Malicious Code Injection in sunderlan-ud-vaimuanin Package
Summary
MAL-2025-166404: Malicious code in sunderlan-ud-vaimuanin (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The sunderlan-ud-vaimuanin 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, which can inflate developer reputation scores in exchange for token rewards. However, it has been identified as containing malicious code that compromises its integrity.
Vulnerability Detail
The vulnerability originates from a malicious payload embedded within the sunderlan-ud-vaimuanin package. This payload modifies the package.json file by removing private flags, altering version numbers, and generating random package names, primarily themed around Indonesian culture. The malicious code continuously republishes these variants, leading to pollution of the npm registry and potential misuse of developer reputations.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall sunderlan-ud-vaimuaninIf 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 sunderlan-ud-vaimuanin package from your project by executing: npm uninstall sunderlan-ud-vaimuanin. This will prevent the malicious code from executing until a secure version is available.
Conclusion
The sunderlan-ud-vaimuanin package has been identified as containing malicious code that compromises its integrity and can affect developer reputations. It is crucial to take immediate action by updating or removing the package to safeguard your project.
See every vulnerability recorded for sunderlan-ud-vaimuanin →
FAQ
It is an npm package associated with the tea.xyz token reward campaign, designed to generate and publish derivative packages.
The vulnerability can lead to the pollution of the npm registry and misuse of developer reputation scores, potentially harming your project's credibility.
You should uninstall the package immediately and monitor for any updates or patches that address the vulnerability.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in your software using just package-lock.json.
You can use the Vulert playground at Vulert Scanner to check if your application is affected without requiring any signup.
