Malicious Code Injection in mus-btraa-nitru: A Threat to npm Ecosystem
Summary
MAL-2025-161001: Malicious code in mus-btraa-nitru (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
mus-btraa-nitru is an npm package that has been identified as part of a malicious campaign targeting the npm ecosystem. This package is associated with the tea.xyz token reward initiative, which aims to inflate developer reputation scores through the automatic generation and publication of derivative packages. The malicious nature of this package lies in its ability to alter package metadata and republish variants, thereby polluting the npm registry.
Vulnerability Detail
The vulnerability in mus-btraa-nitru originates from its design to execute autopublish scripts that modify the package.json file. This includes removing private flags, changing version numbers, and generating random package names, which can lead to the proliferation of malicious packages in the npm registry. The ramifications include potential security risks for developers who unknowingly install these packages, as they may contain harmful code or lead to reputation damage within the developer community.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall mus-btraa-nitruIf 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 mus-btraa-nitru and any packages that may have been published as derivatives. Monitor your package-lock.json file for any unexpected changes or additions that may indicate the presence of malicious packages.
Conclusion
The mus-btraa-nitru package poses a significant risk to the npm ecosystem due to its malicious functionality aimed at manipulating package metadata and proliferating harmful derivatives. It is essential for developers to remain vigilant, uninstall this package, and utilize tools like Vulert to monitor for vulnerabilities in their projects.
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FAQ
mus-btraa-nitru is an npm package involved in a malicious campaign that aims to inflate developer reputation scores through the automatic generation of derivative packages.
The vulnerability can lead to the installation of malicious code, which may compromise your project's security and integrity.
You should uninstall the package immediately using 'npm uninstall mus-btraa-nitru' and review your project for any other potentially malicious dependencies.
You can use tools like Vulert, which monitors your package-lock.json for open-source vulnerabilities in real-time. You can check your application using the Vulert playground without any signup.
No patches are available for mus-btraa-nitru as it is recommended to remove the package entirely due to its malicious nature.
