Malicious Code Injection in wawan-miebogor66-breki Package - npm Vulnerability
Summary
MAL-2025-76192: Malicious code in wawan-miebogor66-breki (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The wawan-miebogor66-breki package is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package is designed to facilitate the automatic generation and publication of derivative packages, which can inflate developer reputation scores for token rewards. However, it has been identified as containing malicious code that compromises the integrity of the npm registry.
Vulnerability Detail
The vulnerability originates from the malicious payload embedded within the wawan-miebogor66-breki package. This payload modifies the package.json file by removing private flags, altering version numbers, and generating random package names, primarily themed around Indonesian culture. The malicious scripts (auto.js, autopublish.js, etc.) continuously republish these variants, leading to pollution of the npm registry and potential exploitation of developers' reputations.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall wawan-miebogor66-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 the following command to uninstall it:
npm uninstall wawan-miebogor66-breki
Additionally, you can monitor your project for vulnerabilities using tools like Vulert, which analyzes your package-lock.json file for real-time alerts on open-source vulnerabilities.
Conclusion
The wawan-miebogor66-breki package has been identified as containing malicious code that poses a significant risk to developers and their projects. It is crucial to take immediate action by uninstalling the package and monitoring for vulnerabilities to maintain the integrity of your software.
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FAQ
It is an npm package associated with the tea.xyz token reward campaign, designed to generate and publish derivative packages.
The malicious code can compromise your project's integrity by modifying package configurations and potentially harming your developer reputation.
You should uninstall the package immediately and monitor your project for any further vulnerabilities.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
Regularly update your dependencies, monitor your package-lock.json with tools like Vulert, and review the packages you install for any known vulnerabilities.
