Malicious Code Injection in wawan-oncom38-breki Package
Summary
MAL-2025-76202: Malicious code in wawan-oncom38-breki (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The wawan-oncom38-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 in exchange for token rewards. However, it has been identified as containing malicious scripts that compromise the integrity of the npm registry.
Vulnerability Detail
The vulnerability originates from the malicious code embedded within the wawan-oncom38-breki package. This code modifies the package.json file by removing private flags, altering version numbers, and generating random package names, which are often themed around Indonesian culture. The scripts are designed to continuously republish these variants, leading to pollution of the npm registry and potential reputational damage for developers. The malicious behavior poses risks such as unauthorized access to sensitive data and the potential for further exploitation of affected systems.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall wawan-oncom38-breki
If 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 file to monitor dependencies. Additionally, consider using tools like Vulert to monitor and alert for open-source vulnerabilities in your software. 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 wawan-oncom38-breki package contains malicious code that poses significant risks to developers and their projects. It is crucial to remove this package and monitor for vulnerabilities to maintain the integrity of your software. Utilizing tools like Vulert can aid in real-time monitoring and alerting for such vulnerabilities.
See every vulnerability recorded for wawan-oncom38-breki →
FAQ
The wawan-oncom38-breki package is an npm package associated with the tea.xyz token reward campaign, designed to generate and publish derivative packages.
The malicious code modifies your package.json file, removes private flags, and can lead to unauthorized republishing of your packages, potentially harming your project's reputation.
You should uninstall the wawan-oncom38-breki package immediately using 'npm uninstall wawan-oncom38-breki' and check for any other affected packages.
Yes, you can use tools like Vulert, which monitors your package-lock.json file for vulnerabilities in real-time without requiring code access.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.