CVE-2021-38438 : Security Advisory and Response

A detailed overview of the CVE-2021-38438 vulnerability in FATEK Automation WinProladder, including its impact, technical details, and mitigation steps.

Understanding CVE-2021-38438

This section delves into the specifics of the vulnerability and its implications.

What is CVE-2021-38438?

CVE-2021-38438 is a use-after-free vulnerability in FATEK Automation WinProladder versions 3.30 and earlier. It could be exploited by a valid user opening a malformed project file, potentially leading to arbitrary code execution.

The Impact of CVE-2021-38438

The vulnerability's impact is rated as high, with a CVSS base score of 7.8. It could result in high confidentiality, integrity, and availability impact without requiring privileges.

Technical Details of CVE-2021-38438

Explore the technical specifics of the vulnerability in this section.

Vulnerability Description

The use-after-free flaw in FATEK Automation WinProladder versions 3.30 and below allows attackers to execute arbitrary code through a crafted project file manipulation.

Affected Systems and Versions

All versions of WinProladder up to 3.30 are affected by this vulnerability.

Exploitation Mechanism

An attacker can trigger this vulnerability by enticing a legitimate user to open a specially crafted project file.

Mitigation and Prevention

Discover the necessary steps to address and prevent exploitation of CVE-2021-38438.

Immediate Steps to Take

As FATEK Automation has not cooperated in addressing the issue, impacted users should contact their support for guidance.

Long-Term Security Practices

Incorporate secure coding practices, regular security assessments, and vendor cooperation for long-term protection.

Patching and Updates

Keep systems up to date with the latest software patches to mitigate known vulnerabilities effectively.