Learn about CVE-2021-32052, a Django vulnerability allowing HTTP header injection due to improper handling of newlines and tabs. Mitigation steps included.
This CVE-2021-32052 involves a vulnerability in Django versions 2.2 before 2.2.22, 3.1 before 3.1.10, and 3.2 before 3.2.2 which could lead to header injection due to improper handling of newlines and tabs. Here's what you should know:
Understanding CVE-2021-32052
This section delves into the details of the CVE-2021-32052 vulnerability.
What is CVE-2021-32052?
Affects Django versions allowing HTTP header injection due to inadequate validation by URLValidator.
The Impact of CVE-2021-32052
The vulnerability could be exploited through newlines in values, potentially allowing malicious injections in the HTTP response headers.
Technical Details of CVE-2021-32052
Let's explore more technical aspects of CVE-2021-32052.
Vulnerability Description
URLValidator in affected Django versions fails to restrict newlines and tabs, enabling HTTP header injection.
Affected Systems and Versions
Django versions 2.2 before 2.2.22, 3.1 before 3.1.10, and 3.2 before 3.2.2, when used with Python 3.9.5+.
Exploitation Mechanism
Applications utilizing values with newlines in HTTP responses may inadvertently facilitate HTTP header injection attacks.
Mitigation and Prevention
Discover the steps to mitigate the risks associated with CVE-2021-32052.
Immediate Steps to Take
Apply the latest security patches released by Django to address the vulnerability and prevent potential exploits.
Long-Term Security Practices
Implement secure coding practices to validate user inputs and outputs, ensuring to prevent header injections in web applications.
Patching and Updates
Regularly update Django to the latest patched version to safeguard the system against known vulnerabilities.