Malicious Code Injection in empty_earwig_z3n Package
Summary
MAL-2025-94240: Malicious code in empty_earwig_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The empty_earwig_z3n package is part of the npm ecosystem, which is widely used for JavaScript package management. This package has been identified as part of a malicious campaign that aims to exploit the npm registry by flooding it with derivative packages. These packages are designed to inflate developer reputation scores through automated publishing scripts, making them a significant threat to the integrity of the npm ecosystem.
Vulnerability Detail
The vulnerability in the empty_earwig_z3n package stems from its association with a malicious campaign that modifies the package.json file to remove private flags and change version numbers. It generates random package names and continuously republishes variants, polluting the npm registry. This behavior can lead to security risks, such as the inadvertent installation of malicious code by developers who rely on the npm registry for trusted packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall empty_earwig_z3nIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary measure, you can avoid using the empty_earwig_z3n package and replace it with a known, secure alternative. Regularly monitor your package dependencies to ensure they do not include any malicious packages.
Conclusion
The empty_earwig_z3n package poses a significant security risk due to its malicious behavior of modifying package files and flooding the npm registry. It is crucial to remove this package from your project and monitor your dependencies to maintain the integrity of your applications.
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FAQ
The empty_earwig_z3n package is an npm package that has been identified as part of a malicious campaign aimed at flooding the npm registry with derivative packages.
This vulnerability can lead to the installation of malicious code, compromising the security of your project and potentially affecting your application's integrity.
If you have installed the empty_earwig_z3n package, you should uninstall it immediately and review your project's dependencies for any other potentially malicious packages.
You can use tools like Vulert, which monitors your package-lock.json file to alert you in real-time for open-source vulnerabilities. You can check your application using the Vulert playground without any signup.
There are no patches available for the empty_earwig_z3n package as it is recommended to remove it entirely from your project.
