Malicious Code Injection in mulyono-lapis34-breki Package
Summary
MAL-2025-74464: Malicious code in mulyono-lapis34-breki (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The mulyono-lapis34-breki 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 compromised to include malicious scripts that alter package metadata and republish variants to the npm registry, leading to potential security risks.
Vulnerability Detail
The vulnerability originates from the malicious code embedded within the mulyono-lapis34-breki package. This code modifies the package.json file by removing private flags, changing version numbers, and generating random package names. The continuous republishing of these variants can pollute the npm registry, making it difficult for developers to identify legitimate packages. The ramifications include compromised developer reputations, potential data breaches, and the spread of malicious software within the npm ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall mulyono-lapis34-breki
If 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-lapis34-breki package and look for alternative packages that provide similar functionality without the associated risks. Additionally, consider using tools like Vulert to monitor your project for vulnerabilities in real-time.
Conclusion
The mulyono-lapis34-breki package contains malicious code that poses significant risks to developers and their projects. It is crucial to remove this package and monitor for vulnerabilities to maintain the integrity of your software. Utilizing tools like Vulert can help in identifying and mitigating such risks effectively.
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FAQ
It is an npm package associated with the tea.xyz token reward campaign, designed to generate and publish derivative packages.
The malicious code modifies your package.json file and can lead to the pollution of the npm registry, affecting the integrity of your project.
You should uninstall the mulyono-lapis34-breki package immediately and monitor your project for any further vulnerabilities.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time using just your package-lock.json file.
Yes, you can use the Vulert playground at Vulert Scanner to check for vulnerabilities in your application without requiring any signup.