CVE-2017-16585 : What You Need to Know

This CVE-2017-16585 article provides insights into a security vulnerability in Foxit Reader version 8.3.2.25013 that allows unauthorized code execution.

Understanding CVE-2017-16585

This CVE involves a flaw in Foxit Reader version 8.3.2.25013 that could be exploited by attackers to run unauthorized code within the current process.

What is CVE-2017-16585?

The vulnerability in Foxit Reader 8.3.2.25013 allows remote attackers to execute arbitrary code by exploiting a flaw in the app.response method, which lacks validation before performing operations on an object.

The Impact of CVE-2017-16585

The presence of this security flaw enables unauthorized individuals to execute unauthorized commands by tricking users into accessing a corrupt webpage or opening an infected file.

Technical Details of CVE-2017-16585

This section delves into the technical aspects of the CVE.

Vulnerability Description

The vulnerability, identified as ZDI-CAN-5294, falls under CWE-416-Use After Free, allowing attackers to execute code under the context of the current process.

Affected Systems and Versions

Product: Foxit Reader
Vendor: Foxit
Version: 8.3.2.25013

Exploitation Mechanism

Attackers exploit the flaw in the app.response method by not validating the existence of an object before performing operations, enabling them to execute unauthorized code.

Mitigation and Prevention

Protecting systems from CVE-2017-16585 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Foxit Reader to a patched version immediately.
Avoid visiting suspicious websites or opening files from unknown sources.
Implement security measures to prevent unauthorized code execution.

Long-Term Security Practices

Regularly update software and security patches.
Educate users on safe browsing habits and file handling.
Employ security solutions to detect and prevent similar vulnerabilities.

Patching and Updates

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