Critical Information Disclosure Vulnerability in Python-Django Package
Summary
UBUNTU-CVE-2021-45116: An issue was discovered in Django 2.2 before 2.2.26, 3.2 before 3.2.11, and 4.0 before 4.0.1. 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 provides a robust set of features for developers. However, certain versions of Python-Django are vulnerable to a critical information disclosure issue due to flaws in the Django Template Language's variable resolution logic.
Vulnerability Detail
An issue was discovered in Django versions 2.2 before 2.2.26, 3.2 before 3.2.11, and 4.0 before 4.0.1. The vulnerability arises from the dictsort template filter, which can be exploited if passed a specially crafted key. This could lead to information disclosure or unintended method calls, potentially compromising the integrity of the application and exposing sensitive data.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
If immediate patching is not feasible, consider disabling the use of the dictsort template filter in your Django templates until the package can be updated. This can help mitigate the risk of exploitation.
Conclusion
The vulnerability in the Python-Django package poses a significant risk due to potential information disclosure and unintended method calls. It is crucial for users to update to the patched versions as soon as possible to safeguard their applications. Utilizing tools like Vulert can help in monitoring and managing such vulnerabilities effectively.
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FAQ
The CVSS score of this vulnerability is 7.5, indicating a high severity level.
The affected versions include Django 2.2 before 2.2.26, 3.2 before 3.2.11, and 4.0 before 4.0.1.
You can use Vulert, which allows you to monitor and alert for open-source vulnerabilities in your software using just a manifest file like package-lock.json. You can also check your application on the Vulert playground without any signup.
Exploitation of this vulnerability could lead to information disclosure or unintended method calls, which may compromise sensitive data and application integrity.
No subscription is required to access the patched versions of the Python-Django package.
References
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