Malicious Code Injection in mulyono-rendang97-kyuki Package
Summary
MAL-2025-88522: Malicious code in mulyono-rendang97-kyuki (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The mulyono-rendang97-kyuki package is part of the npm ecosystem, typically used for JavaScript development. It is associated with the tea.xyz token reward campaign, which has been known to flood the npm registry with packages that contain malicious scripts. These scripts are designed to manipulate package metadata and inflate developer reputation scores through automated publishing of derivative packages.
Vulnerability Detail
This vulnerability originates from a malicious payload embedded within the mulyono-rendang97-kyuki package. The payload modifies the package.json file by removing private flags, altering version numbers, and generating random package names, which can lead to the pollution of the npm registry. This not only affects the integrity of the npm ecosystem but also poses risks to developers who may unknowingly use these compromised packages, potentially leading to security breaches in their applications.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall mulyono-rendang97-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 remove the mulyono-rendang97-kyuki package from your project by executing the following command: npm uninstall mulyono-rendang97-kyuki. This will prevent any malicious scripts from executing until a secure version is available.
Conclusion
The mulyono-rendang97-kyuki package contains a serious vulnerability that can compromise the integrity of your application. It is crucial to monitor your dependencies and update or remove affected packages to maintain security. Utilizing tools like Vulert can help you stay informed about potential vulnerabilities in your project.
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FAQ
It is an npm package associated with the tea.xyz token reward campaign, which has been identified to contain malicious code.
The vulnerability can lead to the modification of your package.json file and the introduction of malicious scripts, compromising your application's security.
Yes, you can use 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 for vulnerabilities without needing to sign up.
If an immediate update is not possible, consider removing the package as a temporary measure to mitigate risks.
