Denial-of-Service Vulnerability in Django Package: CVE-2024-53907
Summary
UBUNTU-CVE-2024-53907: An issue was discovered in Django 5.1 before 5.1.4, 5.0 before 5.0.10, and 4.2 before 4.2.17. Affects python-django versions 1.5.4-1ubuntu1 – 1.6.11-0ubuntu1.3+esm7. No fix is published. How to fix ↓
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Background
Django is a high-level Python web framework that encourages rapid development and clean, pragmatic design. It is widely used for building web applications and is known for its scalability and security features. However, certain versions of Django are vulnerable to a denial-of-service attack due to improper handling of HTML entities in the strip_tags() method and striptags template filter.
Vulnerability Detail
An issue was discovered in Django versions 5.1 before 5.1.4, 5.0 before 5.0.10, and 4.2 before 4.2.17. The vulnerability arises from the strip_tags() method and striptags template filter being susceptible to denial-of-service attacks when processing inputs that contain large sequences of nested incomplete HTML entities. This can lead to significant resource consumption, potentially crashing the application or making it unresponsive.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
If immediate patching is not feasible, consider implementing input validation to restrict the types of HTML entities that can be processed by the strip_tags() method and striptags template filter. This can help mitigate the risk of denial-of-service attacks.
Conclusion
CVE-2024-53907 is a significant vulnerability in the Django package that can lead to denial-of-service attacks. It is crucial for users of affected versions to update to the patched versions promptly to ensure the security and stability of their applications. Implementing input validation can serve as a temporary measure while updates are being applied.
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FAQ
CVE-2024-53907 is a vulnerability in certain versions of the Django package that allows for potential denial-of-service attacks due to improper handling of HTML entities.
The affected versions include Django 5.1 before 5.1.4, 5.0 before 5.0.10, and 4.2 before 4.2.17.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
The CVSS score of CVE-2024-53907 is 7.5, indicating a high severity level.
If you cannot update Django immediately, implement input validation to restrict the types of HTML entities processed by the vulnerable methods as a temporary workaround.
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