Malicious Code Injection in lintang-tea35: A Threat to npm Packages
Summary
MAL-2025-158194: Malicious code in lintang-tea35 (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
lintang-tea35 is a package within the npm ecosystem, primarily associated with the tea.xyz token reward campaign. This package is designed to facilitate the generation and publication of derivative packages, often with randomized names, to enhance developer reputation scores for token rewards. However, it has been identified as containing malicious code that compromises the integrity of the npm registry.
Vulnerability Detail
The vulnerability in lintang-tea35 originates from its malicious payload, which modifies the package.json file by removing private flags and altering version numbers. It generates random package names, often themed around Indonesian culture, and continuously republishes these variants to pollute the npm registry. This behavior not only affects the reputation of developers but also poses a risk of dependency confusion and potential exploitation by malicious actors.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall lintang-tea35If 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 lintang-tea35 package and any derivatives associated with it. Additionally, consider using tools like Vulert to monitor your package-lock.json for vulnerabilities. You can check if your application is affected by this vulnerability using the Vulert playground at https://vulert.com/scanner without any signup.
Conclusion
The lintang-tea35 package poses a significant threat due to its malicious code that alters package metadata and floods the npm registry with harmful derivatives. It is crucial to remove this package from your projects and utilize monitoring tools like Vulert to safeguard against future vulnerabilities.
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FAQ
lintang-tea35 is an npm package linked to the tea.xyz token reward campaign, designed to generate and publish derivative packages.
The vulnerability can lead to the modification of your package.json file, potentially exposing your project to dependency confusion and malicious exploitation.
You should uninstall the lintang-tea35 package immediately and monitor your project for any other potentially malicious packages.
Yes, you can use tools like Vulert, which monitors your package-lock.json for vulnerabilities in real-time.
Yes, you can use the Vulert playground at Vulert Scanner to check for vulnerabilities in your application without requiring any signup.
