Malicious Code Injection in unnecessary_sparrow-silentdev Package
Summary
MAL-2025-110166: Malicious code in unnecessary_sparrow-silentdev (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The unnecessary_sparrow-silentdev package is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package is designed to facilitate the automatic generation and publication of derivative packages, often with randomized names, to inflate developer reputation scores for token rewards. Its functionality is compromised due to the presence of malicious code that alters package metadata.
Vulnerability Detail
The vulnerability originates from a malicious payload embedded within the unnecessary_sparrow-silentdev package. This payload modifies the package.json file by removing private flags, changing version numbers, and generating random package names, which leads to the continuous republishing of these variants. This not only pollutes the npm registry but also poses a risk to developers who may unknowingly use these compromised packages, potentially leading to security breaches in their applications.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall unnecessary_sparrow-silentdevIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, avoid using the unnecessary_sparrow-silentdev package and look for alternative packages that provide similar functionality without the associated risks. Additionally, you can monitor your package dependencies using tools like Vulert, which can alert you to vulnerabilities in real-time.
Conclusion
The unnecessary_sparrow-silentdev package contains malicious code that poses significant risks to developers and their applications. It is crucial to remove this package and monitor your dependencies for vulnerabilities. Utilizing tools like Vulert can help maintain the security of your projects.
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FAQ
It is an npm package associated with the tea.xyz token reward campaign, designed to generate and publish derivative packages.
The malicious code modifies your package.json file, potentially leading to security vulnerabilities and pollution of the npm registry.
You should uninstall the unnecessary_sparrow-silentdev package immediately and check for any dependencies that may be affected.
Yes, you can use Vulert, which monitors your package-lock.json for vulnerabilities and alerts you in real-time.
Yes, you can use the Vulert playground at Vulert Scanner to check for vulnerabilities without any signup.
