Malicious Code Injection in ocha-kue43-kyuki Package
Summary
MAL-2025-88993: Malicious code in ocha-kue43-kyuki (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The ocha-kue43-kyuki package is part of the npm ecosystem, often utilized in JavaScript projects for various functionalities. However, it has been identified as part of a malicious campaign that floods the npm registry with derivative packages. This package is designed to manipulate developer reputation scores through automated publishing scripts, which can lead to significant security risks.
Vulnerability Detail
The vulnerability stems from the malicious code embedded within the ocha-kue43-kyuki package. This code modifies the package.json file to remove private flags, alters version numbers, and generates random package names, ultimately republishing these variants to pollute the npm registry. The origin of this issue is linked to a broader campaign aimed at exploiting the npm ecosystem for token rewards, which can lead to compromised applications and loss of developer trust.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall ocha-kue43-kyukiIf 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 prevent the installation of this package by using the following command to block it: npm uninstall ocha-kue43-kyuki. Additionally, consider using npm audit to identify and address any other vulnerabilities in your project.
Conclusion
The ocha-kue43-kyuki package poses a significant security risk due to its malicious code designed to manipulate the npm registry. It is crucial for developers to remove this package and monitor their applications for vulnerabilities. Utilizing tools like Vulert can help maintain the security of your projects.
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FAQ
The ocha-kue43-kyuki package is an npm package that has been identified as part of a malicious campaign to inflate developer reputation scores through automated publishing.
This vulnerability can lead to the injection of malicious code into your application, potentially compromising its security and integrity.
You should immediately uninstall the ocha-kue43-kyuki package and monitor your application for any unusual behavior.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities using just package-lock.json. Visit Vulert Scanner to check your application.
Regularly audit your dependencies using tools like npm audit and consider using services like Vulert to monitor for vulnerabilities in real-time.
