Malicious Code Injection in double_koi_dumbs Package: npm Vulnerability Overview
Summary
MAL-2025-101740: Malicious code in double_koi_dumbs (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The double_koi_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 for token rewards. However, it has been identified as containing malicious code that compromises its integrity and the security of applications that depend on it.
Vulnerability Detail
The vulnerability in the double_koi_dumbs package originates from its inclusion in a campaign that floods the npm registry with malicious packages. The malicious payload 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, polluting the npm registry and potentially affecting other packages and applications that rely on npm. The ramifications include compromised application integrity, potential data breaches, and a degraded developer reputation due to association with malicious practices.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall double_koi_dumbsIf 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 double_koi_dumbs package and look for alternative packages that provide similar functionality without the associated risks. Additionally, ensure that your package.json file does not include this malicious package.
Conclusion
The double_koi_dumbs package poses a significant security risk due to its malicious code that modifies package files and repopulates the npm registry with harmful variants. It is crucial for developers to remove this package and monitor their applications for vulnerabilities to maintain security and integrity.
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FAQ
The double_koi_dumbs package is an npm package associated with a token reward campaign that has been identified as containing malicious code.
The malicious code modifies your package.json file and can lead to the publication of derivative packages, compromising your application's integrity and security.
You should uninstall the double_koi_dumbs package immediately using the command: npm uninstall double_koi_dumbs.
Yes, Vulert is a tool that monitors and alerts for open-source vulnerabilities in your software using just the package-lock.json file.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
