Malicious Code Injection in uinsu-lost-dauku: A Threat to npm Users
Summary
MAL-2025-169931: Malicious code in uinsu-lost-dauku (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package 'uinsu-lost-dauku' is part of a series of malicious npm packages that emerged during 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. The malicious nature of this package lies in its ability to modify critical files such as package.json, which can lead to significant security risks for developers and their applications.
Vulnerability Detail
The vulnerability in 'uinsu-lost-dauku' originates from its inclusion in a broader scheme to manipulate the npm registry. It contains scripts that automatically alter package.json files by removing private flags, changing version numbers, and generating random package names. This behavior not only pollutes the npm registry but also compromises the integrity of applications that depend on this package, potentially leading to unauthorized access or data breaches.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall uinsu-lost-daukuIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary measure, you can avoid using the 'uinsu-lost-dauku' package and any other packages associated with the tea.xyz token reward campaign. Regularly audit your package.json and package-lock.json files for any suspicious entries.
Conclusion
The 'uinsu-lost-dauku' package poses a significant threat to npm users due to its malicious code that alters package files and inflates developer reputation scores. It is essential to remove this package and monitor your dependencies to maintain the security of your applications.
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FAQ
It is a malicious npm package that is part of a scheme to inflate developer reputation scores through automated publishing of derivative packages.
The vulnerability can lead to unauthorized modifications of your package.json file, potentially compromising your application's security and integrity.
You should uninstall the package immediately using 'npm uninstall uinsu-lost-dauku' and audit your project for any other malicious packages.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software using just package-lock.json. Visit Vulert Scanner to check if your application is affected without needing to sign up.
Yes, tools like Vulert can help you monitor your dependencies for vulnerabilities in real-time.
