Malicious Code Injection in icy_leech_z3n: A Threat to npm Users
Summary
MAL-2025-94908: Malicious code in icy_leech_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The icy_leech_z3n package is part of the npm ecosystem, which is widely used for JavaScript package management. This package has been identified as part of a malicious campaign that aims to exploit developers by flooding the npm registry with derivative packages. The primary functionality of icy_leech_z3n is to serve as a token reward mechanism for the tea.xyz protocol, but it has been compromised to manipulate package metadata and inflate developer reputation scores.
Vulnerability Detail
The vulnerability in icy_leech_z3n stems from its association with a malicious campaign that modifies the package.json file to remove private flags, alters version numbers, and generates random package names. This behavior leads to the continuous republishing of these packages, which can pollute the npm registry and potentially compromise the integrity of other packages. The malicious payload is designed to exploit developers by automating the creation of derivative packages, thus posing a significant risk to the npm ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall icy_leech_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 monitor your package dependencies and avoid using any packages that are part of the tea.xyz token reward campaign. Additionally, consider using tools like Vulert to monitor your package-lock.json for vulnerabilities.
Conclusion
The icy_leech_z3n package poses a significant risk due to its malicious code that modifies package metadata and floods the npm registry. Developers are advised to uninstall this package and utilize tools like Vulert to monitor their projects for vulnerabilities. Staying vigilant and using trusted packages is essential for maintaining the security of your applications.
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FAQ
icy_leech_z3n is an npm package that has been identified as part of a malicious campaign to exploit developers by flooding the npm registry with derivative packages.
The vulnerability can lead to the pollution of the npm registry, potentially compromising the integrity of your project's dependencies and affecting your application's security.
You should uninstall icy_leech_z3n immediately using the command npm uninstall icy_leech_z3n to mitigate the risk associated with this vulnerability.
You can use Vulert, which monitors your package-lock.json for open-source vulnerabilities in real-time. You can check your application for vulnerabilities without any signup using the Vulert playground.
There are no patches available for icy_leech_z3n, and the best course of action is to remove the package entirely from your project.
