Malicious Code Injection in logical_pony_z3n: A Threat to npm Packages
Summary
MAL-2025-87987: Malicious code in logical_pony_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package 'logical_pony_z3n' is part of the npm ecosystem, which is widely used for JavaScript package management. This package is associated with the tea.xyz token reward campaign, which has been known to flood the npm registry with malicious packages. These packages often include scripts that automatically generate and publish derivative packages, compromising the integrity of the npm ecosystem.
Vulnerability Detail
The vulnerability in 'logical_pony_z3n' stems from its malicious payload, which modifies the package.json file to remove private flags and alters version numbers. It generates random package names, primarily themed around Indonesian culture, and continuously republishes these variants to pollute the npm registry. This behavior not only affects the reputation of developers but also poses a risk of dependency confusion and potential exploitation of applications relying on these packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall logical_pony_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 'logical_pony_z3n' package and replace it with a trusted alternative. Additionally, regularly audit your npm packages using 'npm audit' to identify and address vulnerabilities.
Conclusion
The 'logical_pony_z3n' package poses a significant threat due to its malicious code that alters package configurations and floods the npm registry. It is crucial for developers to remove this package and monitor their applications for vulnerabilities to maintain the integrity of their software.
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FAQ
The main issue is that it contains malicious code that modifies package.json files and floods the npm registry with derivative packages.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. Check your application using the Vulert playground at Vulert Scanner.
You should uninstall the package immediately using 'npm uninstall logical_pony_z3n' and check for any other affected packages.
Yes, using this package can lead to reputation damage for developers, dependency confusion, and potential exploitation of applications.
Regularly audit your dependencies, use trusted packages, and stay informed about vulnerabilities in the npm ecosystem.
