Photo by Security Vulnerability in Python 3.13
A newly discovered security vulnerability in Python 3.13 has been identified, which allows for header injection in email headers. This vulnerability, labeled as CVE-2024-6923, has been patched in the latest version of Python 3.13.
What is CVE-2024-6923?
CVE-2024-6923 is a security vulnerability in the Python 3.13 email module that allows an attacker to inject malicious headers into an email. This can lead to a range of security issues, including email spoofing and phishing attacks.
The vulnerable code in question is located in the email module, specifically in the email.header class. The issue arises from the fact that the email.header class does not properly quote newlines in email headers, allowing an attacker to inject malicious headers.
How was the vulnerability discovered?
The vulnerability was discovered by Miro Hrončok, a security researcher at Red Hat. Hrončok discovered the vulnerability while reviewing the Python 3.13 codebase and reported it to the Python security team.
What is the impact of the vulnerability?
The impact of the vulnerability is significant, as it allows an attacker to inject malicious headers into an email. This can lead to a range of security issues, including email spoofing and phishing attacks.
How can I protect myself?
To protect yourself from this vulnerability, you should update your Python 3.13 installation to the latest version. You can do this by running the following command:
dnf upgrade python3.13
Alternatively, you can download the latest version of Python 3.13 from the Python website.
Conclusion
The discovery of CVE-2024-6923 highlights the importance of security research and the need for continuous monitoring of software codebases. By staying up-to-date with the latest security patches and updates, you can protect yourself from security vulnerabilities like this one.
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Image: Email header injection
