[3.1.x] Fixed CVE-2021-33203 -- Fixed potential path-traversal via admindocs' TemplateDetailView.

1 files changed, 16 insertions, 0 deletions

diff --git a/tests/admin_docs/test_views.py b/tests/admin_docs/test_views.py
index f06afd336a..e17d083141 100644
--- a/tests/admin_docs/test_views.py
+++ b/tests/admin_docs/test_views.py
@@ -137,6 +137,22 @@ class AdminDocViewTests(TestDataMixin, AdminDocsTestCase):
         self.assertContains(response, 'View documentation')
 
 
+@unittest.skipUnless(utils.docutils_is_available, 'no docutils installed.')
+class AdminDocViewDefaultEngineOnly(TestDataMixin, AdminDocsTestCase):
+
+    def setUp(self):
+        self.client.force_login(self.superuser)
+
+    def test_template_detail_path_traversal(self):
+        cases = ['/etc/passwd', '../passwd']
+        for fpath in cases:
+            with self.subTest(path=fpath):
+                response = self.client.get(
+                    reverse('django-admindocs-templates', args=[fpath]),
+                )
+                self.assertEqual(response.status_code, 400)
+
+
 @override_settings(TEMPLATES=[{
     'NAME': 'ONE',
     'BACKEND': 'django.template.backends.django.DjangoTemplates',