Malicious Code Injection in saku-aku-idusanun Package
Summary
MAL-2025-165665: Malicious code in saku-aku-idusanun (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The saku-aku-idusanun package is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package is designed to facilitate the generation and publication of derivative packages, often with randomized names, to inflate developer reputation scores for token rewards. However, it has been identified as containing malicious code that alters its own package.json file.
Vulnerability Detail
The vulnerability in the saku-aku-idusanun package originates from its inclusion in a campaign that floods the npm registry with malicious packages. The malicious payload modifies the package.json file by removing private flags, changing version numbers, and generating random package names. This behavior leads to the continuous republishing of variants, polluting the npm registry and potentially compromising the integrity of other packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall saku-aku-idusanunIf 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 saku-aku-idusanun package and any of its derivatives. Additionally, consider using npm audit to identify and address vulnerabilities in your project.
Conclusion
The saku-aku-idusanun package has been identified as containing malicious code that alters its package.json file and floods the npm registry with derivative packages. It is crucial to remove this package from your project and monitor for any updates or patches to maintain the security of your application.
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FAQ
The saku-aku-idusanun package is an npm package associated with a token reward campaign that generates derivative packages to inflate developer reputation scores.
The vulnerability can lead to the pollution of the npm registry and may compromise the integrity of your project's dependencies.
You should remove the saku-aku-idusanun package from your project immediately to mitigate any risks associated with the vulnerability.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in your software using just package-lock.json. You can check your application for vulnerabilities using the Vulert playground.
Regularly audit your dependencies using tools like npm audit and stay updated on the latest security advisories for the packages you use.
