XSS Vulnerability in Django Package: python-django Affects Multiple Ubuntu Versions
Summary
UBUNTU-CVE-2020-13596: An issue was discovered in Django 2.2 before 2.2.13 and 3.0 before 3.0.7. Affects python-django versions < 1.6.11-0ubuntu1.3+esm1. Fixed in 1.6.11-0ubuntu1.3+esm1. How to fix ↓
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Background
The python-django package is a widely used web framework for building web applications in Python. It provides a robust set of tools and features that facilitate rapid development and clean, pragmatic design. However, certain versions of this package have been found to be vulnerable to an XSS (Cross-Site Scripting) attack due to improper URL encoding of query parameters generated by the Django admin ForeignKeyRawIdWidget.
Vulnerability Detail
An issue was discovered in Django versions 2.2 before 2.2.13 and 3.0 before 3.0.7. The vulnerability arises from the failure to properly URL encode query parameters generated by the Django admin ForeignKeyRawIdWidget. This oversight can lead to XSS attacks, where an attacker could inject malicious scripts into web pages viewed by other users, potentially compromising user data and application integrity.
How To Fix
Minimum fixed version
1.6.11-0ubuntu1.3+esm1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade python-django
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Workaround
If immediate patching is not feasible, consider implementing input validation and sanitization on user inputs to mitigate the risk of XSS attacks. Additionally, restrict access to the Django admin interface to trusted users only.
Conclusion
The XSS vulnerability in the python-django package poses a significant risk to applications using affected versions. It is crucial to update to the latest patched versions to safeguard against potential attacks. Regular monitoring and vulnerability assessments using tools like Vulert can help maintain application security.
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FAQ
The CVSS score of this vulnerability is 6.1, indicating a medium severity level.
Django versions 2.2 before 2.2.13 and 3.0 before 3.0.7 are affected by this vulnerability.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
If exploited, this vulnerability can lead to XSS attacks, allowing attackers to inject malicious scripts that could compromise user data and application security.
For Ubuntu 14.04 LTS, a subscription to Ubuntu Pro is required for access to the patched version. However, no subscription is needed for the patched versions on Ubuntu 16.04 LTS, 18.04 LTS, and 20.04 LTS.
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