CVE-2021-26275 : What You Need to Know

Eslint-fixer package through 0.1.5 for Node.js is vulnerable to command injection via shell metacharacters. This vulnerability affects only products that are no longer maintained.

Understanding CVE-2021-26275

This CVE describes a command injection vulnerability in the eslint-fixer package for Node.js.

What is CVE-2021-26275?

The eslint-fixer package through version 0.1.5 allows attackers to execute arbitrary commands via shell metacharacters in the fix function. However, this vulnerability impacts only products that are no longer supported by the maintainer.

The Impact of CVE-2021-26275

Attackers can exploit this vulnerability to execute malicious commands on affected systems. It poses a serious security risk to systems using the vulnerable package.

Technical Details of CVE-2021-26275

This section provides a deeper insight into the vulnerability.

Vulnerability Description

The vulnerability in eslint-fixer package allows command injection through shell metacharacters in the fix function, enabling attackers to run arbitrary commands.

Affected Systems and Versions

The affected version is up to 0.1.5 of the eslint-fixer package for Node.js. Systems that use this version are at risk.

Exploitation Mechanism

By leveraging shell metacharacters, malicious actors can inject and execute arbitrary commands on systems running the vulnerable eslint-fixer package.

Mitigation and Prevention

Protect your systems from CVE-2021-26275 through the following measures.

Immediate Steps to Take

Update: If possible, update to a patched version of the eslint-fixer package to mitigate the vulnerability.

Long-Term Security Practices

Dependency Monitoring: Regularly monitor dependencies for security advisories and updates to stay protected against known vulnerabilities.

Patching and Updates

Vendor Updates: Keep track of vendor announcements and security advisories to promptly apply patches and updates for vulnerable packages.