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[Mahara Bot <1470281@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://reviews.mahara.org/4821
Committed: https://git.nzoss.org.nz/mahara/mahara/commit/96b117e5e37cc4a9f630902c51f1dfeaa45f8a9a
Submitter: Aaron Wells (aaronw@xxxxxxxxxxxxxxx)
Branch:    master

commit 96b117e5e37cc4a9f630902c51f1dfeaa45f8a9a
Author: Yuliya Bozhko <yuliya.bozhko@xxxxxxxxxxxxx>
Date:   Thu Jun 4 08:24:53 2015 +0100

Use nosniff header to prevent potential XSS via untrusted files in IE

Bug 1470281

See
https://msdn.microsoft.com/en-us/library/gg622941(v=vs.85).aspx
https://www.owasp.org/index.php/List_of_useful_HTTP_headers

Solution is to add it to file serving code in places where we do forced
download of files.

Change-Id: Ic46d02f65d9ed1cb57fb50e8fab2cbc9f62428a1
Signed-off-by: Yuliya Bozhko <yuliya.bozhko@xxxxxxxxxxxxx>
Signed-off-by: Aaron Wells <aaronw@xxxxxxxxxxxxxxx>

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https://bugs.launchpad.net/bugs/1470281

Title:
  Use "nosniff" header to prevent potential XSS via untrusted files in
  IE

Status in Mahara ePortfolio:
  Fix Committed
Status in Mahara 1.10 series:
  Fix Committed
Status in Mahara 1.9 series:
  Fix Committed
Status in Mahara 15.04 series:
  In Progress
Status in Mahara 15.10 series:
  Fix Committed

Bug description:
  Yuliya posted this one directly into Gerrit:
  https://reviews.mahara.org/#/c/4821/

  Use nosniff header to prevent potential XSS via untrusted files in IE

  See
   - https://msdn.microsoft.com/en-us/library/gg622941(v=vs.85).aspx
   - https://www.owasp.org/index.php/List_of_useful_HTTP_headers

  Solution is to add it to file serving code in places where we do
  forced download of files.

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