Malicious Code Injection in mulyono-lapis1-remi Package
Summary
MAL-2025-106014: Malicious code in mulyono-lapis1-remi (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The mulyono-lapis1-remi 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, often with randomized names. Its functionality is compromised due to the presence of malicious code that modifies package metadata, leading to potential abuse in the npm registry.
Vulnerability Detail
The vulnerability stems from the malicious code embedded within the mulyono-lapis1-remi package. This code is designed to alter the package.json file by removing private flags, changing version numbers, and generating random package names. The result is a continuous republishing of these variants, which pollutes the npm registry and can inflate developer reputation scores fraudulently. This poses significant risks, including the potential for dependency confusion and the spread of malicious packages within the ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall mulyono-lapis1-remiIf 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-lapis1-remi package altogether. If it is a dependency of another package, consider using alternative packages that do not have this vulnerability. Additionally, you can monitor your package-lock.json file for any changes that may indicate the presence of malicious packages.
Conclusion
The mulyono-lapis1-remi package contains malicious code that poses significant risks to projects using it. It is crucial to uninstall this package and monitor your dependencies for any vulnerabilities. Utilizing tools like Vulert can help maintain the security of your applications.
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FAQ
The mulyono-lapis1-remi package 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 allow malicious actors to exploit your project by introducing unwanted dependencies.
You should uninstall the mulyono-lapis1-remi package immediately and check for any dependencies that may rely on it.
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 any signup.
