Malicious Code Vulnerability in ntoutils Package
Summary
MAL-2026-823: Malicious code in ntoutils (PyPI). Affects ntoutils versions 1.3.1 – 1.3.2. No fix is published. How to fix ↓
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Background
The ntoutils package, available on PyPI, is designed to provide various utility functions for network operations. However, it has been compromised to include malicious code that can download and execute harmful software. This vulnerability poses a significant risk to users who rely on this package for their projects, as it can lead to unauthorized access and data breaches.
Vulnerability Detail
The vulnerability originates from a malicious actor, identified as kam193, who has embedded code within the ntoutils package that downloads and executes a remote executable identified as malware. This malicious behavior can lead to severe consequences, including data theft, system compromise, and the potential for further exploitation of affected systems. The specific versions affected are 1.3.1 and 1.3.2, which have been confirmed to contain this malicious code.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
pip uninstall ntoutilsIf 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 using the ntoutils package until a secure version is confirmed. Additionally, users can monitor their systems for any unauthorized activities and ensure that no malicious executables are running.
Conclusion
The ntoutils package has been identified as containing malicious code that poses a significant risk to users. Immediate action is required to update or remove the affected versions to protect systems from potential harm. Users are encouraged to utilize tools like Vulert to monitor for vulnerabilities in their applications.
See every vulnerability recorded for ntoutils →
FAQ
ntoutils is a Python package that provides utility functions for network operations, but it has been compromised to include malicious code.
You can check if your application is affected by using the Vulert playground at Vulert Scanner, which monitors for open-source vulnerabilities without requiring signup.
If you have installed versions 1.3.1 or 1.3.2 of ntoutils, you should uninstall these versions and update to a patched version immediately.
Using the compromised package can lead to malware installation, data theft, and potential system compromise, putting your sensitive information at risk.
More information can be found in the vulnerability details provided by the Open Source Vulnerability database, as well as on the Vulert website.
