CVE-2022-41667 : Vulnerability Insights and Analysis

A CWE-22 vulnerability exists that allows adversaries with local user privileges to load a malicious DLL, leading to the execution of malicious code in Schneider Electric EcoStruxure Operator Terminal Expert and Pro-face BLUE versions prior to V3.3 Hotfix 1.

Understanding CVE-2022-41667

What is CVE-2022-41667?

The CVE-2022-41667 vulnerability is an Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') issue that permits local users to exploit a DLL loading flaw to execute malicious code.

The Impact of CVE-2022-41667

This vulnerability poses a high risk as it can be abused by attackers with local user privileges to execute arbitrary code, potentially leading to system compromise.

Technical Details of CVE-2022-41667

Vulnerability Description

The vulnerability arises from improper pathname limitation, allowing the loading of malicious DLLs and subsequent execution of unauthorized code.

Affected Systems and Versions

Vendor: Schneider Electric
Affected Products:
EcoStruxure Operator Terminal Expert (prior to V3.3 Hotfix 1)
Pro-face BLUE (prior to V3.3 Hotfix 1)

Exploitation Mechanism

Adversaries can exploit this vulnerability by leveraging local user privileges to load a malicious DLL, compromising system integrity and confidentiality.

Mitigation and Prevention

Immediate Steps to Take

To mitigate the risk posed by CVE-2022-41667, users should:

Apply security updates provided by Schneider Electric promptly
Monitor system activities for any suspicious behavior that may indicate exploitation

Long-Term Security Practices

Implement the following security best practices to enhance overall system security:

Regularly update and patch software to address known vulnerabilities
Restrict user privileges to limit the impact of potential attacks

Patching and Updates

Users are advised to update affected products to versions beyond V3.3 Hotfix 1 to remediate the CVE-2022-41667 vulnerability.