CVE-2022-3976 Explained : Impact and Mitigation

A vulnerability has been identified in MZ Automation libiec61850 that allows path traversal, classified as critical with a CVSS score of 5.5. Upgrading to version 1.5 is recommended to mitigate this issue.

Understanding CVE-2022-3976

This section provides insights into the vulnerability, its impact, technical details, and mitigation steps.

What is CVE-2022-3976?

The vulnerability in MZ Automation libiec61850 up to version 1.4 allows attackers to traverse file paths through the filename argument, impacting the MMS File Services component.

The Impact of CVE-2022-3976

With a CVSS base score of 5.5, this vulnerability poses a medium risk, allowing attackers to manipulate file paths and potentially access unauthorized files or directories.

Technical Details of CVE-2022-3976

Below are specific technical details regarding the vulnerability.

Vulnerability Description

The vulnerability arises from improper handling of the filename argument, leading to path traversal within the MMS File Services component.

Affected Systems and Versions

Versions 1.0 to 1.4 of MZ Automation libiec61850 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the filename argument to navigate outside the intended directory structure.

Mitigation and Prevention

Protecting your systems from CVE-2022-3976 requires immediate actions and long-term security practices.

Immediate Steps to Take

Upgrade affected systems to version 1.5 of MZ Automation libiec61850 to patch the path traversal vulnerability.

Long-Term Security Practices

Implement secure coding practices, regularly update software components, and conduct security assessments to prevent similar vulnerabilities.

Patching and Updates

Stay informed about security patches and updates released by vendors to ensure your systems are protected from known vulnerabilities.