Malicious Code Injection in inufgi-gotmua-anzai: A Threat to npm Users
Summary
MAL-2025-156694: Malicious code in inufgi-gotmua-anzai (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package 'inufgi-gotmua-anzai' is part of a series of npm packages associated with the tea.xyz token reward campaign. These packages are designed to inflate developer reputation scores by automatically generating and publishing derivative packages with randomized names. This behavior poses a significant risk to the integrity of the npm registry and the security of applications relying on these packages.
Vulnerability Detail
The vulnerability stems from malicious code embedded within the 'inufgi-gotmua-anzai' package. This code modifies the package.json file to remove private flags, alters version numbers, and generates random package names, leading to the continuous republishing of variants that pollute the npm registry. This not only compromises the security of applications using these packages but also undermines the trustworthiness of the npm ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall inufgi-gotmua-anzaiIf 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 'inufgi-gotmua-anzai' package and look for alternative packages that provide similar functionality without the associated risks. Additionally, consider using tools like Vulert to monitor your project 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 'inufgi-gotmua-anzai' package poses a significant risk due to its malicious code that alters package metadata and repopulates the npm registry with potentially harmful variants. It is crucial for developers to remove this package and monitor their projects for vulnerabilities to maintain the security of their applications.
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FAQ
It is an npm package that is part of a malicious campaign aimed at inflating developer reputation scores through automated publishing of derivative packages.
The vulnerability can lead to the inclusion of malicious code in your application, compromising its security and potentially leading to data breaches.
You should uninstall the package immediately using 'npm uninstall inufgi-gotmua-anzai' and check for any dependencies that may be affected.
Yes, tools like Vulert can help monitor your project for open-source vulnerabilities in real-time using just your package-lock.json file.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
