1 files changed, 0 insertions, 154 deletions

diff --git a/meta/recipes-devtools/python/python3/CVE-2019-9636.patch b/meta/recipes-devtools/python/python3/CVE-2019-9636.patch
deleted file mode 100644
index 72128f0b0d..0000000000
--- a/meta/recipes-devtools/python/python3/CVE-2019-9636.patch
+++ /dev/null
@@ -1,154 +0,0 @@
-From daad2c482c91de32d8305abbccc76a5de8b3a8be Mon Sep 17 00:00:00 2001
-From: Steve Dower <steve.dower@microsoft.com>
-Date: Thu, 7 Mar 2019 09:08:18 -0800
-Subject: [PATCH] bpo-36216: Add check for characters in netloc that normalize
- to separators (GH-12201)
-
-Upstream-Status: Backport
-CVE: CVE-2019-9636
-Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
-
----
- Doc/library/urllib.parse.rst                  | 18 +++++++++++++++
- Lib/test/test_urlparse.py                     | 23 +++++++++++++++++++
- Lib/urllib/parse.py                           | 17 ++++++++++++++
- .../2019-03-06-09-38-40.bpo-36216.6q1m4a.rst  |  3 +++
- 4 files changed, 61 insertions(+)
- create mode 100644 Misc/NEWS.d/next/Security/2019-03-06-09-38-40.bpo-36216.6q1m4a.rst
-
-diff --git a/Doc/library/urllib.parse.rst b/Doc/library/urllib.parse.rst
-index 0c8f0f607314..b565e1edd321 100644
---- a/Doc/library/urllib.parse.rst
-+++ b/Doc/library/urllib.parse.rst
-@@ -124,6 +124,11 @@ or on combining URL components into a URL string.
-    Unmatched square brackets in the :attr:`netloc` attribute will raise a
-    :exc:`ValueError`.
- 
-+   Characters in the :attr:`netloc` attribute that decompose under NFKC
-+   normalization (as used by the IDNA encoding) into any of ``/``, ``?``,
-+   ``#``, ``@``, or ``:`` will raise a :exc:`ValueError`. If the URL is
-+   decomposed before parsing, no error will be raised.
-+
-    .. versionchanged:: 3.2
-       Added IPv6 URL parsing capabilities.
- 
-@@ -136,6 +141,10 @@ or on combining URL components into a URL string.
-       Out-of-range port numbers now raise :exc:`ValueError`, instead of
-       returning :const:`None`.
- 
-+   .. versionchanged:: 3.7.3
-+      Characters that affect netloc parsing under NFKC normalization will
-+      now raise :exc:`ValueError`.
-+
- 
- .. function:: parse_qs(qs, keep_blank_values=False, strict_parsing=False, encoding='utf-8', errors='replace', max_num_fields=None)
- 
-@@ -257,10 +266,19 @@ or on combining URL components into a URL string.
-    Unmatched square brackets in the :attr:`netloc` attribute will raise a
-    :exc:`ValueError`.
- 
-+   Characters in the :attr:`netloc` attribute that decompose under NFKC
-+   normalization (as used by the IDNA encoding) into any of ``/``, ``?``,
-+   ``#``, ``@``, or ``:`` will raise a :exc:`ValueError`. If the URL is
-+   decomposed before parsing, no error will be raised.
-+
-    .. versionchanged:: 3.6
-       Out-of-range port numbers now raise :exc:`ValueError`, instead of
-       returning :const:`None`.
- 
-+   .. versionchanged:: 3.7.3
-+      Characters that affect netloc parsing under NFKC normalization will
-+      now raise :exc:`ValueError`.
-+
- 
- .. function:: urlunsplit(parts)
- 
-diff --git a/Lib/test/test_urlparse.py b/Lib/test/test_urlparse.py
-index be50b47603aa..e6638aee2244 100644
---- a/Lib/test/test_urlparse.py
-+++ b/Lib/test/test_urlparse.py
-@@ -1,3 +1,5 @@
-+import sys
-+import unicodedata
- import unittest
- import urllib.parse
- 
-@@ -984,6 +986,27 @@ def test_all(self):
-                 expected.append(name)
-         self.assertCountEqual(urllib.parse.__all__, expected)
- 
-+    def test_urlsplit_normalization(self):
-+        # Certain characters should never occur in the netloc,
-+        # including under normalization.
-+        # Ensure that ALL of them are detected and cause an error
-+        illegal_chars = '/:#?@'
-+        hex_chars = {'{:04X}'.format(ord(c)) for c in illegal_chars}
-+        denorm_chars = [
-+            c for c in map(chr, range(128, sys.maxunicode))
-+            if (hex_chars & set(unicodedata.decomposition(c).split()))
-+            and c not in illegal_chars
-+        ]
-+        # Sanity check that we found at least one such character
-+        self.assertIn('\u2100', denorm_chars)
-+        self.assertIn('\uFF03', denorm_chars)
-+
-+        for scheme in ["http", "https", "ftp"]:
-+            for c in denorm_chars:
-+                url = "{}://netloc{}false.netloc/path".format(scheme, c)
-+                with self.subTest(url=url, char='{:04X}'.format(ord(c))):
-+                    with self.assertRaises(ValueError):
-+                        urllib.parse.urlsplit(url)
- 
- class Utility_Tests(unittest.TestCase):
-     """Testcase to test the various utility functions in the urllib."""
-diff --git a/Lib/urllib/parse.py b/Lib/urllib/parse.py
-index f691ab74f87f..39c5d6a80824 100644
---- a/Lib/urllib/parse.py
-+++ b/Lib/urllib/parse.py
-@@ -391,6 +391,21 @@ def _splitnetloc(url, start=0):
-             delim = min(delim, wdelim)     # use earliest delim position
-     return url[start:delim], url[delim:]   # return (domain, rest)
- 
-+def _checknetloc(netloc):
-+    if not netloc or netloc.isascii():
-+        return
-+    # looking for characters like \u2100 that expand to 'a/c'
-+    # IDNA uses NFKC equivalence, so normalize for this check
-+    import unicodedata
-+    netloc2 = unicodedata.normalize('NFKC', netloc)
-+    if netloc == netloc2:
-+        return
-+    _, _, netloc = netloc.rpartition('@') # anything to the left of '@' is okay
-+    for c in '/?#@:':
-+        if c in netloc2:
-+            raise ValueError("netloc '" + netloc2 + "' contains invalid " +
-+                             "characters under NFKC normalization")
-+
- def urlsplit(url, scheme='', allow_fragments=True):
-     """Parse a URL into 5 components:
-     <scheme>://<netloc>/<path>?<query>#<fragment>
-@@ -419,6 +434,7 @@ def urlsplit(url, scheme='', allow_fragments=True):
-                 url, fragment = url.split('#', 1)
-             if '?' in url:
-                 url, query = url.split('?', 1)
-+            _checknetloc(netloc)
-             v = SplitResult('http', netloc, url, query, fragment)
-             _parse_cache[key] = v
-             return _coerce_result(v)
-@@ -442,6 +458,7 @@ def urlsplit(url, scheme='', allow_fragments=True):
-         url, fragment = url.split('#', 1)
-     if '?' in url:
-         url, query = url.split('?', 1)
-+    _checknetloc(netloc)
-     v = SplitResult(scheme, netloc, url, query, fragment)
-     _parse_cache[key] = v
-     return _coerce_result(v)
-diff --git a/Misc/NEWS.d/next/Security/2019-03-06-09-38-40.bpo-36216.6q1m4a.rst b/Misc/NEWS.d/next/Security/2019-03-06-09-38-40.bpo-36216.6q1m4a.rst
-new file mode 100644
-index 000000000000..5546394157f9
---- /dev/null
-+++ b/Misc/NEWS.d/next/Security/2019-03-06-09-38-40.bpo-36216.6q1m4a.rst
-@@ -0,0 +1,3 @@
-+Changes urlsplit() to raise ValueError when the URL contains characters that
-+decompose under IDNA encoding (NFKC-normalization) into characters that
-+affect how the URL is parsed.