Malicious Code Injection in putra-bubur49-breki Package
Summary
MAL-2025-74919: Malicious code in putra-bubur49-breki (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The putra-bubur49-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 identified as containing malicious code that compromises the integrity of the npm registry.
Vulnerability Detail
The vulnerability originates from a malicious payload embedded in the putra-bubur49-breki package. This payload modifies the package.json file by removing private flags, altering version numbers, and generating random package names, primarily themed around Indonesian culture. The malicious scripts (auto.js, autopublish.js, etc.) continuously republish these variants, leading to pollution of the npm registry and potential exploitation of developers' reputations.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall putra-bubur49-brekiIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary measure, you can avoid using the putra-bubur49-breki package and any other packages that may have been published as part of the tea.xyz campaign. Regularly audit your package-lock.json file to identify and remove any suspicious packages.
Conclusion
The putra-bubur49-breki package poses a significant risk due to its malicious code that alters package metadata and repopulates the npm registry with harmful variants. It is essential to remove this package and monitor your dependencies to maintain the integrity of your projects.
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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, potentially harming your project's reputation.
You should uninstall the putra-bubur49-breki package immediately and audit your dependencies for any other malicious packages.
You can use tools like Vulert, which monitors your package-lock.json file for open-source vulnerabilities in real-time without requiring code access.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
