Malicious Code Injection in yuda-21: npm Package Vulnerability
Summary
MAL-2025-170589: Malicious code in yuda-21 (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The yuda-21 package is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package is designed to facilitate the automatic generation and publication of derivative packages with randomized names, aimed at inflating developer reputation scores for token rewards. However, it has been identified as containing malicious code that compromises the integrity of the npm registry.
Vulnerability Detail
The vulnerability in the yuda-21 package stems from its malicious payload, which modifies the package.json file to remove private flags, alters version numbers, and generates random package names. This behavior leads to the continuous republishing of variants that pollute the npm registry, potentially affecting developers who rely on the integrity of npm packages. The origin of this vulnerability is linked to the tea.xyz token reward campaign, which employs autopublish scripts to automate the creation of these malicious packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall yuda-21If 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 yuda-21 package from your project by executing the command: 'npm uninstall yuda-21'. This will prevent any malicious code from executing in your application until a secure version is available.
Conclusion
The yuda-21 package has been identified as containing malicious code that compromises the integrity of the npm registry. It is crucial for developers to take immediate action by updating or removing the package to safeguard their applications. Utilizing tools like Vulert can help monitor for such vulnerabilities in real-time.
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FAQ
The yuda-21 package is an npm package associated with the tea.xyz token reward campaign, designed to automate the generation of derivative packages.
The vulnerability can lead to the modification of your package.json file, removal of private flags, and the introduction of malicious packages into your project.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time using just your package-lock.json file.
You can use the Vulert playground at Vulert Scanner to check for vulnerabilities in your application without needing to sign up.
If updating is not possible, consider removing the package from your project as a temporary measure until a secure version is released.
