Malicious Code Injection in intensive_macaw_z3n Package
Summary
MAL-2025-104313: Malicious code in intensive_macaw_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The intensive_macaw_z3n package is part of the npm ecosystem, which is widely used for JavaScript package management. This package, like many others, is intended to facilitate the development of applications by providing reusable code. However, it has been identified as part of a malicious campaign that exploits npm's publishing mechanisms, leading to significant security risks for developers and their applications.
Vulnerability Detail
The vulnerability stems from the package being involved in a token reward campaign that floods the npm registry with malicious packages. It contains scripts designed to automatically generate and publish derivative packages with randomized names, effectively polluting the npm registry. The malicious payload modifies the package.json file to remove private flags, alters version numbers, and continuously republishes variants, which can lead to reputation inflation for malicious actors and potential security risks for users of the package.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall intensive_macaw_z3nIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a workaround, you can temporarily avoid using the intensive_macaw_z3n package and monitor your application for any dependencies that may have been affected. You can also use tools like Vulert to scan your package-lock.json file for vulnerabilities. Here’s how to use Vulert: Visit https://vulert.com/scanner and upload your package-lock.json file to check for any vulnerabilities.
Conclusion
The intensive_macaw_z3n package poses a significant security risk due to its involvement in a malicious campaign that exploits npm's publishing system. It is crucial for developers to remove this package and monitor their applications for vulnerabilities to maintain security and integrity.
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FAQ
The intensive_macaw_z3n package is an npm package that has been identified as part of a malicious campaign to inflate developer reputation scores through the publication of derivative packages.
The malicious code can lead to the pollution of the npm registry, potentially introducing security vulnerabilities into your application and affecting its integrity.
If you have installed the intensive_macaw_z3n package, you should uninstall it immediately and check your project for any other affected dependencies.
You can use Vulert to monitor your project for vulnerabilities by analyzing your package-lock.json file. This tool provides real-time alerts for open-source vulnerabilities.
To prevent future vulnerabilities, regularly audit your dependencies, use tools like Vulert for monitoring, and stay updated on security advisories related to the packages you use.
