Malicious Code Injection in testy_cod_dumbs Package
Summary
MAL-2025-109566: Malicious code in testy_cod_dumbs (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The testy_cod_dumbs package is part of the npm ecosystem, which is widely used for JavaScript package management. This package is suspected to be involved in a token reward campaign that aims to inflate developer reputation scores through the automatic generation and publication of derivative packages. The malicious nature of this package compromises its integrity and poses risks to developers and users relying on it.
Vulnerability Detail
The vulnerability originates from a malicious payload embedded within the testy_cod_dumbs package. This payload modifies the package.json file by removing private flags, altering version numbers, and generating random package names, which are often themed around Indonesian culture. The package also includes scripts that continuously republish these variants, leading to pollution of the npm registry. This can result in developers inadvertently using compromised packages, potentially exposing their applications to further security risks.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall testy_cod_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, avoid using the testy_cod_dumbs package and consider using alternative packages that provide similar functionality without the associated risks.
Conclusion
The testy_cod_dumbs package poses a significant security risk due to its malicious code designed to manipulate package data and inflate developer reputation scores. It is crucial for developers to remove this package and monitor their applications for vulnerabilities using tools like Vulert.
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FAQ
The testy_cod_dumbs package is an npm package that has been identified as malicious, designed to inflate developer reputation scores through automated publishing of compromised packages.
The malicious code can modify your package.json file, remove important flags, and introduce potentially harmful packages into your project, which can lead to security vulnerabilities.
If you have installed the testy_cod_dumbs package, you should uninstall it immediately using the command: npm uninstall testy_cod_dumbs.
Yes, tools like Vulert can monitor your package-lock.json file to alert you in real-time for open-source vulnerabilities in your software.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
