Malicious Code Injection in noble_lemming_z3n Package
Summary
MAL-2025-106361: Malicious code in noble_lemming_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The noble_lemming_z3n package is part of the npm ecosystem, primarily used for various JavaScript applications. It is often involved in token reward campaigns, which can lead to the proliferation of malicious packages. This specific package has been identified as part of a larger scheme to manipulate the npm registry by generating and publishing derivative packages with altered metadata.
Vulnerability Detail
The vulnerability in the noble_lemming_z3n package stems from its association with a malicious campaign that modifies the package.json file to remove private flags, alters version numbers, and generates random package names. This behavior is designed to inflate developer reputation scores and pollute the npm registry with unwanted packages. The malicious payload can lead to security risks, including the potential for unauthorized access to sensitive data and the compromise of application integrity.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall noble_lemming_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 remove the noble_lemming_z3n package from your project by executing the following command: npm uninstall noble_lemming_z3n. This will prevent any malicious code from executing until a proper fix is implemented.
Conclusion
The noble_lemming_z3n package has been identified as containing malicious code that can compromise the security of applications using it. It is crucial to take immediate action by updating or removing the package to protect your project from potential threats.
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FAQ
The noble_lemming_z3n package is an npm package that has been identified as part of a malicious campaign to manipulate the npm registry.
This vulnerability can lead to unauthorized modifications of your application's dependencies, potentially compromising its security and integrity.
You should immediately update or uninstall the package to mitigate the risks associated with this vulnerability.
Yes, you can use Vulert, which monitors your package-lock.json file for open-source vulnerabilities in real-time without requiring code access or installation.
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