Malicious Code Injection in joni-klanting46-breki: A Threat to npm Packages
Summary
MAL-2025-73806: Malicious code in joni-klanting46-breki (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package joni-klanting46-breki is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package is designed to manipulate the npm registry by generating and publishing derivative packages with randomized names. It aims to inflate developer reputation scores for rewards associated with the tea protocol, making it a potential vector for malicious activities.
Vulnerability Detail
The vulnerability in joni-klanting46-breki stems from its malicious payload, which modifies the package.json file to remove private flags and alters version numbers. It generates random package names, often themed around Indonesian culture, and continuously republishes these variants to pollute the npm registry. This behavior can lead to reputation damage for developers and compromise the integrity of the npm ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall joni-klanting46-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 joni-klanting46-breki package and replace it with a trusted alternative. Always validate the packages you include in your project to ensure they do not contain malicious code.
Conclusion
The joni-klanting46-breki package poses a significant risk due to its malicious behavior aimed at manipulating the npm registry. It is crucial for developers to be vigilant about the packages they use and to employ tools like Vulert for monitoring vulnerabilities. Taking immediate action to remove affected packages and regularly updating dependencies can help maintain the security of your projects.
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FAQ
The joni-klanting46-breki package is an npm package associated with the tea.xyz token reward campaign, designed to manipulate the npm registry.
This vulnerability can compromise the integrity of your project by introducing malicious code and affecting your developer reputation.
You should uninstall the joni-klanting46-breki package immediately and review your project for any other potentially malicious dependencies.
Yes, tools like Vulert can monitor your project for open-source vulnerabilities using just the package-lock.json file, providing real-time alerts.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
