Malicious Code Injection in prominent_kangaroo_z3n Package
Summary
MAL-2025-96056: Malicious code in prominent_kangaroo_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The prominent_kangaroo_z3n package is part of the npm ecosystem, often used in JavaScript projects for various functionalities. However, it has been identified as part of a malicious campaign that floods the npm registry with derivative packages. This package is designed to inflate developer reputation scores through automated scripts that publish numerous variants of itself, leading to potential security risks for users.
Vulnerability Detail
The vulnerability originates from the package being involved in a token reward campaign that utilizes autopublish scripts to generate and publish numerous derivative packages with randomized names. This malicious behavior modifies the package.json file to remove private flags, alters version numbers, and continuously republishes variants, which can lead to pollution of the npm registry and compromise the integrity of the software relying on this package.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall prominent_kangaroo_z3nIf 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 prominent_kangaroo_z3n package and look for alternative packages that provide similar functionality without the associated risks. Additionally, you can monitor your package dependencies using tools like Vulert, which can alert you to vulnerabilities in real-time.
Conclusion
The prominent_kangaroo_z3n package poses a significant security risk due to its involvement in a malicious campaign that modifies package metadata and floods the npm registry. It is crucial for developers to remove this package and monitor their dependencies for vulnerabilities using tools like Vulert.
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FAQ
It is an npm package that has been identified as part of a malicious campaign to inflate developer reputation scores through automated publishing.
The vulnerability can lead to the pollution of the npm registry and compromise the integrity of your project by introducing malicious code.
You should uninstall the prominent_kangaroo_z3n package immediately and check for any alternative packages that are safe to use.
You can use tools like Vulert, which allows you to monitor and alert for open-source vulnerabilities in your software without requiring access to the code.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
Habilume
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Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
