Malicious Code Vulnerability in sintok Package: Remote Malware Execution Risk
Summary
MAL-2025-191869: Malicious code in sintok (PyPI). Affected versions are not published. No fix is published. How to fix ↓
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Background
The sintok package, available on the Python Package Index (PyPI), is designed for various functionalities within Python applications. However, it has been identified as containing malicious code that poses significant security risks. This vulnerability allows attackers to execute remote malware, compromising the integrity and security of applications that utilize this package.
Vulnerability Detail
The vulnerability originates from obfuscated code within the sintok package, which, upon import, initiates a sequence that downloads and executes a well-known malware. The malicious code is cleverly hidden within the package's functionality, misleading users into believing they are performing legitimate operations. This poses a severe risk as it can lead to unauthorized access to sensitive information and system compromise.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
pip uninstall sintokIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, it is advisable to avoid using the sintok package until a secure version is confirmed. Additionally, you can implement network monitoring to detect any unauthorized outbound connections that may arise from the malicious code.
Conclusion
The sintok package has been identified as containing malicious code that poses a significant security risk by enabling remote malware execution. Users are strongly advised to update to the latest version or refrain from using the package until a secure version is available. Utilizing tools like Vulert can help monitor for such vulnerabilities in real-time.
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FAQ
The sintok package is a Python library available on PyPI, designed for various functionalities in Python applications.
The vulnerability is linked to a well-recognized malware that is downloaded and executed when the sintok package is imported.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check if your application is affected without needing to sign up.
If immediate updates are not possible, avoid using the sintok package and monitor your network for any suspicious activity.
Detailed information can be found in the vulnerability report on the GitHub repository of malicious packages or through security advisories related to the sintok package.
