Moderate Security Update for Python 3.11: Addressing IMAP and POP3 Command Injection Vulnerabilities
Summary
ALSA-2026:4216: Moderate: python3.11 security update. Affects python3.11 versions < 3.11.13-5.1.el9_7. Fixed in 3.11.13-5.1.el9_7. How to fix ↓
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Background
Python 3.11 is an interpreted, interactive, object-oriented programming language widely used for various applications, including web development, data analysis, artificial intelligence, and more. It features modules, classes, exceptions, and dynamic data types, making it versatile and powerful. However, recent vulnerabilities have been identified that could impact its security, particularly in handling user-controlled commands.
Vulnerability Detail
The vulnerabilities in Python 3.11 stem from command injection issues in the IMAP and POP3 protocols, allowing attackers to execute arbitrary commands by manipulating user input. Additionally, there is an email header injection vulnerability due to unquoted newlines, which could lead to further exploitation. These vulnerabilities could compromise the integrity and confidentiality of user data, making it critical to address them promptly.
How To Fix
Minimum fixed version
3.11.13-5.1.el9_7
This is the first release that contains the fix.
sudo dnf update python3.11Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, avoid using user-controlled commands in IMAP and POP3 operations until the update is applied. Implement input validation to sanitize user inputs and prevent command injection.
Conclusion
The vulnerabilities identified in Python 3.11 pose significant risks, particularly in handling user inputs for IMAP and POP3 commands. It is crucial to update to the latest patched version to mitigate these risks and ensure the security of applications using this programming language.
See every vulnerability recorded for python3.11 →
FAQ
The vulnerabilities include IMAP command injection, POP3 command injection, and email header injection due to unquoted newlines.
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These vulnerabilities could allow attackers to execute arbitrary commands, potentially compromising user data and system integrity.
Yes, a patch is available in version 3.11.13-5.1.el9_7 of Python 3.11.
Implement input validation and avoid using user-controlled commands in IMAP and POP3 operations as a temporary workaround.
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