Malicious Code Injection in back_smelt_0xrequest Package - npm Vulnerability
Summary
MAL-2025-99735: Malicious code in back_smelt_0xrequest (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The back_smelt_0xrequest package 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 exploit the npm registry by flooding it with derivative packages. These packages are designed to manipulate developer reputation scores for token rewards, making them a significant threat to the integrity of the npm ecosystem.
Vulnerability Detail
The vulnerability in the back_smelt_0xrequest package stems from its association with a malicious campaign that modifies the package.json file to remove private flags, alters version numbers, and generates random package names. This behavior leads to the continuous republishing of variants, which pollutes the npm registry and can compromise the security of applications relying on these packages. The malicious payload is designed to inflate developer reputation scores, making it a serious concern for developers and users alike.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall back_smelt_0xrequestIf 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 avoid using the back_smelt_0xrequest package altogether and look for alternative packages that provide similar functionality without the associated risks. Additionally, regularly audit your project's dependencies using tools like npm audit to identify and address vulnerabilities.
Conclusion
The back_smelt_0xrequest package poses a significant threat due to its malicious behavior aimed at manipulating the npm registry. It is crucial for developers to be vigilant and remove any affected packages from their projects. Utilizing tools like Vulert can help in monitoring and identifying vulnerabilities in real-time, ensuring the security of your applications.
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FAQ
The back_smelt_0xrequest package is an npm package that has been identified as part of a malicious campaign aimed at manipulating developer reputation scores.
This vulnerability can compromise the integrity of your application by introducing malicious code that modifies your package.json file and republishing variants to the npm registry.
You should uninstall the back_smelt_0xrequest package immediately and audit your dependencies for any other malicious packages.
Yes, you can use tools like Vulert, which monitors your package-lock.json file to alert you in real-time for open-source vulnerabilities.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
