Malicious Code Injection in mutaus-manasipas-butysd: A Threat to npm Ecosystem
Summary
MAL-2025-161074: Malicious code in mutaus-manasipas-butysd (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package 'mutaus-manasipas-butysd' is part of a series of npm packages associated with the tea.xyz token reward campaign. These packages are designed to automate the generation and publication of derivative packages, often with randomized names, to inflate developer reputation scores for token rewards. This behavior poses a significant risk to the integrity of the npm registry and the developers who rely on it.
Vulnerability Detail
The vulnerability stems from malicious code embedded within the 'mutaus-manasipas-butysd' package. This code modifies the package.json file to remove private flags, alters version numbers, and generates random package names, leading to the continuous republishing of these variants. The ramifications include pollution of the npm registry, potential security risks for developers using these packages, and a compromised reputation system within the npm ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall mutaus-manasipas-butysdIf 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 'mutaus-manasipas-butysd' package and any other packages associated with the tea.xyz token reward campaign. Additionally, consider using tools like Vulert to monitor your project for vulnerabilities. You can check if your application is affected by this vulnerability using the Vulert playground at https://vulert.com/scanner without any signup.
Conclusion
The 'mutaus-manasipas-butysd' package poses a significant threat to the npm ecosystem due to its malicious code designed to manipulate package metadata and inflate developer reputation scores. It is crucial for developers to remove this package and utilize monitoring tools like Vulert to safeguard their projects against such vulnerabilities.
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FAQ
It is an npm package that is part of a malicious campaign to inflate developer reputation scores through automated package publishing.
The vulnerability can lead to the pollution of the npm registry and may introduce security risks if your project inadvertently uses these malicious packages.
You should immediately remove the package from your project and monitor for any further vulnerabilities using tools like Vulert.
Regularly audit your dependencies, use tools like Vulert for real-time monitoring, and stay informed about known vulnerabilities in the npm ecosystem.
Yes, you can use the Vulert playground at Vulert Scanner to check your application for vulnerabilities without needing to sign up.
