Malicious Code Injection in labour_mockingbird_dumbs Package
Summary
MAL-2025-104968: Malicious code in labour_mockingbird_dumbs (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The labour_mockingbird_dumbs package is part of the npm ecosystem, often used in JavaScript projects. It is associated with the tea.xyz token reward campaign, which has been known to flood npm with packages that inflate developer reputation scores. This package, like others in the campaign, is designed to automatically generate and publish derivative packages, which can lead to significant pollution of the npm registry.
Vulnerability Detail
The vulnerability in the labour_mockingbird_dumbs package stems from its malicious code that modifies the package.json file. It removes private flags, alters version numbers, and generates random package names, which can lead to the proliferation of unwanted packages in the npm registry. This behavior not only compromises the integrity of the npm ecosystem but also poses risks to developers who may unknowingly use these compromised packages. The malicious payload is part of a broader strategy to exploit the npm registry for token rewards.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall labour_mockingbird_dumbsIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, consider using a package manager that allows you to lock down your dependencies and avoid using the labour_mockingbird_dumbs package until a fix is available. You can also monitor your package-lock.json file for any changes that may indicate the presence of this malicious package.
Conclusion
The labour_mockingbird_dumbs package contains malicious code that poses a significant risk to the npm ecosystem and developers. It is crucial to remove this package from your projects and monitor for any potential vulnerabilities using tools like Vulert. Staying informed and proactive can help mitigate the risks associated with such vulnerabilities.
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FAQ
It is an npm package associated with the tea.xyz token reward campaign, known for flooding the npm registry with malicious packages.
The vulnerability can lead to the proliferation of unwanted packages, compromising the integrity of your project and potentially introducing security risks.
You should uninstall the labour_mockingbird_dumbs package immediately and check for any dependencies that may rely on it.
Yes, you can use tools like Vulert, which monitors your package-lock.json file for open-source vulnerabilities in real-time.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
