Critical Malicious Code Vulnerability in csh Package
Summary
MAL-2025-17778: Malicious code in csh (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The csh package is a Node.js library commonly used in various applications for shell scripting and command execution. It provides a range of functionalities that allow developers to interact with the system shell. However, the package has been identified to contain malicious code, posing significant security risks to applications that utilize it. This vulnerability can lead to unauthorized access, data breaches, and other malicious activities.
Vulnerability Detail
The vulnerability in the csh package arises from the inclusion of malicious code that can execute harmful operations on the host system. This code was introduced in version 0 and affects all subsequent versions. The ramifications of this vulnerability are severe, as it can compromise the integrity of applications, allowing attackers to manipulate or steal sensitive information. It is crucial for developers to be aware of this issue and take immediate action to mitigate the risks associated with it.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall cshIf 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 csh package in your application until a secure alternative is implemented. Additionally, consider using environment variables or other secure methods for executing shell commands.
Conclusion
The csh package has been identified to contain malicious code that poses a significant security risk to applications. Developers must take immediate action to remove the package and seek secure alternatives. Regular monitoring for vulnerabilities using tools like Vulert can help maintain application security.
See every vulnerability recorded for csh →
FAQ
The csh package is a Node.js library used for shell scripting and command execution in various applications.
The malicious code in csh can execute harmful operations, potentially leading to unauthorized access and data breaches.
You can use Vulert to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected without requiring access to the code.
It is recommended to remove the csh package from your project and replace it with a secure alternative immediately.
Currently, there is no patch available for the csh package. It is advisable to remove it until a secure alternative is found.
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