Malicious Code Injection in lala-poke33: A Threat to npm Packages
Summary
MAL-2025-157957: Malicious code in lala-poke33 (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package 'lala-poke33' is part of the npm ecosystem, which is widely used for JavaScript package management. This package is linked to a token reward campaign that has been known to flood the npm registry with malicious packages. The primary function of such packages is to inflate developer reputation scores through the automatic generation and publishing of derivative packages. However, this functionality has been compromised, leading to significant security risks.
Vulnerability Detail
The vulnerability in 'lala-poke33' stems from its malicious code that modifies the package.json file by removing private flags and changing version numbers. It generates random package names, often themed around Indonesian culture, and continuously republishes these variants to pollute the npm registry. This behavior not only affects the integrity of the npm ecosystem but also poses risks to developers who may unknowingly use these compromised packages, potentially leading to unauthorized access or data breaches.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall lala-poke33
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 'lala-poke33' and any other packages that are part of the token reward campaign. You can also use the following command to uninstall the package: npm uninstall lala-poke33.
Conclusion
The 'lala-poke33' package poses a significant security risk due to its malicious code that alters package metadata and floods the npm registry. It is essential for developers to be vigilant and remove any affected packages from their projects. Utilizing tools like Vulert can help in monitoring and managing vulnerabilities effectively.
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FAQ
'lala-poke33' is an npm package that has been identified as malicious, designed to inflate developer reputation scores through the automatic generation of derivative packages.
The malicious code modifies your package.json file, potentially leading to unauthorized access and data breaches, as well as polluting the npm registry.
You should uninstall 'lala-poke33' immediately and check for any other potentially compromised packages in your project.
Yes, you can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities using just your package-lock.json file. You can also check if your application is affected by this vulnerability using the Vulert playground.
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