Malicious Code Injection in saku-aku-idu Package - npm Vulnerability
Summary
MAL-2025-165659: Malicious code in saku-aku-idu (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The saku-aku-idu package is part of the npm ecosystem, often utilized in various JavaScript applications. It is associated with the tea.xyz token reward campaign, which has been known to flood the npm registry with numerous packages. This package, like others in the campaign, is designed to manipulate developer reputation scores through automated publishing of derivative packages.
Vulnerability Detail
The vulnerability in the saku-aku-idu package arises from the inclusion of malicious code that modifies the package.json file. This code removes private flags, alters version numbers, and generates random package names, leading to the continuous republishing of variants that pollute the npm registry. The origin of this vulnerability is linked to the tea.xyz token reward campaign, which employs autopublish scripts to inflate developer reputation scores. The ramifications include potential security risks for applications using this package, as well as the degradation of the npm ecosystem due to the proliferation of malicious packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall saku-aku-iduIf 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 remove the saku-aku-idu package from your project by executing the following command: npm uninstall saku-aku-idu. This will prevent any malicious code from executing until a secure version is available.
Conclusion
The saku-aku-idu package contains a serious vulnerability due to malicious code that alters package configurations and contributes to npm registry pollution. It is crucial to update or remove this package to safeguard your applications and maintain the integrity of the npm ecosystem.
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FAQ
The saku-aku-idu package is an npm package associated with the tea.xyz token reward campaign, which aims to inflate developer reputation scores through automated publishing.
The malicious code modifies your package.json file, potentially exposing your application to security risks and contributing to the pollution of the npm registry.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. Visit Vulert Scanner to check your application without any signup.
To prevent similar vulnerabilities, regularly audit your dependencies, use tools like Vulert for monitoring, and avoid using unverified packages from the npm registry.
If immediate updates are not possible, consider uninstalling the package as a temporary measure to mitigate risks until a secure version is available.
