Malicious Code Injection in lina-mendut69-breki: A Threat to npm Users
Summary
MAL-2025-74133: Malicious code in lina-mendut69-breki (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package 'lina-mendut69-breki' 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 in 'lina-mendut69-breki' originates from its malicious payload, which modifies the package.json file to remove private flags, alters version numbers, and generates random package names. This leads to the continuous republishing of variants, polluting the npm registry and potentially compromising applications that depend on these packages. The malicious scripts included in the package are designed to automate this process, making it difficult for developers to detect and mitigate the threat.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall lina-mendut69-brekiIf 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 prevent the installation of this malicious package by using npm's package-lock.json to monitor your dependencies. Additionally, consider using tools like Vulert to check your application for vulnerabilities without needing to access the code directly. You can use the Vulert playground at https://vulert.com/scanner to see if your application is affected by this vulnerability.
Conclusion
The 'lina-mendut69-breki' package poses a significant threat due to its malicious code designed to manipulate package metadata and pollute the npm registry. Developers are urged to remove this package and monitor their applications for vulnerabilities using tools like Vulert to ensure ongoing security.
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FAQ
lina-mendut69-breki is an npm package that is part of a malicious campaign to inflate developer reputation scores through automated package publishing.
The vulnerability can lead to the installation of malicious code that modifies your package.json file and can compromise the integrity of your application.
You should uninstall the package immediately using 'npm uninstall lina-mendut69-breki' and check for any dependencies that may rely on it.
You can use tools like Vulert, which monitors your package-lock.json for vulnerabilities in real-time without requiring code access.
Regularly audit your dependencies, use tools like Vulert for monitoring, and stay updated on known vulnerabilities in the npm ecosystem.
