TLS Stripping Vulnerability in python3.2
Summary
DLA-871-1: python3.2 - security update. Affects python3.2 versions < 3.2.3-7+deb7u1. Fixed in 3.2.3-7+deb7u1. How to fix ↓
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Background
Python3.2 is an open-source programming language that provides a comprehensive set of tools and libraries for developing various applications. It includes the smtplib library, which is used for sending emails using the Simple Mail Transfer Protocol (SMTP). The library is distributed with the CPython interpreter. However, a vulnerability has been discovered in the smtplib library that affects the TLS (Transport Layer Security) protection.
Vulnerability Detail
The TLS stripping vulnerability in the smtplib library allows man-in-the-middle attackers to bypass TLS protections. The library did not return an error if the StartTLS command failed, enabling attackers to block the command and intercept the communication without raising any alarms. This could lead to the compromise of sensitive information transmitted over SMTP connections.
How To Fix
Minimum fixed version
3.2.3-7+deb7u1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade python3.2Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no specific workaround mentioned for this vulnerability.
Conclusion
The TLS stripping vulnerability in the smtplib library of python3.2 can be mitigated by upgrading to the latest version. It is important to promptly apply the recommended fix to ensure the security of SMTP communications. For further support and assistance with vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for python3.2 →
FAQ
The vulnerability allows attackers to bypass TLS protections and potentially intercept sensitive information transmitted over SMTP connections.
You can use the Vulert Playground (https://vulert.com/scanner) to check if your python3.2 package is affected by this vulnerability. Simply upload your package-lock.json file and it will provide real-time alerts for open-source vulnerabilities.
Yes, upgrading the python3.2 package to version 3.2.3-7+deb7u1 or later will fix the TLS stripping vulnerability in the smtplib library.
There are no known exploits for this vulnerability at the moment.
You can find more information about this vulnerability in the Debian Security Advisory DLA-871-1 (https://storage.googleapis.com/debian-osv/dla-osv/DLA-871-1.json).
