Malicious Code Injection in wise_snake_z3n: A Threat to npm Ecosystem
Summary
MAL-2025-110960: Malicious code in wise_snake_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package 'wise_snake_z3n' is part of a series of npm packages that emerged during the tea.xyz token reward campaign. These packages are designed to inflate developer reputation scores by automatically generating and publishing derivative packages with randomized names. The malicious nature of this package lies in its ability to alter critical files and republish itself, thereby polluting the npm registry.
Vulnerability Detail
The vulnerability in 'wise_snake_z3n' originates from its malicious code, which modifies the package.json file to remove private flags, changes version numbers, and generates random package names. This behavior is intended to create numerous derivative packages that can mislead users and inflate the reputation of the developers involved. The ramifications include potential security risks for users who unknowingly install these packages, as they may contain harmful code or lead to further exploitation within the npm ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall wise_snake_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 avoid using the 'wise_snake_z3n' package altogether. If it is already in use, consider locking your dependencies to a previous version that does not include this package. You can also monitor your package-lock.json file for any unauthorized changes.
Conclusion
The 'wise_snake_z3n' package poses a significant threat to the npm ecosystem due to its malicious code that alters package files and repackages itself. It is crucial for developers to remove this package from their projects and monitor their dependencies for any unauthorized changes. Utilizing tools like Vulert can help in identifying and managing such vulnerabilities effectively.
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FAQ
The main issue is that it contains malicious code that modifies package.json files and repackages itself, leading to potential security risks.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
You should uninstall the package immediately using 'npm uninstall wise_snake_z3n' and check for any dependencies that may be affected.
Currently, there are no patches available for this package. The best course of action is to remove it from your project.
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