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Category:   Application (Generic)  >   Django Vendors:   djangoproject.com
(Ubuntu Issues Fix) Django Input Validation Flaw in Technical 500 Template Lets Remote Users Conduct Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1040423
SecurityTracker URL:  http://securitytracker.com/id/1040423
CVE Reference:   CVE-2017-12794   (Links to External Site)
Date:  Feb 22 2018
Impact:   Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 1.9, 1.10, 1.11
Description:   A vulnerability was reported in Django. A remote user can conduct cross-site scripting attacks.

The Technical 500 Template does not properly filter HTML code from user-supplied input before displaying the input. A remote user can cause arbitrary scripting code to be executed by the target user's browser. The code will originate from the site running the Django software and will run in the security context of that site. As a result, the code will be able to access the target user's cookies (including authentication cookies), if any, associated with the site, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.

Systems configured with 'DEBUG = True' are affected.

Charles Bideau reported this vulnerability.

Impact:   A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the Django software, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.
Solution:   Ubuntu has issued a fix.

The Ubuntu advisory is available at:

https://www.ubuntu.com/usn/usn-3559-1

Vendor URL:  www.ubuntu.com/usn/usn-3559-1 (Links to External Site)
Cause:   Input validation error
Underlying OS:  Linux (Ubuntu)
Underlying OS Comments:  17.10

Message History:   This archive entry is a follow-up to the message listed below.
Sep 6 2017 Django Input Validation Flaw in Technical 500 Template Lets Remote Users Conduct Cross-Site Scripting Attacks



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