Malicious Code Exfiltration in venomenallib: A Critical Security Threat
Summary
MAL-2025-191920: Malicious code in venomenallib (PyPI). Affects venomenallib versions 0.1.1 – 2.7.0. No fix is published. How to fix ↓
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Background
venomenallib is a Python package available on PyPI, designed for various functionalities within Python applications. However, it has been identified as containing malicious code that is capable of exfiltrating sensitive files from users' systems. This vulnerability poses a significant risk to users who may unknowingly install the package, as it can lead to unauthorized access to sensitive information.
Vulnerability Detail
The vulnerability in venomenallib originates from malicious code embedded within the package. This code executes during the import of the module, potentially residing in a native binary or within the setup.py script. The primary risk associated with this vulnerability is the exfiltration of sensitive files, which can lead to data breaches and unauthorized access to personal or organizational information. The malicious campaign associated with this package has been categorized as having clear malicious intent, specifically targeting sensitive data.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
pip uninstall venomenallibIf 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 can avoid importing the venomenallib package in their applications until a patched version is confirmed. Additionally, consider using alternative libraries that provide similar functionalities without the associated risks.
Conclusion
The venomenallib package poses a significant security threat due to its malicious code designed for file exfiltration. Users are advised to uninstall the package immediately and monitor for any updates. Utilizing tools like Vulert can help in identifying and managing vulnerabilities in open-source software.
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FAQ
venomenallib is a Python package that has been identified to contain malicious code capable of exfiltrating sensitive files.
The malicious code executes during the import of the module and can be embedded in various locations, including native binaries and the setup.py script.
If you have installed venomenallib, you should uninstall it immediately and check for any updates or patches that address the vulnerability.
Yes, consider using other libraries that provide similar functionalities without the associated security risks.
You can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities in your software. You can check your application against known vulnerabilities using the Vulert playground without any signup.
