Malicious Code Injection in intan-27: A Threat to npm Ecosystem
Summary
MAL-2025-156536: Malicious code in intan-27 (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package intan-27 is part of the npm ecosystem, which is widely used for JavaScript package management. It is often utilized by developers to manage dependencies in their projects. However, intan-27 has been identified as part of a malicious campaign that aims to exploit the npm registry by flooding it with derivative packages. This behavior not only affects the integrity of the npm ecosystem but also poses risks to developers who may unknowingly use these compromised packages.
Vulnerability Detail
The vulnerability in intan-27 originates from its association with the tea.xyz token reward campaign, which has been known to distribute malicious packages. These packages contain scripts that automatically modify package.json files to remove private flags, alter version numbers, and generate random package names. The malicious payload continuously republishes these variants, leading to pollution of the npm registry and potentially damaging the reputation of legitimate developers. This can result in unauthorized access to sensitive data and compromise the security of applications relying on these packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall intan-27If 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 intan-27 and any packages that depend on 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 intan-27 package poses a significant threat to the npm ecosystem due to its malicious behavior. It is essential for developers to be vigilant and remove any instances of this package from their projects. Utilizing tools like Vulert can help in monitoring for vulnerabilities and ensuring the security of applications.
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FAQ
Intan-27 is an npm package that has been identified as part of a malicious campaign to exploit the npm registry.
The vulnerability can lead to unauthorized modifications of your package.json file and potentially compromise the security of your application.
You should uninstall intan-27 immediately using the command npm uninstall intan-27.
Yes, you can use 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 without any signup.
