Cross-Site Scripting Vulnerability in Python Django - CVE-2011-0697
Summary
CVE-2011-0697: Cross-site scripting (XSS) vulnerability in Django 1.1.x before 1.1.4 and 1.2.x before 1.2.5 might allow remote attackers to inject arbitrary web script or HTML via a filename associated with a file upload. Affects python-django versions < 1.2.5-1. Fixed in 1.2.5-1. How to fix ↓
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Background
Python Django is a high-level web framework that encourages rapid development and clean, pragmatic design. It is widely used for building web applications and comes with a plethora of features including an ORM, authentication, and an admin interface. However, certain versions of Django are vulnerable to a cross-site scripting (XSS) attack, which can allow attackers to inject malicious scripts into web pages viewed by other users.
Vulnerability Detail
The vulnerability identified as CVE-2011-0697 is a cross-site scripting (XSS) flaw present in Django versions 1.1.x prior to 1.1.4 and 1.2.x prior to 1.2.5. This issue arises from improper handling of filenames associated with file uploads, allowing remote attackers to inject arbitrary web scripts or HTML. The ramifications of this vulnerability can be severe, as it may lead to session hijacking, data theft, or other malicious activities that compromise user security.
How To Fix
Minimum fixed version
1.2.5-1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade python-djangoTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
If upgrading is not immediately possible, a temporary workaround is to sanitize filenames before they are processed by the application. This can be done by stripping out any potentially dangerous characters or encoding the filenames appropriately to prevent script injection.
Conclusion
CVE-2011-0697 represents a significant security risk for applications using vulnerable versions of Django. It is crucial for developers to upgrade to the latest versions to protect against potential attacks. Additionally, implementing proper input sanitization can help mitigate risks until an upgrade can be performed.
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FAQ
CVE-2011-0697 is a cross-site scripting vulnerability in certain versions of the Django web framework that allows attackers to inject malicious scripts through file upload filenames.
Django versions 1.1.x before 1.1.4 and 1.2.x before 1.2.5 are affected by this vulnerability.
The vulnerability can lead to session hijacking, data theft, and other malicious activities that compromise user security.
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 an immediate upgrade is not possible, you should sanitize filenames before processing them to mitigate the risk of XSS attacks.
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