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Category:   Application (Generic)  >   Django Vendors:   djangoproject.com
Django Host Header Filtering Bug Lets Remote Users Cuase Arbitrary URLs to be Displayed
SecurityTracker Alert ID:  1027708
SecurityTracker URL:  http://securitytracker.com/id/1027708
CVE Reference:   CVE-2012-4520   (Links to External Site)
Date:  Oct 30 2012
Impact:   Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 1.3 prior to 1.3.4, 1.4 prior to 1.4.2
Description:   A vulnerability was reported in Django. A remote user can cause arbitrary URLs to be displayed on the target user's system.

The django.http.HttpRequest.get_host() function does not properly validate HTTP Host header contents. A remote user can exploit this to cause certain components of Django to display arbitrary URLs.

The password-reset mechanism is affected.

Other components may be affected.

Impact:   A remote user can cause arbitrary URLs to be displayed to end users.
Solution:   The vendor has issued a fix (1.3.4, 1.4.2).

The vendor's advisory is available at:

https://www.djangoproject.com/weblog/2012/oct/17/security/

Vendor URL:  www.djangoproject.com/weblog/2012/oct/17/security/ (Links to External Site)
Cause:   Input validation error
Underlying OS:   Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


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