import python-urllib3-1.25.10-4.module+el8.5.0+11712+ea2d2be1

This commit is contained in:
CentOS Sources 2021-07-08 17:09:38 +00:00 committed by Andrew Lukoshko
parent 4ac1aba2c7
commit a55d99d719
2 changed files with 70 additions and 1 deletions

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@ -0,0 +1,61 @@
From 2d4a3fee6de2fa45eb82169361918f759269b4ec Mon Sep 17 00:00:00 2001
From: Seth Michael Larson <sethmichaellarson@gmail.com>
Date: Wed, 26 May 2021 10:43:12 -0500
Subject: [PATCH] Improve performance of sub-authority splitting in URL
---
src/urllib3/util/url.py | 8 +++++---
test/test_util.py | 10 ++++++++++
2 files changed, 15 insertions(+), 3 deletions(-)
diff --git a/src/urllib3/util/url.py b/src/urllib3/util/url.py
index 6ff238fe3c..81a03da9e3 100644
--- a/src/urllib3/util/url.py
+++ b/src/urllib3/util/url.py
@@ -63,12 +63,12 @@
BRACELESS_IPV6_ADDRZ_RE = re.compile("^" + IPV6_ADDRZ_PAT[2:-2] + "$")
ZONE_ID_RE = re.compile("(" + ZONE_ID_PAT + r")\]$")
-SUBAUTHORITY_PAT = (u"^(?:(.*)@)?(%s|%s|%s)(?::([0-9]{0,5}))?$") % (
+_HOST_PORT_PAT = ("^(%s|%s|%s)(?::([0-9]{0,5}))?$") % (
REG_NAME_PAT,
IPV4_PAT,
IPV6_ADDRZ_PAT,
)
-SUBAUTHORITY_RE = re.compile(SUBAUTHORITY_PAT, re.UNICODE | re.DOTALL)
+_HOST_PORT_RE = re.compile(_HOST_PORT_PAT, re.UNICODE | re.DOTALL)
UNRESERVED_CHARS = set(
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789._-~"
@@ -365,7 +365,9 @@ def parse_url(url):
scheme = scheme.lower()
if authority:
- auth, host, port = SUBAUTHORITY_RE.match(authority).groups()
+ auth, _, host_port = authority.rpartition("@")
+ auth = auth or None
+ host, port = _HOST_PORT_RE.match(host_port).groups()
if auth and normalize_uri:
auth = _encode_invalid_chars(auth, USERINFO_CHARS)
if port == "":
diff --git a/test/test_util.py b/test/test_util.py
index a5b68a084b..88409e2d6c 100644
--- a/test/test_util.py
+++ b/test/test_util.py
@@ -438,6 +438,16 @@ def test_netloc(self, url, expected_netloc):
fragment="hash",
),
),
+ # Tons of '@' causing backtracking
+ ("https://" + ("@" * 10000) + "[", False),
+ (
+ "https://user:" + ("@" * 10000) + "example.com",
+ Url(
+ scheme="https",
+ auth="user:" + ("%40" * 9999),
+ host="example.com",
+ ),
+ ),
]
@pytest.mark.parametrize("url, expected_url", url_vulnerabilities)

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@ -6,7 +6,7 @@
Name: python-%{srcname}
Version: 1.25.10
Release: 3%{?dist}
Release: 4%{?dist}
Summary: Python HTTP library with thread-safe connection pooling and file post
License: MIT
@ -14,6 +14,10 @@ URL: https://github.com/urllib3/urllib3
Source0: %{url}/archive/%{version}/%{srcname}-%{version}.tar.gz
# Unbundle ssl_match_hostname since we depend on it
Source1: ssl_match_hostname_py3.py
# CVE-2021-33503 Catastrophic backtracking in URL authority parser
# Tracking bug: https://bugzilla.redhat.com/show_bug.cgi?id=1968074
# Upstream fix: https://github.com/urllib3/urllib3/commit/2d4a3fee6de2fa45eb82169361918f759269b4ec
Patch0: CVE-2021-33503.patch
BuildArch: noarch
# Exclude i686 arch. Due to a modularity issue it's being added to the
# x86_64 compose of CRB, but we don't want to ship it at all.
@ -119,6 +123,10 @@ popd
%changelog
* Tue Jun 29 2021 Lumír Balhar <lbalhar@redhat.com> - 1.25.10-4
- Fix for CVE-2021-33503 Catastrophic backtracking in URL authority parser
Resolves: rhbz#1968074
* Wed Jan 13 2021 Tomas Orsava <torsava@redhat.com> - 1.25.10-3
- Convert from Fedora to the python39 module in RHEL8
- Resolves: rhbz#1877430