Malicious Code Injection in mutdaufs-nabutafidaya-butysd Package
Summary
MAL-2025-161143: Malicious code in mutdaufs-nabutafidaya-butysd (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The mutdaufs-nabutafidaya-butysd 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 code that compromises its integrity and the security of the npm registry.
Vulnerability Detail
The vulnerability originates from the malicious design of the mutdaufs-nabutafidaya-butysd package, which includes scripts that modify the package.json file to remove private flags, alter version numbers, and generate random package names. This behavior leads to the continuous republishing of variants, polluting the npm registry and potentially harming developers who rely on the integrity of npm packages. The malicious payload can also affect the reputation of legitimate developers and projects.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall mutdaufs-nabutafidaya-butysdIf 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 mutdaufs-nabutafidaya-butysd package altogether. If it is already included in your project, remove it by running: npm uninstall mutdaufs-nabutafidaya-butysd. Additionally, consider using Vulert to monitor your project for vulnerabilities in real-time.
Conclusion
The mutdaufs-nabutafidaya-butysd package poses a significant security risk due to its malicious code that alters package metadata and floods the npm registry. It is crucial for developers to remove this package and monitor their projects for vulnerabilities using tools like Vulert.
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FAQ
It is an npm package associated with the tea.xyz token reward campaign, designed to generate and publish derivative packages.
The vulnerability can lead to the pollution of the npm registry and compromise the integrity of your project's dependencies.
You should uninstall the package immediately and monitor your project for any further vulnerabilities.
Currently, there is no patched version available. It is best to remove the package until a fix is released.
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