Malicious Code Injection in maya-kupang40-breki Package
Summary
MAL-2025-74400: Malicious code in maya-kupang40-breki (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The maya-kupang40-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. However, it has been identified as containing malicious code that compromises the integrity of the npm registry.
Vulnerability Detail
The vulnerability in the maya-kupang40-breki package stems from its malicious payload, which modifies the package.json file to remove private flags, alters version numbers, and generates random package names. This behavior is intended to pollute the npm registry by continuously republishing variants of the package. The origin of this vulnerability is linked to the tea.xyz token reward campaign, which has been known to flood npm with similar malicious packages. The ramifications include potential security risks for developers and users relying on the integrity of the npm registry.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall maya-kupang40-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 prevent the installation of this malicious package by using npm's package-lock.json file to monitor dependencies. Ensure that your project does not include maya-kupang40-breki in its dependencies.
Conclusion
The maya-kupang40-breki package poses a significant security risk due to its malicious code designed to manipulate the npm registry. It is crucial for developers to be vigilant about the packages they use and to take immediate action to remove any identified vulnerabilities. Utilizing tools like Vulert can help maintain the security of your projects.
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FAQ
The maya-kupang40-breki package is an npm package associated with the tea.xyz token reward campaign, designed to generate and publish derivative packages.
The vulnerability can lead to the pollution of the npm registry and compromise the integrity of your project's dependencies, potentially introducing security risks.
If you have installed the maya-kupang40-breki package, it is advisable to remove it immediately and check for any other affected packages in your project.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time using just your package-lock.json file. You can check your application for vulnerabilities without any signup at the Vulert playground.
Regularly update your dependencies, monitor for vulnerabilities using tools like Vulert, and review your package-lock.json file to ensure no malicious packages are included.
