Malicious Code Injection in mulyono-soto55-ruro Package: A Threat to npm Ecosystem
Summary
MAL-2025-106030: Malicious code in mulyono-soto55-ruro (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The mulyono-soto55-ruro package is part of the npm ecosystem, which is widely used for JavaScript package management. This package is associated with the tea.xyz token reward campaign, which has been known to flood the npm registry with malicious packages. The primary functionality of this package is to serve as a token reward mechanism, but it has been compromised to include harmful scripts that manipulate package metadata.
Vulnerability Detail
The vulnerability in the mulyono-soto55-ruro package originates from its association with a malicious campaign that employs autopublish scripts to generate and publish derivative packages with randomized names. This behavior is designed to inflate developer reputation scores for token rewards, but it also modifies the package.json file by removing private flags, changing version numbers, and continuously republishing variants. The ramifications include pollution of the npm registry, potential security risks for developers using the package, and a compromised development environment.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall mulyono-soto55-ruro
If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a workaround, you can temporarily avoid using the mulyono-soto55-ruro package and look for alternative packages that provide similar functionality without the associated risks. Additionally, you can monitor your project for any dependencies that may have been affected by this vulnerability.
Conclusion
The mulyono-soto55-ruro package poses a significant threat to the npm ecosystem due to its malicious code that manipulates package metadata. It is crucial for developers to remove this package and monitor their projects for vulnerabilities. Utilizing tools like Vulert can help in maintaining the security of your applications.
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FAQ
The mulyono-soto55-ruro package is an npm package linked to the tea.xyz token reward campaign, which has been compromised to include malicious code.
This vulnerability can lead to the pollution of the npm registry and may compromise the security of your development environment by introducing malicious scripts.
You should remove the mulyono-soto55-ruro package from your project immediately and monitor for any updates or patches.
Yes, you can use tools like Vulert, which monitors your package-lock.json file for open-source vulnerabilities in real-time 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 needing to sign up.