Malicious Code Injection in intan-62 Package - npm Vulnerability Summary
Summary
MAL-2025-156574: Malicious code in intan-62 (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The intan-62 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 for rewards. However, it has been compromised to include malicious scripts that manipulate package metadata.
Vulnerability Detail
The vulnerability in the intan-62 package arises from malicious code that modifies the package.json file to remove private flags, alters version numbers, and generates random package names. This behavior is intended to pollute the npm registry by continuously republishing variants, which can lead to security risks for developers relying on the integrity of the npm ecosystem. The source of this vulnerability is linked to the tea.xyz token reward campaign, which has been known to flood npm with such malicious packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall intan-62If 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 prevent the installation of the intan-62 package by using npm's package-lock.json file to lock your dependencies. Additionally, you can monitor your project for vulnerabilities using Vulert, which analyzes your package-lock.json file for real-time alerts on open-source vulnerabilities.
Conclusion
The intan-62 package has been identified as containing malicious code that can compromise the integrity of npm packages. It is crucial to remove this package from your dependencies and monitor your project for vulnerabilities using tools like Vulert to ensure ongoing security.
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FAQ
The intan-62 package is an npm package associated with the tea.xyz token reward campaign, designed to automate the publication of derivative packages.
The vulnerability can lead to the pollution of the npm registry and compromise the integrity of your project's dependencies, potentially introducing security risks.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by the intan-62 vulnerability without requiring any signup.
If you cannot update the package due to the absence of a patched version, consider removing it from your project and replacing it with a secure alternative.
Vulert is a tool that monitors and alerts for open-source vulnerabilities in your software by analyzing the package-lock.json file, providing real-time insights without requiring code access.
