Malicious Code Injection in interim_wallaby_z3n: A Threat to npm Packages
Summary
MAL-2025-95091: Malicious code in interim_wallaby_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The interim_wallaby_z3n package is part of the npm ecosystem, primarily used for JavaScript development. This package has been implicated in a broader malicious campaign targeting developers by flooding the npm registry with derivative packages. These packages are designed to inflate developer reputation scores through automated publishing scripts, which can lead to significant security risks.
Vulnerability Detail
The vulnerability in interim_wallaby_z3n stems from its association with the tea.xyz token reward campaign. The package contains malicious scripts that modify the package.json file by removing private flags, altering version numbers, and generating random package names. This behavior not only compromises the integrity of the npm registry but also poses risks to developers who may unknowingly use these compromised packages, potentially leading to further exploitation.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall interim_wallaby_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 interim_wallaby_z3n package and instead look for alternative packages that provide similar functionality without the associated risks. Additionally, regularly audit your package-lock.json file to identify any potentially vulnerable packages.
Conclusion
The interim_wallaby_z3n package poses a significant security risk due to its malicious code designed to manipulate npm packages. It is crucial for developers to remove this package and monitor their projects for vulnerabilities to maintain the integrity of their applications.
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FAQ
interim_wallaby_z3n is an npm package that has been linked to a malicious campaign aimed at inflating developer reputation scores through automated publishing.
The vulnerability can lead to the introduction of malicious code into your project, potentially compromising its security and integrity.
You should uninstall the package immediately using 'npm uninstall interim_wallaby_z3n' and check for any other affected packages.
You can use tools like Vulert, which monitors your package-lock.json file for vulnerabilities in real-time without requiring code access or installation.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
