Critical Malware Threat in xwormclient Package: Remote Code Execution Vulnerability
Summary
MAL-2025-191938: Malicious code in xwormclient (PyPI). Affects xwormclient versions 0.1.3. No fix is published. How to fix ↓
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Background
xwormclient is a Python package available on PyPI that is intended for client-side operations. However, it has been compromised to include malicious code that downloads and executes malware. This vulnerability poses a significant risk to users who may unknowingly install the package, leading to potential data breaches and system compromises.
Vulnerability Detail
The vulnerability originates from a malicious actor, identified as kam193, who has embedded code within the xwormclient package that downloads and executes various malware executables from remote sources. This malicious behavior can lead to severe consequences, including unauthorized access to sensitive information, system damage, and further exploitation of the affected systems. The package version 0.1.3 is specifically noted for this issue, and the malicious code is triggered upon importing the module.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
pip uninstall xwormclient
If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, users should avoid using the xwormclient package until a secure version is released. Additionally, consider using alternative packages that provide similar functionality without the associated risks.
Conclusion
The xwormclient package has been identified as a vector for malware due to a vulnerability that allows remote code execution. Users are strongly advised to uninstall the affected version and monitor for updates. Utilizing tools like Vulert can help in identifying vulnerabilities in open-source software.
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FAQ
xwormclient is a Python package designed for client-side operations, but it has been compromised to include malicious code.
The vulnerability allows the package to download and execute malware from remote sources when the module is imported.
The risks include unauthorized access to sensitive data, system damage, and further exploitation by malicious actors.
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Uninstall the package immediately using the command pip uninstall xwormclient and refrain from using it until a secure version is available.