Malicious Code Injection in sunderlan-ud-vamnin: A Threat to npm Packages
Summary
MAL-2025-166420: Malicious code in sunderlan-ud-vamnin (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The sunderlan-ud-vamnin package is part of the npm ecosystem, which is widely used for JavaScript package management. This package is associated with the tea.xyz token reward campaign, which has been known to flood the npm registry with malicious packages. The primary functionality of such packages is to automate the generation and publication of derivative packages, which can lead to reputation inflation for developers involved in the tea protocol token rewards.
Vulnerability Detail
The vulnerability in the sunderlan-ud-vamnin package stems from its malicious payload that modifies the package.json file. It removes private flags, alters version numbers, and generates random package names, which can lead to the pollution of the npm registry. This behavior not only compromises the integrity of the npm ecosystem but also poses risks to developers who may unknowingly use these compromised packages in their applications.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall sunderlan-ud-vamninIf 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 sunderlan-ud-vamnin package and look for alternative packages that provide similar functionality without the associated risks. Additionally, you can monitor your package-lock.json file for any unauthorized changes.
Conclusion
The sunderlan-ud-vamnin package poses a significant threat to the npm ecosystem due to its malicious behavior. It is crucial for developers to be vigilant and remove any affected packages from their projects to maintain security and integrity. Utilizing tools like Vulert can aid in monitoring for such vulnerabilities effectively.
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FAQ
sunderlan-ud-vamnin is an npm package that is part of a malicious campaign aimed at inflating developer reputation scores through automated package publishing.
The vulnerability can lead to the inclusion of malicious code in your application, potentially compromising its security and integrity.
You should uninstall the sunderlan-ud-vamnin package immediately and check your project for any unauthorized changes.
Yes, tools like Vulert can monitor your package-lock.json file for open-source vulnerabilities in real-time without requiring code access or installation.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
