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- Add CVE-2023-24329-blank-URL-bypass.patch (CVE-2023-24329,

Browse Source 
bsc#1208471) blocklists bypass via the urllib.parse component
  when supplying a URL that starts with blank characters

OBS-URL: https://build.opensuse.org/package/show/devel:languages:python:Factory/python310?expand=0&rev=76
This commit is contained in:
Matej Cepl 2023-03-01 21:21:46 +00:00 committed by Git OBS Bridge
parent a60c90b1d7
commit 602adbc016
3 changed files with 63 additions and 0 deletions
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55
CVE-2023-24329-blank-URL-bypass.patch Normal file
View File

@ -0,0 +1,55 @@
From a284d69de1d1a42714576d4a9562145a94e62127 Mon Sep 17 00:00:00 2001
From: Ben Kallus <benjamin.p.kallus.gr@dartmouth.edu>
Date: Sat, 12 Nov 2022 15:43:33 -0500
Subject: [PATCH 1/2] gh-99418: Prevent urllib.parse.urlparse from accepting
schemes that don't begin with an alphabetical ASCII character.
---
Lib/test/test_urlparse.py | 18 ++++++++++
Lib/urllib/parse.py | 2 -
Misc/NEWS.d/next/Library/2022-11-12-15-45-51.gh-issue-99418.FxfAXS.rst | 2 +
3 files changed, 21 insertions(+), 1 deletion(-)
--- a/Lib/test/test_urlparse.py
+++ b/Lib/test/test_urlparse.py
@@ -668,6 +668,24 @@ class UrlParseTestCase(unittest.TestCase
with self.assertRaises(ValueError):
p.port
+ def test_attributes_bad_scheme(self):
+ """Check handling of invalid schemes."""
+ for bytes in (False, True):
+ for parse in (urllib.parse.urlsplit, urllib.parse.urlparse):
+ for scheme in (".", "+", "-", "0", "http&", "६http"):
+ with self.subTest(bytes=bytes, parse=parse, scheme=scheme):
+ url = scheme + "://www.example.net"
+ if bytes:
+ if url.isascii():
+ url = url.encode("ascii")
+ else:
+ continue
+ p = parse(url)
+ if bytes:
+ self.assertEqual(p.scheme, b"")
+ else:
+ self.assertEqual(p.scheme, "")
+
def test_attributes_without_netloc(self):
# This example is straight from RFC 3261. It looks like it
# should allow the username, hostname, and port to be filled
--- a/Lib/urllib/parse.py
+++ b/Lib/urllib/parse.py
@@ -469,7 +469,7 @@ def urlsplit(url, scheme='', allow_fragm
clear_cache()
netloc = query = fragment = ''
i = url.find(':')
- if i > 0:
+ if i > 0 and url[0].isascii() and url[0].isalpha():
for c in url[:i]:
if c not in scheme_chars:
break
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2022-11-12-15-45-51.gh-issue-99418.FxfAXS.rst
@@ -0,0 +1,2 @@
+Fix bug in :func:`urllib.parse.urlparse` that causes URL schemes that begin
+with a digit, a plus sign, or a minus sign to be parsed incorrectly.

3
python310.changes
View File

@ -4,6 +4,9 @@ Wed Mar 1 20:59:04 UTC 2023 - Matej Cepl <mcepl@suse.com>
- Update to 3.10.10:
Bug fixes and regressions handling, no change of behaviour and
no security bugs fixed.
- Add CVE-2023-24329-blank-URL-bypass.patch (CVE-2023-24329,
bsc#1208471) blocklists bypass via the urllib.parse component
when supplying a URL that starts with blank characters
-------------------------------------------------------------------
Tue Feb 21 11:34:49 UTC 2023 - Matej Cepl <mcepl@suse.com>

5
python310.spec
View File

@ -166,6 +166,10 @@ Patch35: fix_configure_rst.patch
# PATCH-FIX-UPSTREAM bpo-46811 gh#python/cpython#7da97f61816f mcepl@suse.com
# NOTE: SUSE version of expat 2.4.4 is patched in SUSE for CVE-2022-25236
Patch36: support-expat-CVE-2022-25236-patched.patch
# PATCH-FIX-UPSTREAM CVE-2023-24329-blank-URL-bypass.patch bsc#1208471 mcepl@suse.com
# blocklist bypass via the urllib.parse component when supplying
# a URL that starts with blank characters
Patch37: CVE-2023-24329-blank-URL-bypass.patch
BuildRequires: autoconf-archive
BuildRequires: automake
BuildRequires: fdupes
@ -438,6 +442,7 @@ other applications.
%endif
%patch35 -p1
%patch36 -p1
%patch37 -p1
# drop Autoconf version requirement
sed -i 's/^AC_PREREQ/dnl AC_PREREQ/' configure.ac