Malicious Code Injection in mulyono-pecel84-breki: npm Package Vulnerability
Summary
MAL-2025-74482: Malicious code in mulyono-pecel84-breki (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The mulyono-pecel84-breki 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 function of this package is to serve as a component in the ecosystem of token rewards, but it has been compromised to include harmful scripts that manipulate package metadata.
Vulnerability Detail
The vulnerability originates from the malicious intent behind the mulyono-pecel84-breki package, which contains scripts designed to automatically generate and publish derivative packages with randomized names. These scripts modify the package.json file to remove private flags, alter version numbers, and continuously republish variants to pollute the npm registry. This can lead to inflated developer reputation scores and potentially expose users to further malicious activities.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall mulyono-pecel84-brekiIf 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-pecel84-breki package altogether. If it is a dependency of another package, consider removing that package or replacing it with a safer alternative. Additionally, you can monitor your project for vulnerabilities using tools like Vulert, which analyzes your package-lock.json file for real-time alerts on open-source vulnerabilities.
Conclusion
The mulyono-pecel84-breki package has been identified as containing malicious code that can compromise your project's integrity. It is essential to remove this package and monitor your dependencies for vulnerabilities. Utilizing tools like Vulert can help you stay informed about potential threats in your software.
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FAQ
It is an npm package associated with the tea.xyz token reward campaign, which has been compromised to include malicious code.
The vulnerability can lead to the modification of your package.json file, potentially exposing your project to further malicious activities and polluting the npm registry.
You should uninstall the mulyono-pecel84-breki package immediately and monitor your project for any other vulnerabilities.
Yes, you can use Vulert to monitor your package-lock.json file for real-time alerts on open-source vulnerabilities without needing to access the code or install anything.
You can refer to the official GitHub repository or the Vulert platform for detailed insights and updates regarding vulnerabilities.
