Malicious Code Injection in intan-57: A Threat to npm Ecosystem
Summary
MAL-2025-156568: Malicious code in intan-57 (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
intan-57 is an npm package that has been identified as part of a malicious campaign targeting the npm ecosystem. This package is associated with the tea.xyz token reward initiative, which aims to inflate developer reputation scores through the automatic generation and publication of derivative packages. The malicious nature of intan-57 lies in its ability to modify package metadata and republish variants, thereby polluting the npm registry.
Vulnerability Detail
The vulnerability in intan-57 stems from its malicious payload that alters the package.json file by removing private flags and changing version numbers. It generates random package names, often themed around Indonesian culture, and continuously republishes these variants. This behavior not only compromises the integrity of the npm registry but also poses a risk to developers who may unknowingly install these compromised packages, leading to potential security breaches in their applications.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall intan-57If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary measure, avoid using the intan-57 package and consider using alternative packages that provide similar functionality without the associated risks. Additionally, regularly monitor your project dependencies for any malicious packages using tools like Vulert, which can alert you to vulnerabilities in real-time.
Conclusion
The intan-57 package poses a significant threat to the npm ecosystem due to its malicious behavior of altering package metadata and republishing variants. It is crucial for developers to be vigilant, remove any instances of this package, and utilize tools like Vulert to monitor their projects for vulnerabilities.
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FAQ
intan-57 is an npm package that has been identified as part of a malicious campaign to inflate developer reputation scores through the automatic generation of derivative packages.
The vulnerability can compromise the integrity of your project by introducing malicious code that alters package metadata and republish variants, potentially leading to security breaches.
You should uninstall the intan-57 package immediately using 'npm uninstall intan-57' and check for any alternative packages to use.
You can use tools like Vulert, which monitors your package-lock.json file for open-source vulnerabilities and alerts you in real-time.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
