Malicious Code Injection in intan-76: A Threat to npm Packages
Summary
MAL-2025-156589: Malicious code in intan-76 (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package 'intan-76' is part of the npm ecosystem, which is widely used for JavaScript package management. It is associated with the tea.xyz token reward campaign, which has been known to flood the npm registry with malicious packages. These packages are designed to inflate developer reputation scores through automated scripts that generate and publish derivative packages with random names.
Vulnerability Detail
The vulnerability in 'intan-76' originates from its malicious payload, which modifies the package.json file to remove private flags, alters version numbers, and generates random package names. This behavior leads to the continuous republishing of variants, effectively polluting the npm registry and potentially compromising the integrity of other packages. The malicious code can also impact developers by falsely inflating reputation scores and introducing security risks into their projects.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall intan-76
If 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 'intan-76' package and monitor your project for any dependencies that may have inadvertently included it. You can also use tools like Vulert to monitor your package-lock.json file for vulnerabilities.
Conclusion
The intan-76 package poses a significant threat to the npm ecosystem due to its malicious behavior, which can compromise the integrity of other packages and inflate developer reputation scores. It is crucial to remove this package and monitor your dependencies for vulnerabilities.
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FAQ
The intan-76 vulnerability can lead to the pollution of the npm registry, affecting the integrity of other packages and potentially compromising developer reputation scores.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
If you have installed intan-76, you should uninstall it immediately using the command 'npm uninstall intan-76' and check for any other affected packages.
Vulert monitors your package-lock.json file to alert you in real-time about open-source vulnerabilities in your software, helping you maintain security.
There are no patches available for intan-76 as it is a malicious package. The best course of action is to remove it from your project.