Malicious Code Vulnerability in liberal_eagle_z3n: Exploitation of npm Registry
Summary
MAL-2025-98789: Malicious code in liberal_eagle_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package liberal_eagle_z3n is part of a broader set of malicious packages that emerged during the tea.xyz token reward campaign. These packages are designed to inflate developer reputation scores by automatically generating and publishing derivative packages with randomized names. This behavior not only clutters the npm registry but also poses security risks to developers who may unknowingly integrate these packages into their projects.
Vulnerability Detail
The vulnerability in liberal_eagle_z3n stems from its malicious payload, which modifies the package.json file by removing private flags, altering version numbers, and generating random package names. This behavior leads to the continuous republishing of variants, effectively polluting the npm registry. The origin of this vulnerability is linked to the tea.xyz token reward campaign, which incentivizes the creation of such packages to manipulate developer reputation scores. The ramifications include potential security risks for developers and users who may inadvertently use these compromised packages, leading to further exploitation.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall liberal_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 liberal_eagle_z3n package and replace it with a similar, trusted package that provides the same functionality without the associated risks.
Conclusion
The liberal_eagle_z3n package presents a significant security risk due to its malicious behavior aimed at manipulating npm registry reputation scores. Developers are advised to remove this package from their projects and utilize trusted alternatives. Regular monitoring for vulnerabilities is crucial to maintaining application security.
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FAQ
liberal_eagle_z3n is an npm package that has been identified as malicious, designed to inflate developer reputation scores through automated publishing of derivative packages.
The vulnerability can lead to the inclusion of malicious code in your project, potentially compromising security and functionality.
You should uninstall the liberal_eagle_z3n package immediately and replace it with a trusted alternative.
You can use tools like Vulert, which monitors your package-lock.json file for open-source vulnerabilities in real-time without requiring code access or installation.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
