Malicious Code Injection in wealthy_meadowlark_dumbs Package
Summary
MAL-2025-110770: Malicious code in wealthy_meadowlark_dumbs (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The wealthy_meadowlark_dumbs 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. However, it has been identified as containing malicious scripts that compromise its integrity and the security of the npm registry.
Vulnerability Detail
The vulnerability stems from the inclusion of malicious code within the wealthy_meadowlark_dumbs package. This code modifies the package.json file to remove private flags, alters version numbers, and generates random package names. The malicious payload continuously republishes these variants, leading to pollution of the npm registry and potential exploitation of developers who unknowingly use these compromised packages. The origin of this vulnerability is linked to a broader trend of malicious packages flooding the npm ecosystem, specifically targeting the tea protocol token rewards.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall wealthy_meadowlark_dumbs
If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary measure, you can avoid using the wealthy_meadowlark_dumbs package altogether. If you have already installed it, you can uninstall it using the command: 'npm uninstall wealthy_meadowlark_dumbs'. Additionally, consider using Vulert to monitor your project for vulnerabilities. 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 wealthy_meadowlark_dumbs package poses a significant security risk due to its malicious code that alters package metadata and repopulates the npm registry with compromised packages. It is crucial for developers to remove this package and monitor their projects for vulnerabilities to maintain security and integrity.
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FAQ
It is an npm package associated with the tea.xyz token reward campaign, designed to generate and publish derivative packages.
The malicious code modifies your package.json file, removes private flags, and can lead to the pollution of the npm registry, potentially compromising your project's security.
You should uninstall the wealthy_meadowlark_dumbs package immediately and monitor your project for any other vulnerabilities.
Regularly update your dependencies, use tools like Vulert to monitor for vulnerabilities, and be cautious when adding new packages from unknown sources.
You can use the Vulert playground at Vulert Scanner to check for vulnerabilities in your application without needing to sign up.