Malicious Code Injection in fine_rabbit_z3n Package
Summary
MAL-2025-102731: Malicious code in fine_rabbit_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The fine_rabbit_z3n package is part of the npm ecosystem, which is widely used for JavaScript package management. This package is associated with the tea.xyz token reward campaign, which has been linked to various malicious activities. It is designed to automate the generation and publication of derivative packages, potentially compromising the integrity of the npm registry.
Vulnerability Detail
The vulnerability in the fine_rabbit_z3n package stems from its malicious code that modifies the package.json file to remove private flags and change version numbers. It generates random package names, primarily themed around Indonesian culture, and continuously republishes these variants to inflate developer reputation scores. This behavior not only pollutes the npm registry but also poses a risk to developers who may unknowingly install these compromised packages, leading to potential security breaches in their applications.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall fine_rabbit_z3nIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, you can avoid using the fine_rabbit_z3n package and replace it with a trusted alternative. Additionally, you can use npm audit to check for vulnerabilities in your project and take necessary actions.
Conclusion
The fine_rabbit_z3n package poses a significant security risk due to its malicious code that alters package metadata and floods the npm registry with compromised packages. It is crucial for developers to remove this package and monitor their projects for vulnerabilities to maintain application security.
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FAQ
fine_rabbit_z3n is an npm package associated with the tea.xyz token reward campaign, which has been found to contain malicious code.
The malicious code modifies your package.json file, removes private flags, and generates random package names, potentially leading to security vulnerabilities in your application.
You can use the Vulert platform to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected without any signup.
If you have installed the fine_rabbit_z3n package, it is advisable to remove it immediately and check your project for any other vulnerabilities.
Yes, tools like Vulert can help monitor your dependencies for vulnerabilities in real-time, ensuring your application remains secure.
