Malicious Code Injection in iwan-lengko55-ruro Package
Summary
MAL-2025-104456: Malicious code in iwan-lengko55-ruro (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The iwan-lengko55-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.
Vulnerability Detail
The vulnerability in the iwan-lengko55-ruro package stems from its malicious payload that modifies the package.json file to remove private flags and alters version numbers. It generates random package names, primarily themed around Indonesian culture, and continuously republishes these variants to pollute the npm registry. This behavior not only affects the integrity of the npm ecosystem but also poses risks to developers who may unknowingly use these compromised packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall iwan-lengko55-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, avoid using the iwan-lengko55-ruro package and consider using alternative packages that provide similar functionality without the associated risks.
Conclusion
The iwan-lengko55-ruro package contains malicious code that compromises the integrity of the npm ecosystem. It is crucial to remove this package from your projects and monitor for similar vulnerabilities using tools like Vulert. Staying vigilant and informed can help protect your applications from such threats.
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FAQ
The iwan-lengko55-ruro package is an npm package involved in the tea.xyz token reward campaign, designed to generate and publish derivative packages.
The malicious code modifies your package.json file, removes private flags, and can lead to the proliferation of compromised packages in the npm registry.
If you have installed the iwan-lengko55-ruro package, you should uninstall it immediately using 'npm uninstall iwan-lengko55-ruro'.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in your software using just the package-lock.json file. You can check your application for vulnerabilities using the Vulert playground without any signup.
Regularly audit your dependencies, use tools like Vulert for real-time monitoring, and stay informed about known vulnerabilities in the packages you use.
