Malicious Code Injection in polymedr-minadus-buie: A Threat to npm Packages
Summary
MAL-2025-164414: Malicious code in polymedr-minadus-buie (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package 'polymedr-minadus-buie' is part of the npm ecosystem, which is widely used for JavaScript package management. This package is associated with the tea.xyz token reward campaign, which has been linked to a series of malicious activities aimed at inflating developer reputation scores. The package's functionality is compromised by the presence of malicious scripts that automate the generation and publication of derivative packages, leading to potential security risks for users and developers alike.
Vulnerability Detail
The vulnerability in 'polymedr-minadus-buie' originates from its design to include autopublish scripts that modify the package.json file. These scripts remove private flags, alter version numbers, and generate random package names, which can lead to the pollution of the npm registry. The ramifications include the potential for developers to unknowingly install compromised packages, which can introduce further vulnerabilities or malicious behavior into their applications.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall polymedr-minadus-buieIf 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 'polymedr-minadus-buie' package until a secure version is released. Additionally, consider using a tool like Vulert to monitor your package-lock.json for vulnerabilities in real-time. 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 'polymedr-minadus-buie' package poses a significant risk due to its malicious code that alters package metadata and publishes unauthorized derivatives. It is essential for developers to stay informed about such vulnerabilities and take proactive measures to secure their applications by updating or removing affected packages.
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FAQ
The main issue is the presence of malicious code that modifies package.json and publishes derivative packages, which can lead to security risks.
You can use the Vulert playground at Vulert Scanner to check if your application is affected without needing to sign up.
If you have installed the 'polymedr-minadus-buie' package, it is recommended to update it to the latest patched version or remove it from your project.
Yes, the malicious code can lead to the installation of compromised packages, which may introduce further vulnerabilities into applications.
Vulert monitors your package-lock.json file to alert you in real-time about open-source vulnerabilities, helping you maintain the security of your software.
