Malicious Code Injection in implicit_salmon_z3n: A Threat to npm Packages
Summary
MAL-2025-103993: Malicious code in implicit_salmon_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
implicit_salmon_z3n is an npm package that has been identified as part of a malicious campaign targeting the npm registry. This package, like others in the campaign, is designed to exploit the npm ecosystem by generating and publishing derivative packages with randomized names. Its primary function is to inflate developer reputation scores for token rewards associated with the tea protocol, making it a significant concern for developers relying on npm for package management.
Vulnerability Detail
The vulnerability in implicit_salmon_z3n stems from its malicious code that modifies the package.json file to remove private flags and change version numbers. It generates random package names, often themed around Indonesian culture, and continuously republishes these variants, leading to pollution of the npm registry. This behavior not only compromises the integrity of the npm ecosystem but also poses risks to developers who may unknowingly install these malicious packages, potentially leading to security breaches in their applications.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall implicit_salmon_z3nIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a workaround, you can temporarily remove the implicit_salmon_z3n package from your project by running 'npm uninstall implicit_salmon_z3n'. Additionally, consider using tools like Vulert, which monitors your package-lock.json for vulnerabilities in real-time, allowing you to stay informed about potential threats without needing to access the code directly.
Conclusion
The implicit_salmon_z3n package poses a significant threat due to its malicious code designed to manipulate the npm registry. Developers are urged to take immediate action by updating or removing the package and utilizing tools like Vulert to monitor for vulnerabilities. Staying informed and proactive is essential in maintaining the security of your applications.
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FAQ
implicit_salmon_z3n is an npm package that has been identified as part of a malicious campaign aimed at exploiting the npm ecosystem.
The vulnerability can lead to the installation of malicious packages that compromise the integrity of your application and may expose it to security risks.
You should immediately uninstall the implicit_salmon_z3n package and check for any other affected packages in your project.
Yes, you can use Vulert to monitor your package-lock.json for vulnerabilities in real-time without requiring access to the code or installation.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
