Malicious Code Injection in foolish_halibut-biggestdev Package
Summary
MAL-2025-102857: Malicious code in foolish_halibut-biggestdev (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The foolish_halibut-biggestdev 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 developers by generating and publishing numerous derivative packages. These packages are designed to manipulate developer reputation scores through token rewards, specifically for the tea.xyz protocol. The malicious nature of this package poses significant risks to developers and the integrity of the npm registry.
Vulnerability Detail
The vulnerability originates from the malicious code embedded within the foolish_halibut-biggestdev package. This code is designed to modify the package.json file by removing private flags, altering version numbers, and generating random package names that are often themed around Indonesian culture. The payload continuously republishes these variants to the npm registry, leading to pollution of the registry and potential security risks for developers who may unknowingly use these packages. The ramifications include compromised developer reputations and the potential for malicious code execution in dependent applications.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall foolish_halibut-biggestdevIf 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 foolish_halibut-biggestdev package and replace it with a trusted alternative. Always verify the integrity and source of packages before including them in your project.
Conclusion
The foolish_halibut-biggestdev package poses a significant security risk due to its malicious code designed to manipulate npm registry integrity. Developers are advised to uninstall this package immediately and adopt best practices for package management to safeguard their projects. Utilizing tools like Vulert can further enhance security by providing real-time vulnerability alerts.
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FAQ
It is an npm package that has been identified as part of a malicious campaign to manipulate developer reputation scores through token rewards.
The malicious code modifies your package.json file and can lead to the publication of unauthorized packages, potentially compromising your project's security.
You should uninstall the foolish_halibut-biggestdev package immediately using the command npm uninstall foolish_halibut-biggestdev.
Regularly audit your dependencies, use trusted sources for packages, and consider using tools like Vulert to monitor for vulnerabilities in real-time.
Vulert is a tool that monitors and alerts you in real-time for open-source vulnerabilities in your software using just the package-lock.json file. You can check for vulnerabilities without needing to sign up by using the Vulert playground.
