Malicious Code Injection in mutaus-manis-nubl Package
Summary
MAL-2025-161087: Malicious code in mutaus-manis-nubl (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The mutaus-manis-nubl package is part of the npm ecosystem, typically used for various JavaScript applications. It is associated with the tea.xyz token reward campaign, which has been known to flood the npm registry with packages that manipulate developer reputation scores. This package, like others in the campaign, is designed to generate and publish derivative packages automatically, leading to potential security risks.
Vulnerability Detail
The vulnerability in the mutaus-manis-nubl package originates from its malicious intent to modify the package.json file by removing private flags and altering 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 significant ramifications, including the compromise of developer environments and 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 mutaus-manis-nublIf 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 mutaus-manis-nubl by checking your package-lock.json and removing any references to it.
Conclusion
The mutaus-manis-nubl package poses a significant security risk due to its malicious code that alters package configurations and floods the npm registry. It is crucial to remove this package from your projects and monitor for similar vulnerabilities using tools like Vulert.
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FAQ
The mutaus-manis-nubl package is an npm package associated with the tea.xyz token reward campaign, known for flooding the npm registry with malicious packages.
This vulnerability can compromise your project's integrity by modifying package configurations and introducing unwanted packages, potentially leading to security risks.
If you have installed the mutaus-manis-nubl package, you should uninstall it immediately using 'npm uninstall mutaus-manis-nubl' and check for any affected dependencies.
Yes, you can use tools like Vulert, which monitors your package-lock.json file for open-source vulnerabilities in real-time without requiring code access or installation.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
