File fix-cve-2022-36359.patch of Package python-Django.17977

Overview Repositories Revisions Requests Users Attributes Meta

File fix-cve-2022-36359.patch of Package python-Django.17977

Index: Django-2.2.28/django/http/response.py
===================================================================
--- Django-2.2.28.orig/django/http/response.py
+++ Django-2.2.28/django/http/response.py
@@ -442,7 +442,9 @@ class FileResponse(StreamingHttpResponse
             if filename:
                 try:
                     filename.encode('ascii')
-                    file_expr = 'filename="{}"'.format(filename)
+                    file_expr = 'filename="{}"'.format(
+                        filename.replace('\\', '\\\\').replace('"', r'\"')
+                    )
                 except UnicodeEncodeError:
                     file_expr = "filename*=utf-8''{}".format(quote(filename))
                 self['Content-Disposition'] = 'attachment; {}'.format(file_expr)
Index: Django-2.2.28/tests/responses/test_fileresponse.py
===================================================================
--- Django-2.2.28.orig/tests/responses/test_fileresponse.py
+++ Django-2.2.28/tests/responses/test_fileresponse.py
@@ -71,3 +71,38 @@ class FileResponseTests(SimpleTestCase):
             response['Content-Disposition'],
             "attachment; filename*=utf-8''%E7%A5%9D%E6%82%A8%E5%B9%B3%E5%AE%89.odt"
         )
+
+    def test_content_disposition_escaping(self):
+        # fmt: off
+        tests = [
+            (
+                'multi-part-one";\" dummy".txt',
+                r"multi-part-one\";\" dummy\".txt"
+            ),
+        ]
+        # fmt: on
+        # Non-escape sequence backslashes are path segments on Windows, and are
+        # eliminated by an os.path.basename() check in FileResponse.
+        if sys.platform != "win32":
+            # fmt: off
+            tests += [
+                (
+                    'multi-part-one\\";\" dummy".txt',
+                    r"multi-part-one\\\";\" dummy\".txt"
+                ),
+                (
+                    'multi-part-one\\";\\\" dummy".txt',
+                    r"multi-part-one\\\";\\\" dummy\".txt"
+                )
+            ]
+            # fmt: on
+        for filename, escaped in tests:
+            with self.subTest(filename=filename, escaped=escaped):
+                response = FileResponse(
+                    io.BytesIO(b"binary content"), filename=filename, as_attachment=True
+                )
+                response.close()
+                self.assertEqual(
+                    response["Content-Disposition"],
+                    f'attachment; filename="{escaped}"',
+                )

Places

File fix-cve-2022-36359.patch of Package python-Django.17977

Places