Malicious code in tplibintstr (PyPI)

tplibintstr Updated 02 Oct 2025

Summary

27/02/2023
CRITICAL
No i
Critical
Not published

MAL-2023-7211: Malicious code in tplibintstr (PyPI). Affected versions are not published. No fix is published. How to fix ↓

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Background

The tplibintstr package is an open-source Python package available on PyPI. It is used for manipulating and working with string data in a variety of ways. The package provides various functions and utilities to handle string operations efficiently. However, the package has been found to contain malicious code, which poses a significant security risk to users who install and use it.

Vulnerability Detail

The tplibintstr package has been identified as part of a larger group of nearly 6000 malicious PyPi and NPM packages published by the EsqueleSquad group. These packages execute spyware and information-stealing malware, compromising the security and privacy of affected systems. The specific vulnerability in tplibintstr allows the execution of arbitrary code, potentially leading to unauthorized access, data theft, or other malicious activities. The malicious code can be triggered when using certain functions or utilities provided by the package.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

pip uninstall tplibintstr

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

Workaround

There is no known workaround for this vulnerability. It is essential to remove the tplibintstr package and follow the recommended steps to ensure the security of your system.

Conclusion

The tplibintstr package on PyPI has been found to contain malicious code as part of a larger group of malicious packages. This vulnerability poses a significant risk to the security and privacy of affected systems. It is crucial to remove the package, scan for compromise, and take necessary steps to mitigate the impact. For further support and guidance, please contact DevNack.com.

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FAQ

You can use the Vulert Playground at Vulert Scanner to check if your application is affected by this vulnerability. Simply provide your Pipfile.lock, and Vulert will analyze it for any open-source vulnerabilities, including the malicious code in tplibintstr.

The malicious code in tplibintstr can lead to unauthorized access, data theft, and the execution of other malicious activities on affected systems. This can result in the compromise of sensitive information, loss of data, and potential harm to the overall security and privacy of the system.

Yes, the recommended fix is to remove the tplibintstr package from your Python environment and any projects that depend on it. It is also crucial to scan your system for any signs of compromise and take appropriate actions to mitigate the impact of the malware.

Yes, you can continue using other packages from PyPI. However, it is essential to ensure that you only install packages from trusted sources and regularly update your security software to detect and prevent any potential threats.

If you have any further questions or need assistance regarding this vulnerability, you can reach out to info@devnack.com for support and guidance on vulnerability remediation.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

pip uninstall tplibintstr

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

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