Malicious Code Injection in crazy_perch_z3n: A Threat to npm Ecosystem
Summary
MAL-2025-93838: Malicious code in crazy_perch_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package 'crazy_perch_z3n' 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 inflate developer reputation scores through the automatic generation and publication of derivative packages. The malicious nature of this package poses a significant risk to developers and users relying on npm for secure package management.
Vulnerability Detail
The vulnerability in 'crazy_perch_z3n' originates from its involvement in the tea.xyz token reward campaign. It contains scripts that automatically modify the package.json file to remove private flags, alter version numbers, and generate random package names. This behavior leads to the continuous republishing of variants, which pollutes the npm registry and compromises the integrity of the ecosystem. The ramifications include potential security risks for applications using these packages, as they may inadvertently rely on malicious code.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall crazy_perch_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 remove the 'crazy_perch_z3n' package from your project by executing the command: 'npm uninstall crazy_perch_z3n'. This will prevent any malicious code from executing in your application until a secure version is available.
Conclusion
The 'crazy_perch_z3n' package poses a significant threat due to its malicious code designed to manipulate the npm registry. It is essential for developers to take immediate action by updating or removing the package to safeguard their applications. Utilizing tools like Vulert can further enhance security by providing real-time alerts for vulnerabilities.
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FAQ
'crazy_perch_z3n' is an npm package that has been identified as part of a malicious campaign to inflate developer reputation scores.
The vulnerability can lead to the introduction of malicious code into your application, compromising its security and integrity.
You should uninstall the package immediately and monitor for any updates or patches that may be released.
You can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities using just your package-lock.json. You can also check if your application is affected by this vulnerability using the Vulert playground.
Regularly updating your dependencies, using tools like Vulert for monitoring, and conducting security audits can help prevent vulnerabilities.
