Hi Salvatore,
> With the 0017-CVE-2019-3498.patch patch there is something strange.
> While it touches correctly the files django/views/defaults.py and the
> tests, it touches and modifies files in debian/*, other patches and
> series file.
Thanks for your review. I went through my shell's history and
unpicked what happened; whilst I had created and tested a regular
patch file at debian/patches/CVE-2019-3498.patch I wanted to store
everything in DPMT's Git repository and, as part of that,
accidentally used git commit --whilst on the magic git-pq(1) branch
and thus included all of these nonsense changes.
Updated patch attached.
Regards,
--
,''`.
: :' : Chris Lamb
`. `'` [email protected] / chris-lamb.co.uk
`-
diff --git a/debian/changelog b/debian/changelog
index b1c56f7c5..fa89c8b21 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+python-django (1:1.10.7-2+deb9u4) stretch-security; urgency=high
+
+ * CVE-2019-3498: Prevent a content-spoofing vulnerability in the default
+ 404 page. (Closes: #918230)
+
+ -- Chris Lamb <[email protected]> Sun, 06 Jan 2019 09:35:11 +0100
+
python-django (1:1.10.7-2+deb9u3) stretch; urgency=medium
* Default to supporting Spatialite >= 4.2. (Closes: #910240)
diff --git a/debian/patches/0017-CVE-2019-3498.patch
b/debian/patches/0017-CVE-2019-3498.patch
new file mode 100644
index 000000000..588db30a8
--- /dev/null
+++ b/debian/patches/0017-CVE-2019-3498.patch
@@ -0,0 +1,95 @@
+From: Tom Hacohen <[email protected]>
+Date: Fri, 4 Jan 2019 02:21:55 +0000
+Subject: Fixed #30070,
+ CVE-2019-3498 -- Fixed content spoofing possiblity in the default 404 page.
+
+Co-Authored-By: Tim Graham <[email protected]>
+Backport of 1ecc0a395be721e987e8e9fdfadde952b6dee1c7 from master.
+---
+ django/views/defaults.py | 8 +++++---
+ tests/handlers/tests.py | 12 ++++++++----
+ 2 files changed, 13 insertions(+), 7 deletions(-)
+
+diff --git a/django/views/defaults.py b/django/views/defaults.py
+index 348837e..5ec9ac8 100644
+--- a/django/views/defaults.py
++++ b/django/views/defaults.py
+@@ -2,6 +2,7 @@ from django import http
+ from django.template import Context, Engine, TemplateDoesNotExist, loader
+ from django.utils import six
+ from django.utils.encoding import force_text
++from django.utils.http import urlquote
+ from django.views.decorators.csrf import requires_csrf_token
+
+ ERROR_404_TEMPLATE_NAME = '404.html'
+@@ -21,7 +22,8 @@ def page_not_found(request, exception,
template_name=ERROR_404_TEMPLATE_NAME):
+ Templates: :template:`404.html`
+ Context:
+ request_path
+- The path of the requested URL (e.g., '/app/pages/bad_page/')
++ The path of the requested URL (e.g., '/app/pages/bad_page/'). It's
++ quoted to prevent a content injection attack.
+ exception
+ The message from the exception which triggered the 404 (if one was
+ supplied), or the exception class name
+@@ -37,7 +39,7 @@ def page_not_found(request, exception,
template_name=ERROR_404_TEMPLATE_NAME):
+ if isinstance(message, six.text_type):
+ exception_repr = message
+ context = {
+- 'request_path': request.path,
++ 'request_path': urlquote(request.path),
+ 'exception': exception_repr,
+ }
+ try:
+@@ -50,7 +52,7 @@ def page_not_found(request, exception,
template_name=ERROR_404_TEMPLATE_NAME):
+ raise
+ template = Engine().from_string(
+ '<h1>Not Found</h1>'
+- '<p>The requested URL {{ request_path }} was not found on this
server.</p>')
++ '<p>The requested resource was not found on this server.</p>')
+ body = template.render(Context(context))
+ content_type = 'text/html'
+ return http.HttpResponseNotFound(body, content_type=content_type)
+diff --git a/tests/handlers/tests.py b/tests/handlers/tests.py
+index 9f01cb2..50a3488 100644
+--- a/tests/handlers/tests.py
++++ b/tests/handlers/tests.py
+@@ -2,6 +2,7 @@
+
+ from __future__ import unicode_literals
+
++import sys
+ import unittest
+
+ from django.core.exceptions import ImproperlyConfigured
+@@ -19,6 +20,8 @@ try:
+ except ImportError: # Python < 3.5
+ HTTPStatus = None
+
++PY37 = sys.version_info >= (3, 7, 0)
++
+
+ class HandlerTests(SimpleTestCase):
+
+@@ -180,16 +183,17 @@ class HandlerRequestTests(SimpleTestCase):
+
+ def test_invalid_urls(self):
+ response = self.client.get('~%A9helloworld')
+- self.assertContains(response, '~%A9helloworld', status_code=404)
++ self.assertEqual(response.status_code, 404)
++ self.assertEqual(response.context['request_path'],
'/~%25A9helloworld' if PY37 else '/%7E%25A9helloworld')
+
+ response = self.client.get('d%aao%aaw%aan%aal%aao%aaa%aad%aa/')
+- self.assertContains(response, 'd%AAo%AAw%AAn%AAl%AAo%AAa%AAd%AA',
status_code=404)
++ self.assertEqual(response.context['request_path'],
'/d%25AAo%25AAw%25AAn%25AAl%25AAo%25AAa%25AAd%25AA')
+
+ response = self.client.get('/%E2%99%E2%99%A5/')
+- self.assertContains(response, '%E2%99\u2665', status_code=404)
++ self.assertEqual(response.context['request_path'],
'/%25E2%2599%E2%99%A5/')
+
+ response = self.client.get('/%E2%98%8E%E2%A9%E2%99%A5/')
+- self.assertContains(response, '\u260e%E2%A9\u2665', status_code=404)
++ self.assertEqual(response.context['request_path'],
'/%E2%98%8E%25E2%25A9%E2%99%A5/')
+
+ def test_environ_path_info_type(self):
+ environ = RequestFactory().get('/%E2%A8%87%87%A5%E2%A8%A0').environ
diff --git a/debian/patches/series b/debian/patches/series
index 6ccbb746a..5bda383eb 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -8,3 +8,4 @@ fix-test-middleware-classes-headers.patch
0015-CVE-2018-14574.patch
0016-CVE-2017-12794.patch
0006-Default-to-supporting-Spatialite-4.2.patch
+0017-CVE-2019-3498.patch
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