Malicious Code Injection in uinsu-losit-dulaiau Package
Summary
MAL-2025-169919: Malicious code in uinsu-losit-dulaiau (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The uinsu-losit-dulaiau package is part of the npm ecosystem and appears to be associated with the tea.xyz token reward campaign. This package is designed to manipulate developer reputation scores by flooding the npm registry with derivative packages. It includes scripts that automate the generation and publishing of these packages, which can lead to significant pollution of the registry and potential security risks for users.
Vulnerability Detail
The vulnerability in the uinsu-losit-dulaiau package stems from its malicious payload, which modifies the package.json file to remove private flags and alters version numbers. It generates random package names, primarily themed around Indonesian culture, and continuously republishes these variants. This behavior not only compromises the integrity of the npm registry but also poses risks to developers who may unknowingly install these malicious packages, leading to potential exploitation of their applications.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall uinsu-losit-dulaiauIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a workaround, consider using a package-lock.json file to lock your dependencies to specific versions and prevent the installation of malicious packages. You can also utilize tools like Vulert to monitor your project for vulnerabilities in real-time. To check if your application is affected by this vulnerability, visit the Vulert playground at https://vulert.com/scanner.
Conclusion
The uinsu-losit-dulaiau package poses a significant security risk due to its malicious code that alters package metadata and floods the npm registry. It is crucial for developers to remove this package and monitor their dependencies to maintain the integrity of their applications.
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FAQ
The uinsu-losit-dulaiau package is an npm package associated with a token reward campaign that generates and publishes malicious derivative packages.
This vulnerability can lead to the installation of malicious code in your application, potentially compromising its security and integrity.
You should uninstall the uinsu-losit-dulaiau package immediately and check your project for any other potentially malicious dependencies.
Regularly update your dependencies, use tools like Vulert to monitor for vulnerabilities, and only install packages from trusted sources.
Yes, you can use the Vulert playground at Vulert Scanner to check your application for vulnerabilities without needing to sign up.
