Malicious Code Injection in joni-tiwul75-breki Package
Summary
MAL-2025-73839: Malicious code in joni-tiwul75-breki (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The joni-tiwul75-breki package is part of the npm ecosystem and has been identified as a component of the tea.xyz token reward campaign. This package is designed to automate the generation and publication of derivative packages, which can inflate developer reputation scores for token rewards. The package's functionality is compromised due to its malicious intent, leading to potential security risks for developers and users alike.
Vulnerability Detail
The vulnerability originates from the joni-tiwul75-breki package, which contains malicious code that modifies the package.json file. This code removes private flags, alters version numbers, and generates random package names, contributing to the pollution of the npm registry. The autopublish scripts included in the package are designed to continuously republish these variants, which can lead to a loss of trust in the npm ecosystem and potential exploitation of developers who unknowingly use these packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall joni-tiwul75-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 manually remove the joni-tiwul75-breki package from your project by running the following command: npm uninstall joni-tiwul75-breki. Additionally, consider using alternative packages that do not exhibit malicious behavior.
Conclusion
The joni-tiwul75-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 for developers to remove this package and monitor their projects for vulnerabilities to maintain the integrity of their applications.
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FAQ
The joni-tiwul75-breki package is an npm package that has been identified as part of a malicious campaign to inflate developer reputation scores through automated publishing.
This vulnerability can lead to the pollution of the npm registry, loss of trust in package integrity, and potential exploitation of your project if the malicious code is executed.
If you have installed the joni-tiwul75-breki package, it is crucial to uninstall it immediately and monitor your project for any unusual behavior.
You can use tools like Vulert, which monitors your package-lock.json file to alert you in real-time about open-source vulnerabilities in your software.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
