Malicious Code Injection in utomo-serimuka69-riris: A Threat to npm Packages
Summary
MAL-2025-91643: Malicious code in utomo-serimuka69-riris (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package 'utomo-serimuka69-riris' 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 linked to a series of malicious activities aimed at inflating developer reputation scores through the automatic generation and publication of derivative packages. The vulnerability stems from the package's design, which allows it to modify critical files and republish itself under various names, thus polluting the npm registry.
Vulnerability Detail
The vulnerability in 'utomo-serimuka69-riris' originates from its malicious payload that alters the package.json file by removing private flags and changing version numbers. It generates random package names, primarily themed around Indonesian culture, and continuously republishes these variants. This behavior not only compromises the integrity of the npm registry but also poses a risk to developers who may unknowingly use these tainted packages, leading to potential security breaches in their applications.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall utomo-serimuka69-ririsIf 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 'utomo-serimuka69-riris' package and look for alternative packages that provide similar functionality without the associated risks. Furthermore, consider using tools like Vulert to monitor your package-lock.json for vulnerabilities.
Conclusion
The 'utomo-serimuka69-riris' package poses a significant threat due to its malicious code that alters package files and repopulates the npm registry with compromised versions. It is essential to remove this package and monitor your dependencies to maintain the security of your applications.
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FAQ
The main issue is that it contains malicious code that modifies package.json files and republishes itself under different names, compromising the integrity of the npm registry.
You can use Vulert to check your package-lock.json for vulnerabilities without needing to install any software. Visit the Vulert playground at Vulert Scanner.
You should uninstall the package immediately using the command 'npm uninstall utomo-serimuka69-riris' and check for any other affected packages.
Yes, using this package can lead to security breaches in your application due to the malicious modifications it performs on your project files.
Regularly audit your dependencies, use tools like Vulert for real-time monitoring, and stay updated on security advisories related to the packages you use.
