Malicious Code Injection in mulyono-kue58-ruro Package
Summary
MAL-2025-106013: Malicious code in mulyono-kue58-ruro (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The mulyono-kue58-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 scripts that compromise its integrity and the integrity of the npm registry.
Vulnerability Detail
The vulnerability originates from malicious code embedded within the mulyono-kue58-ruro package. This code modifies the package.json file to remove private flags, alters version numbers, and generates random package names, leading to the continuous republishing of these variants. This behavior not only pollutes the npm registry but also poses a risk to developers who may unknowingly use these compromised packages, potentially leading to security breaches in their applications.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall mulyono-kue58-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 avoid using the mulyono-kue58-ruro package and look for alternative packages that provide similar functionality without the associated risks.
Conclusion
The mulyono-kue58-ruro package contains malicious code that poses significant risks to developers and their applications. It is crucial to remove this package and monitor your projects for similar 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 automate the generation and publication of derivative packages.
The malicious code can modify your package.json file, remove private flags, and lead to the republishing of compromised packages, which can introduce security vulnerabilities.
You should uninstall the mulyono-kue58-ruro package immediately using the command 'npm uninstall mulyono-kue58-ruro'.
Yes, tools like Vulert can monitor and alert you in real-time for open-source vulnerabilities in your software without requiring code access or installation.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
