Malicious Code Injection in putri-soto73-kyuki Package
Summary
MAL-2025-89782: Malicious code in putri-soto73-kyuki (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The putri-soto73-kyuki package is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. It is designed to facilitate the generation of derivative packages with randomized names, which are published to inflate developer reputation scores. This package has been identified as containing malicious code that modifies critical files, leading to potential security risks.
Vulnerability Detail
The vulnerability originates from the package's malicious payload, which alters the package.json file by removing private flags, changing version numbers, and generating random package names. This behavior not only compromises the integrity of the npm registry but also allows the package to continuously republish variants, polluting the ecosystem and potentially leading to further exploitation by malicious actors.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall putri-soto73-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 package from being used in your project by adding it to your .npmrc file with the following line: package-lock=false. This will stop npm from installing this package until you can remove it completely.
Conclusion
The putri-soto73-kyuki package contains malicious code that poses significant risks to projects using it. Immediate action is required to remove the package and prevent further exploitation. Utilizing tools like Vulert can help in monitoring for such vulnerabilities in the future.
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FAQ
It is an npm package associated with the tea.xyz token reward campaign, designed to generate and publish derivative packages.
The malicious code modifies your package.json file and can lead to the proliferation of unwanted packages in your project, compromising security.
You should uninstall the package immediately using npm uninstall putri-soto73-kyuki and check for any dependencies that may be affected.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in your software using just package-lock.json. You can check your application for vulnerabilities without signup at the Vulert playground.
Regularly audit your dependencies and use tools like Vulert to monitor for vulnerabilities in real-time.
