Malicious Code Injection in mulyono-ubi70-ruro Package
Summary
MAL-2025-106034: Malicious code in mulyono-ubi70-ruro (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The mulyono-ubi70-ruro 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 package's malicious payload, which modifies the package.json file to remove private flags, alters version numbers, and generates random package names. This behavior leads to the continuous republishing of variants, polluting the npm registry and potentially affecting other developers and users relying on legitimate packages. The malicious scripts (auto.js, autopublish.js, etc.) are designed to automate these processes, making it difficult to trace the source of the issue.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall mulyono-ubi70-ruroIf 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 remove the mulyono-ubi70-ruro package from your project if it is not essential. Use the following command to uninstall it: npm uninstall mulyono-ubi70-ruro. Additionally, consider using tools like Vulert to monitor your project for vulnerabilities in real-time.
Conclusion
The mulyono-ubi70-ruro package has been identified as containing malicious code that poses a significant risk to developers and users within the npm ecosystem. It is crucial to take immediate action by updating or removing the package and utilizing monitoring tools like Vulert to safeguard your projects.
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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 vulnerability can lead to the pollution of the npm registry and may compromise the integrity of your project by introducing malicious code.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
If you cannot update the package, consider removing it from your project and using alternative packages that do not have known vulnerabilities.
Regularly monitor your dependencies using tools like Vulert, and keep your packages updated to the latest versions to mitigate risks.
