Malicious Code Injection in utomo-rangi99-breki Package
Summary
MAL-2025-75929: Malicious code in utomo-rangi99-breki (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The utomo-rangi99-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 its integrity and the security of applications relying on it.
Vulnerability Detail
The vulnerability in the utomo-rangi99-breki package stems from its malicious payload, which modifies the package.json file to remove private flags, alters version numbers, and generates random package names. This behavior leads to the continuous republishing of variants, polluting the npm registry and potentially affecting other packages. The origin of this vulnerability is linked to the tea.xyz token reward campaign, which has been flooding the npm ecosystem with similar malicious packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall utomo-rangi99-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 avoid using the utomo-rangi99-breki package and look for alternative packages that provide similar functionality without the associated risks. Additionally, consider using tools like Vulert to monitor your project for vulnerabilities.
Conclusion
The utomo-rangi99-breki package contains a significant vulnerability due to its malicious code, which can compromise applications and pollute the npm registry. It is crucial to uninstall this package and monitor your project for vulnerabilities using tools like Vulert.
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FAQ
The utomo-rangi99-breki package is an npm package associated with the tea.xyz token reward campaign, designed to generate and publish derivative packages.
The vulnerability can lead to the pollution of the npm registry and may compromise the integrity of your application by introducing malicious code.
You should uninstall the utomo-rangi99-breki package immediately using the command: npm uninstall utomo-rangi99-breki.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in your software without requiring code access or installation.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.