Malicious Code Injection in nokire-genji13: A Threat to npm Packages
Summary
MAL-2025-162499: Malicious code in nokire-genji13 (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package 'nokire-genji13' is part of a series of npm packages that emerged during the tea.xyz token reward campaign. These packages are designed to inflate developer reputation scores by automatically generating and publishing derivative packages with randomized names. This behavior poses a significant risk to the integrity of the npm registry and can lead to the proliferation of malicious code.
Vulnerability Detail
The vulnerability in 'nokire-genji13' originates from its association with a malicious campaign that modifies the package.json file to remove private flags, alters version numbers, and generates random package names. This allows the package to continuously republish variants, polluting the npm registry and potentially compromising other packages that depend on it. The malicious payload can lead to unauthorized access and manipulation of dependent applications.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall nokire-genji13If 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 prevent the installation of the 'nokire-genji13' package by using npm's package-lock.json to monitor dependencies. Ensure that your package-lock.json does not include this package, and regularly audit your dependencies for any malicious packages.
Conclusion
The 'nokire-genji13' package poses a significant threat due to its malicious behavior aimed at manipulating the npm registry. It is essential to take immediate action to remove this package and monitor your dependencies for any vulnerabilities. Utilizing tools like Vulert can help maintain the security of your applications.
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FAQ
'nokire-genji13' is an npm package that is part of a malicious campaign aimed at inflating developer reputation scores through automated publishing of derivative packages.
The vulnerability can lead to the introduction of malicious code into your application, potentially compromising its security and integrity.
You should immediately uninstall the package using 'npm uninstall nokire-genji13' and check for any dependencies that may be affected.
Yes, you can use tools like Vulert, which monitors and alerts for open-source vulnerabilities in real-time using your 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.
