Malicious Code Injection in nokire-genji23: A Threat to npm Ecosystem
Summary
MAL-2025-162510: Malicious code in nokire-genji23 (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package 'nokire-genji23' is part of the npm ecosystem, which is widely used for JavaScript package management. This package has been identified as part of a malicious campaign that aims to exploit the npm registry by flooding it with derivative packages. These packages are designed to inflate developer reputation scores through automated publishing scripts, which can lead to significant pollution of the npm registry and compromise the integrity of the ecosystem.
Vulnerability Detail
The vulnerability in 'nokire-genji23' originates from its association with the tea.xyz token reward campaign. The package contains malicious scripts that modify the package.json file by removing private flags, altering version numbers, and generating random package names. This behavior can lead to unauthorized access, reputation damage for developers, and a polluted npm registry, making it difficult for legitimate packages to be discovered and used.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall nokire-genji23If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, you can avoid using the 'nokire-genji23' package and monitor your project for any dependencies that may rely on it. Regularly check your package-lock.json file for any signs of this malicious package and remove it if found.
Conclusion
The 'nokire-genji23' package poses a significant threat to the npm ecosystem due to its malicious behavior. It is crucial for developers to be vigilant, regularly audit their dependencies, and utilize tools like Vulert to monitor for vulnerabilities. By taking proactive measures, developers can protect their projects and maintain the integrity of the npm registry.
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FAQ
'nokire-genji23' is an npm package identified as part of a malicious campaign that floods the npm registry with derivative packages.
This vulnerability can lead to unauthorized modifications in your project, reputation damage, and pollution of the npm registry, making it harder to find legitimate packages.
You should uninstall 'nokire-genji23' immediately using 'npm uninstall nokire-genji23' and check your project for any other affected dependencies.
You can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities using just your package-lock.json. You can check your application for vulnerabilities using the Vulert playground at Vulert Scanner without any signup.
Regularly update your dependencies, use tools like Vulert for monitoring, and audit your packages to identify any potential vulnerabilities.
