1049.

Vulnerability Description

The vulnerability arises from inadequate validation of user-supplied data, specifically within ConvertToPDF_x86.dll, allowing attackers to read beyond the allocated object.

Affected Systems and Versions

Product: Foxit Reader
Vendor: Foxit
Version: 9.0.1.1049

Exploitation Mechanism

Attackers exploit the vulnerability by tricking users into visiting malicious webpages or opening malicious files.
The flaw can be found in ConvertToPDF_x86.dll.
Identified as ZDI-CAN-5896.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks posed by CVE-2018-11621.

Immediate Steps to Take

Update Foxit Reader to a patched version.
Avoid visiting suspicious websites or opening unknown files.
Implement security best practices to prevent unauthorized code execution.

Long-Term Security Practices

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

Patching and Updates

Foxit has released security updates to address this vulnerability.