Malicious Code Injection in outer_eagle_z3n Package: npm Vulnerability Summary
Summary
MAL-2025-122427: Malicious code in outer_eagle_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The outer_eagle_z3n package is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package is designed to facilitate the automatic generation and publication of derivative packages, which can inflate developer reputation scores for token rewards. However, it has been identified as containing malicious code that modifies package metadata and repopulates the npm registry with harmful variants.
Vulnerability Detail
The vulnerability in the outer_eagle_z3n package stems from its malicious payload, which alters the package.json file by removing private flags, changing version numbers, and generating random package names. This behavior is intended to pollute the npm registry and can lead to significant security risks, including the potential for dependency confusion and exploitation of other projects that rely on these packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall outer_eagle_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 outer_eagle_z3n package and any packages that depend on it. Additionally, consider using a tool like Vulert to monitor your package-lock.json for vulnerabilities in real-time. You can check if your application is affected by this vulnerability using the Vulert playground at https://vulert.com/scanner without any signup.
Conclusion
The outer_eagle_z3n package has been identified as containing malicious code that poses a significant risk to projects using it. Immediate action is required to remove this package and monitor for any potential impacts on your application. Utilizing tools like Vulert can help maintain the security of your dependencies.
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FAQ
The outer_eagle_z3n package is an npm package associated with the tea.xyz token reward campaign, designed to generate and publish derivative packages.
The vulnerability can lead to the pollution of the npm registry, potentially introducing malicious packages into your project and compromising security.
You should uninstall the outer_eagle_z3n package immediately using the command 'npm uninstall outer_eagle_z3n' and check for any affected dependencies.
Yes, you can use Vulert, which monitors your package-lock.json for vulnerabilities in real-time. You can check your application using the Vulert playground.
It is advisable to keep an eye on updates from the package maintainers. If a patched version is released, you should update your package to the latest version.
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