Malicious Code Vulnerability in awsutil Package - Data Exfiltration Risk
Summary
MAL-2025-192961: Malicious code in awsutil (PyPI). Affects awsutil versions 0.1.0 – 99.99.99. No fix is published. How to fix ↓
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Background
The awsutil package, available on PyPI, is designed for utility functions related to AWS services. It is often used by developers to simplify interactions with AWS APIs. However, this package has been identified as containing malicious code that can exfiltrate sensitive data from the user's system, such as IP addresses and usernames.
Vulnerability Detail
The vulnerability in the awsutil package stems from its malicious code, which was introduced as part of a dependency confusion attack. This code is capable of exfiltrating basic system information, posing a risk of data leakage. The package has been associated with typosquatting, where a malicious package mimics a legitimate one to trick users into installation. The potential ramifications include unauthorized access to sensitive data, although the risk is considered limited due to the nature of the information being targeted.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
pip uninstall awsutilIf 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 uninstall the awsutil package using the command: 'pip uninstall awsutil'. This will prevent the malicious code from executing until a secure version is released.
Conclusion
The awsutil package has been identified as containing malicious code that poses a risk of data exfiltration. Users are advised to uninstall the package and monitor their systems for any unusual activity. It is essential to stay informed about vulnerabilities in open-source packages to protect sensitive information.
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FAQ
The awsutil package is a utility library for interacting with AWS services, providing simplified functions for developers.
The malicious code can exfiltrate basic data such as your IP address and username, potentially leading to unauthorized access to your information.
If you have installed awsutil, it is crucial to uninstall it immediately and monitor your system for any unusual activity.
Yes, you can use Vulert, which monitors open-source vulnerabilities in real-time. You can check your application using the Vulert playground at Vulert Scanner without any signup.
Dependency confusion is a type of attack where a malicious package is published with the same name as a legitimate package, tricking users into installing it instead of the intended one.
