CVE-2020-7681 Explained : Impact and Mitigation

This CVE-2020-7681 article provides insights into a directory traversal vulnerability affecting the 'marscode' package.

Understanding CVE-2020-7681

This section delves into the details of the CVE-2020-7681 vulnerability.

What is CVE-2020-7681?

CVE-2020-7681 is a directory traversal vulnerability that impacts all versions of the 'marscode' package. It arises due to the absence of path sanitization in the path provided at fs.readFile in index.js.

The Impact of CVE-2020-7681

The vulnerability has a high severity level with a CVSS base score of 7.5, affecting confidentiality.

Technical Details of CVE-2020-7681

This section covers the technical aspects of CVE-2020-7681.

Vulnerability Description

The vulnerability allows an attacker to traverse directories and potentially access sensitive information.

Affected Systems and Versions

Product: marscode
Versions: Custom version 0

Exploitation Mechanism

The lack of path sanitization in fs.readFile in index.js enables attackers to manipulate file paths and access unauthorized directories.

Mitigation and Prevention

Explore the mitigation strategies for CVE-2020-7681.

Immediate Steps to Take

Implement input validation to sanitize file paths.
Update the 'marscode' package to a patched version.

Long-Term Security Practices

Regularly audit and review file access permissions.
Conduct security training to raise awareness of directory traversal attacks.

Patching and Updates

Apply security patches provided by the 'marscode' package maintainers.