Malicious Code Injection in impressive_haddock_z3n: A Threat to npm Packages
Summary
MAL-2025-94961: Malicious code in impressive_haddock_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The 'impressive_haddock_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 and sharing of code. However, it has been identified as part of a malicious campaign that exploits npm's publishing capabilities to inflate developer reputation scores through the creation of numerous derivative packages.
Vulnerability Detail
The vulnerability in 'impressive_haddock_z3n' originates from its association with a malicious campaign that floods the npm registry with derivative packages. These packages contain scripts designed to modify the package.json file by removing private flags, altering version numbers, and generating random package names. This not only pollutes the npm registry but also poses a risk to developers who may unknowingly use these compromised packages, potentially leading to security breaches in their applications.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall impressive_haddock_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 'impressive_haddock_z3n' package and look for alternative packages that provide similar functionality without the associated risks. Additionally, you can use the following command to uninstall the package: npm uninstall impressive_haddock_z3n.
Conclusion
The 'impressive_haddock_z3n' package poses a significant security risk due to its malicious code that modifies package.json and floods the npm registry. It is essential to remove this package from your projects and monitor for vulnerabilities using tools like Vulert to ensure the security of your applications.
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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 by flooding the npm registry with derivative packages.
Using the compromised package can lead to security risks, including the potential exposure of sensitive data and the introduction of malicious code into your application.
You should immediately uninstall the 'impressive_haddock_z3n' package and check for any alternative packages that do not pose security risks.
You can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities in your software by analyzing your package-lock.json file.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected without requiring any signup.
