Malicious Code Injection in outside_camel_z3n Package
Summary
MAL-2025-122428: Malicious code in outside_camel_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The outside_camel_z3n 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, which can inflate developer reputation scores. However, it has been identified as containing malicious code that compromises the integrity of the npm registry.
Vulnerability Detail
The vulnerability stems from the presence of malicious code within the outside_camel_z3n package. This code modifies the package.json file to remove private flags, alters version numbers, and generates random package names, leading to the continuous republishing of variants. This behavior not only pollutes the npm registry but also poses a risk to developers who may unknowingly use these compromised packages. The origin of this issue is linked to the tea.xyz token reward campaign, which incentivizes the creation of such malicious packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall outside_camel_z3nIf 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 avoid using the outside_camel_z3n package altogether. If it is already included in your project, remove it by running the command: npm uninstall outside_camel_z3n.
Conclusion
The outside_camel_z3n package contains malicious code that compromises the integrity of the npm registry and poses a risk to developers. It is essential to remove this package from your project and monitor your dependencies for similar vulnerabilities using tools like Vulert.
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FAQ
The outside_camel_z3n package is an npm package associated with the tea.xyz token reward campaign, designed to automate the generation and publication of packages.
The malicious code modifies your package.json file, removes private flags, and continuously republishes variants, which can lead to security vulnerabilities and pollution of the npm registry.
You can use Vulert, a tool that monitors and alerts for open-source vulnerabilities in your software. By simply using your package-lock.json file, Vulert can help identify if your application is affected.
To prevent similar vulnerabilities, regularly audit your dependencies, use tools like Vulert for real-time monitoring, and avoid using unverified packages from the npm registry.
If you have used the outside_camel_z3n package, it is recommended to uninstall it immediately and check for any other dependencies that may have been affected.
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