Malicious Code Injection in empirical_aardwolf_z3n: A Threat to npm Ecosystem
Summary
MAL-2025-94235: Malicious code in empirical_aardwolf_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package 'empirical_aardwolf_z3n' is part of the npm ecosystem, which is widely used for JavaScript package management. This package was identified as part of a malicious campaign aimed at inflating developer reputation scores through the automatic generation and publication of derivative packages. Its functionality is compromised, making it a vector for malicious activities.
Vulnerability Detail
The vulnerability in 'empirical_aardwolf_z3n' originates from its association with a token reward campaign that floods the npm registry with malicious packages. The malicious payload modifies the package.json file to remove private flags, alters version numbers, and generates random package names, leading to the pollution of the npm registry. This can result in developers unknowingly using compromised packages, potentially exposing their applications to further vulnerabilities.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall empirical_aardwolf_z3n
If 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 'empirical_aardwolf_z3n' package and replace it with a trusted alternative. Always verify the integrity of packages before installation.
Conclusion
The 'empirical_aardwolf_z3n' package poses a significant risk due to its malicious code designed to manipulate the npm registry. It is crucial for developers to remove this package from their projects and to utilize tools like Vulert for ongoing vulnerability monitoring.
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FAQ
'empirical_aardwolf_z3n' is an npm package that has been identified as part of a malicious campaign to inflate developer reputation scores.
The vulnerability can lead to the use of compromised packages, which may introduce security risks and instability in your application.
If you have installed 'empirical_aardwolf_z3n', you should uninstall it immediately using 'npm uninstall empirical_aardwolf_z3n'.
You can use tools like Vulert, which monitors your package-lock.json file to alert you in real-time for open-source vulnerabilities.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.