Malicious Code Injection in jelek-rasaaya-nu: A Threat to npm Packages
Summary
MAL-2025-157042: Malicious code in jelek-rasaaya-nu (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package 'jelek-rasaaya-nu' is part of a broader campaign that exploits the npm ecosystem, specifically targeting developers involved in the tea.xyz token reward initiative. This package is designed to generate and publish derivative packages with randomized names, aiming to inflate developer reputation scores for token rewards. Its functionality includes modifying package metadata and continuously republishing variants, which can lead to significant pollution of the npm registry.
Vulnerability Detail
The vulnerability in 'jelek-rasaaya-nu' stems from its malicious code that alters the package.json file by removing private flags and changing version numbers. This allows the package to generate random names, predominantly Indonesian-themed, and republish itself, thereby compromising the integrity of the npm registry. The origin of this vulnerability is linked to a campaign that floods the npm ecosystem with such malicious packages, which can lead to reputation damage for developers and potential security risks for applications relying on these packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall jelek-rasaaya-nuIf 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 restrict the use of the npm registry by using a private registry or by implementing strict dependency management practices. Additionally, consider using tools like Vulert to monitor your package-lock.json for vulnerabilities in real-time.
Conclusion
The 'jelek-rasaaya-nu' package poses a significant threat due to its malicious code designed to manipulate the npm registry. Developers should take immediate action to remove this package and monitor their projects for similar vulnerabilities. Utilizing tools like Vulert can enhance security by providing real-time alerts for open-source vulnerabilities.
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FAQ
The malicious code can lead to the pollution of the npm registry, affecting the integrity of packages and potentially compromising applications that rely on these packages.
You can use Vulert to check your package-lock.json for vulnerabilities without requiring access to the code or installation. Visit the Vulert playground at Vulert Scanner.
You should immediately uninstall the package using 'npm uninstall jelek-rasaaya-nu' and review your other dependencies for similar vulnerabilities.
It can lead to security risks and reputation damage, as your application may inadvertently rely on compromised packages.
Yes, tools like Vulert can help monitor your dependencies in real-time for open-source vulnerabilities.
