Malicious Code Injection in verify-ain-ukasi Package
Summary
MAL-2025-170308: Malicious code in verify-ain-ukasi (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The verify-ain-ukasi package is part of the npm ecosystem, which is widely used for JavaScript package management. This package, like many others, is intended to facilitate the development of applications by providing reusable code. However, it has been identified as part of a malicious campaign that floods the npm registry with harmful packages designed to manipulate developer reputation scores for token rewards.
Vulnerability Detail
The vulnerability in the verify-ain-ukasi package stems from its malicious code that modifies the package.json file to remove private flags and changes version numbers. It generates random package names, particularly themed around Indonesian culture, and continuously republishes these variants to pollute the npm registry. This behavior can lead to significant security risks, including the potential for unauthorized access to sensitive data and the compromise of application integrity.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall verify-ain-ukasiIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary measure, you can prevent the installation of this package by using npm's 'npm audit' command to identify vulnerabilities in your dependencies and address them accordingly. Additionally, consider using tools like Vulert to monitor your project for vulnerabilities without requiring code access.
Conclusion
The verify-ain-ukasi package poses a significant security risk due to its malicious code that alters package configurations and floods the npm registry with harmful variants. It is crucial to remove this package and monitor your project for vulnerabilities to maintain application security.
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FAQ
The verify-ain-ukasi package is an npm package that has been identified as malicious, designed to manipulate developer reputation scores through automated publishing of harmful variants.
This vulnerability can compromise your application's integrity by introducing malicious code that modifies essential files and potentially exposes sensitive data.
If you have installed the verify-ain-ukasi package, you should uninstall it immediately using 'npm uninstall verify-ain-ukasi' and review your dependencies for any other malicious packages.
You can use tools like Vulert, which monitors your package-lock.json file for vulnerabilities in real-time without requiring code access. You can also check your application using the Vulert playground.
To prevent similar vulnerabilities, regularly audit your dependencies using 'npm audit', keep your packages updated, and utilize monitoring tools like Vulert.
