Malicious Code Injection in mutaus-manasips-butysd Package
Summary
MAL-2025-161079: Malicious code in mutaus-manasips-butysd (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The mutaus-manasips-butysd package is part of the npm ecosystem, primarily used for various JavaScript functionalities. However, it has been identified as part of a malicious campaign that floods the npm registry with derivative packages. This package, like others in the campaign, is designed to manipulate developer reputation scores through automated publishing of variants with randomized names.
Vulnerability Detail
The vulnerability in the mutaus-manasips-butysd package stems from its association with a malicious campaign that modifies the package.json file to remove private flags and change version numbers. It generates random package names, often themed around Indonesian culture, and continuously republishes these variants to pollute the npm registry. This not only compromises the integrity of the npm ecosystem but also poses risks to developers who may unknowingly use these packages, potentially leading to security breaches and loss of trust in the npm registry.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall mutaus-manasips-butysdIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary measure, avoid using the mutaus-manasips-butysd package and consider using alternative packages that provide similar functionality without the associated risks. Regularly audit your package dependencies using tools like npm audit.
Conclusion
The mutaus-manasips-butysd package poses a significant risk due to its malicious nature, which affects the integrity of the npm ecosystem. It is essential to remove this package from your projects and monitor your dependencies for vulnerabilities to maintain a secure development environment.
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FAQ
The mutaus-manasips-butysd package is an npm package that has been identified as part of a malicious campaign aimed at inflating developer reputation scores through automated publishing.
Using the mutaus-manasips-butysd package can compromise the integrity of your project, potentially leading to security breaches and the introduction of malicious code.
You should uninstall the mutaus-manasips-butysd package immediately and audit your project for any other potentially malicious dependencies.
You can use tools like npm audit or services like Vulert, which monitors your package-lock.json file for vulnerabilities in real-time without requiring code access.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
