Critical Denial-of-Service Vulnerability in Python-Django Package
Summary
UBUNTU-CVE-2024-45230: An issue was discovered in Django 5.1 before 5.1.1, 5.0 before 5.0.9, and 4.2 before 4.2.16. 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
Python-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 offers features such as an ORM, routing, and templating. However, recent vulnerabilities have raised concerns about its security, particularly regarding the handling of large inputs in certain template filters.
Vulnerability Detail
An issue was discovered in Django versions 5.1 before 5.1.1, 5.0 before 5.0.9, and 4.2 before 4.2.16. The vulnerability lies in the urlize() and urlizetrunc() template filters, which are susceptible to a potential denial-of-service attack when processing very large inputs containing specific sequences of characters. This could lead to application crashes or unresponsiveness, severely impacting user experience and application availability.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
If immediate updating is not feasible, consider implementing input validation to limit the size and content of inputs processed by the urlize() and urlizetrunc() filters. This can help mitigate the risk of denial-of-service attacks.
Conclusion
In summary, the identified vulnerability in the Python-Django package poses a significant risk of denial-of-service attacks due to improper handling of large inputs in specific template filters. It is crucial for users to update to the patched versions to mitigate this risk and ensure the security and availability of their applications.
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FAQ
The CVSS score of this vulnerability is 7.5, indicating a high severity level.
Django versions 5.1 before 5.1.1, 5.0 before 5.0.9, and 4.2 before 4.2.16 are affected by this vulnerability.
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The potential consequences include application crashes and unresponsiveness, leading to a denial-of-service condition that affects user access and experience.
No subscription is required to access the patched version of the Python-Django package for Ubuntu users.
References
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