Malicious Code Injection in udin-taiwan85-ruro Package
Summary
MAL-2025-109940: Malicious code in udin-taiwan85-ruro (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The udin-taiwan85-ruro 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, which are used to inflate developer reputation scores for token rewards. However, it has been identified as containing malicious code that compromises its integrity and the security of the npm registry.
Vulnerability Detail
The vulnerability in the udin-taiwan85-ruro package arises 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, posing a risk to developers and users who may inadvertently install these compromised packages. The origin of this vulnerability is linked to the tea.xyz token reward campaign, which employs these tactics to manipulate npm's reputation system.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall udin-taiwan85-ruroIf 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 avoid using the udin-taiwan85-ruro package altogether. If you have dependencies that require it, consider replacing them with alternative packages that provide similar functionality without the associated risks.
Conclusion
The udin-taiwan85-ruro package poses a significant security risk due to its malicious code that alters package metadata and pollutes the npm registry. It is crucial for developers to uninstall this package and monitor their projects for vulnerabilities to maintain the integrity of their applications.
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FAQ
The udin-taiwan85-ruro package is an npm package linked to the tea.xyz token reward campaign, designed to generate and publish derivative packages automatically.
The malicious code modifies your package.json file, removes private flags, and generates random package names, leading to potential security risks and pollution of the npm registry.
If you have installed the udin-taiwan85-ruro package, you should uninstall it immediately using the command npm uninstall udin-taiwan85-ruro.
Yes, consider looking for alternative packages that provide similar functionality without the malicious behavior associated with udin-taiwan85-ruro.
You can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities using just your package-lock.json file. You can check if your application is affected by this vulnerability using the Vulert playground at Vulert Scanner without any signup.
