Malicious Code Exploit in worthwhile_armadillo_z3n Package
Summary
MAL-2025-97419: Malicious code in worthwhile_armadillo_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The worthwhile_armadillo_z3n package is part of the npm ecosystem, which is widely used for JavaScript development. This package, like many others, is intended to facilitate various functionalities within applications. However, it has been identified as part of a malicious campaign that aims to inflate developer reputation scores through the creation and publication of derivative packages with randomized names. This vulnerability poses a significant risk to developers and users alike, as it can lead to the pollution of the npm registry and potential exploitation of applications relying on this package.
Vulnerability Detail
The vulnerability originates from a malicious payload embedded within the worthwhile_armadillo_z3n package. This payload modifies the package.json file by removing private flags, altering version numbers, and generating random package names, often themed around Indonesian culture. The package also includes scripts designed to automatically republish variants, thereby flooding the npm registry with potentially harmful packages. The ramifications of this vulnerability include compromised application integrity, increased difficulty in managing dependencies, and potential security risks for users of affected applications.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall worthwhile_armadillo_z3nIf 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 manually remove the worthwhile_armadillo_z3n package from your project by executing the command: npm uninstall worthwhile_armadillo_z3n. After removal, ensure to audit your project's dependencies for any other potentially malicious packages.
Conclusion
The worthwhile_armadillo_z3n package has been compromised with malicious code that poses a significant risk to developers and users. It is essential to take immediate action to remove the package and update your dependencies to maintain the integrity and security of your applications.
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FAQ
It is a package in the npm ecosystem that has been identified as part of a malicious campaign to inflate developer reputation scores.
The vulnerability can lead to the pollution of the npm registry and may compromise the integrity and security of applications relying on the affected package.
You should uninstall the package and update your dependencies to remove any instances of worthwhile_armadillo_z3n.
Yes, you can use tools like Vulert, which monitors your package-lock.json for open-source vulnerabilities in real-time 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 needing to sign up.
