Malicious Code Injection in experimental_beaver_dumbs Package
Summary
MAL-2025-102391: Malicious code in experimental_beaver_dumbs (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The experimental_beaver_dumbs package is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package is designed to facilitate the automatic generation and publication of derivative packages, which can inflate developer reputation scores for token rewards. However, it has been identified as containing malicious scripts that compromise its integrity and the npm registry.
Vulnerability Detail
The vulnerability originates from the inclusion of malicious code within the experimental_beaver_dumbs package. This code modifies the package.json file by removing private flags, altering version numbers, and generating random package names. The scripts are designed to continuously republish these variants, leading to pollution of the npm registry and potential exploitation of developers who may unknowingly use these compromised packages. The ramifications include loss of control over package management, potential security breaches, and damage to developer reputation.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall experimental_beaver_dumbsIf 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 experimental_beaver_dumbs package and monitor your project for any dependencies that may have been affected by this malicious code. Regularly check your package-lock.json file for any unexpected changes or additions.
Conclusion
The experimental_beaver_dumbs package has been identified as containing malicious code that compromises its integrity and the npm registry. It is crucial for developers to uninstall this package and monitor their projects for vulnerabilities. Utilizing tools like Vulert can help maintain the security of your software.
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FAQ
It is an npm package associated with the tea.xyz token reward campaign, designed to automate the generation and publication of derivative packages.
The malicious code modifies your package.json file, removes private flags, and can lead to the republishing of compromised packages, potentially harming your project's integrity.
You should uninstall the experimental_beaver_dumbs package immediately using the command: npm uninstall experimental_beaver_dumbs.
Regularly update your dependencies, use trusted packages, and monitor your project with tools like Vulert to detect vulnerabilities in real-time.
Vulert is a tool that monitors and alerts for open-source vulnerabilities in your software using just the package-lock.json file. You can check your application for vulnerabilities without needing to install anything by using the Vulert playground.
