CVE-2020-16229 : Exploit Details and Defense Strategies

Advantech WebAccess HMI Designer, Versions 2.1.9.31 and prior, is susceptible to a type confusion vulnerability that could lead to remote code execution, information disclosure/modification, or application crashes.

Understanding CVE-2020-16229

This CVE involves a type confusion issue in Advantech WebAccess HMI Designer, potentially allowing various forms of attacks.

What is CVE-2020-16229?

CVE-2020-16229 is a vulnerability in Advantech WebAccess HMI Designer that arises from processing specially crafted project files without adequate validation, leading to a type confusion condition.

The Impact of CVE-2020-16229

The vulnerability may result in remote code execution, unauthorized access to or modification of sensitive data, or denial of service by crashing the application.

Technical Details of CVE-2020-16229

Advantech WebAccess HMI Designer is affected by a type confusion vulnerability that can have severe consequences.

Vulnerability Description

The issue stems from processing project files that lack proper validation, potentially triggering a type confusion condition.

Affected Systems and Versions

Product: Advantech WebAccess HMI Designer
Versions Affected: 2.1.9.31 and prior

Exploitation Mechanism

The vulnerability can be exploited by crafting malicious project files that exploit the lack of data validation, leading to type confusion and subsequent attacks.

Mitigation and Prevention

It is crucial to take immediate and long-term measures to mitigate the risks associated with CVE-2020-16229.

Immediate Steps to Take

Apply security patches or updates provided by the vendor promptly.
Implement network segmentation to limit the impact of potential attacks.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify vulnerabilities.
Educate users about safe computing practices and the importance of verifying file sources.
Keep software and systems up to date with the latest security patches.
Employ intrusion detection/prevention systems to detect and block malicious activities.

Patching and Updates

Ensure that you regularly check for updates and patches released by Advantech for WebAccess HMI Designer to address the identified vulnerability.