Malicious Code Exfiltration in bpsm Package
Summary
MAL-2026-1296: Malicious code in bpsm (PyPI). Affects bpsm versions 99.0.0. No fix is published. How to fix ↓
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Background
The bpsm package, available on PyPI, is designed for basic system operations. However, it has been identified as malicious due to its capability to exfiltrate sensitive information from the host system, such as IP addresses and usernames. This vulnerability arises from the package's design, which overrides the installation command to execute harmful code during installation.
Vulnerability Detail
The vulnerability in the bpsm package originates from its malicious code that exfiltrates basic data from the host system. When the package is installed or imported, it executes code that collects sensitive information without the user's consent. The primary technical aspect of this vulnerability is the overridden install command in the setup.py file, which allows the execution of this malicious code during the installation process. This poses a risk to users as their system information can be compromised.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
pip uninstall bpsmIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a workaround, users should avoid installing the bpsm package altogether. If it has already been installed, it can be removed using the command: pip uninstall bpsm.
Conclusion
The bpsm package poses a significant risk due to its malicious code that exfiltrates sensitive information from the host system. Users are advised to uninstall the package and monitor their systems for any unauthorized access. Utilizing tools like Vulert can help in identifying such vulnerabilities in real-time.
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FAQ
The bpsm package is a Python package available on PyPI that is intended for basic system operations but has been identified as malicious.
The bpsm package exfiltrates basic information such as the host's IP address and username.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
The best prevention is to avoid installing the bpsm package and to monitor your dependencies for any malicious packages.
If you have installed the bpsm package, you should uninstall it immediately using the command: pip uninstall bpsm.
