Malicious Code Injection in sunderlan-udk-vauki Package
Summary
MAL-2025-166438: Malicious code in sunderlan-udk-vauki (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The sunderlan-udk-vauki package is part of the npm ecosystem, typically used for various JavaScript applications. It is associated with the tea.xyz token reward campaign, which has been known to flood the npm registry with malicious packages. This package, like others in the campaign, is designed to manipulate the npm registry for nefarious purposes, including inflating developer reputation scores.
Vulnerability Detail
The vulnerability in the sunderlan-udk-vauki package stems from its malicious code that modifies the package.json file. This code removes private flags, alters version numbers, and generates random package names, leading to the continuous republishing of these variants. The origin of this vulnerability is linked to the tea.xyz token reward campaign, which aims to exploit the npm registry by creating derivative packages that pollute the ecosystem. The ramifications include potential security risks for developers and users who may unknowingly install these malicious packages, compromising their applications.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall sunderlan-udk-vaukiIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, avoid using the sunderlan-udk-vauki package and look for alternative packages that provide similar functionality without the associated risks.
Conclusion
The sunderlan-udk-vauki package contains a significant vulnerability due to its malicious code that alters package metadata and repopulates the npm registry with harmful variants. It is crucial to remove this package and monitor your projects for similar vulnerabilities to maintain application security.
See every vulnerability recorded for sunderlan-udk-vauki →
FAQ
The sunderlan-udk-vauki package is an npm package that is part of a malicious campaign aimed at manipulating the npm registry.
This vulnerability can lead to the installation of malicious code that alters your application's package.json and can compromise its integrity.
You should uninstall the sunderlan-udk-vauki package immediately and check for any other affected packages in your project.
Yes, you can use Vulert, which monitors your package-lock.json file to alert you in real-time for open-source vulnerabilities without requiring code access.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
