import python3x-pip-20.2.4-5.module+el8.5.0+11712+ea2d2be1
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SOURCES/CVE-2021-33503.patch
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SOURCES/CVE-2021-33503.patch
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From 6d2dcef3427b96c36ddfebf217f774a2c5ecad38 Mon Sep 17 00:00:00 2001
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From: Lumir Balhar <lbalhar@redhat.com>
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Date: Wed, 30 Jun 2021 09:27:07 +0200
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Subject: [PATCH] CVE-2021-33503
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---
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src/pip/_vendor/urllib3/util/url.py | 8 +++++---
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1 file changed, 5 insertions(+), 3 deletions(-)
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diff --git a/src/pip/_vendor/urllib3/util/url.py b/src/pip/_vendor/urllib3/util/url.py
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index 5fe37a7..addaeb7 100644
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--- a/src/pip/_vendor/urllib3/util/url.py
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+++ b/src/pip/_vendor/urllib3/util/url.py
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@@ -63,12 +63,12 @@ IPV6_ADDRZ_RE = re.compile("^" + IPV6_ADDRZ_PAT + "$")
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BRACELESS_IPV6_ADDRZ_RE = re.compile("^" + IPV6_ADDRZ_PAT[2:-2] + "$")
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ZONE_ID_RE = re.compile("(" + ZONE_ID_PAT + r")\]$")
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-SUBAUTHORITY_PAT = (u"^(?:(.*)@)?(%s|%s|%s)(?::([0-9]{0,5}))?$") % (
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+_HOST_PORT_PAT = ("^(%s|%s|%s)(?::([0-9]{0,5}))?$") % (
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REG_NAME_PAT,
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IPV4_PAT,
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IPV6_ADDRZ_PAT,
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)
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-SUBAUTHORITY_RE = re.compile(SUBAUTHORITY_PAT, re.UNICODE | re.DOTALL)
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+_HOST_PORT_RE = re.compile(_HOST_PORT_PAT, re.UNICODE | re.DOTALL)
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UNRESERVED_CHARS = set(
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"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789._-~"
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@@ -374,7 +374,9 @@ def parse_url(url):
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scheme = scheme.lower()
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if authority:
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- auth, host, port = SUBAUTHORITY_RE.match(authority).groups()
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+ auth, _, host_port = authority.rpartition("@")
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+ auth = auth or None
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+ host, port = _HOST_PORT_RE.match(host_port).groups()
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if auth and normalize_uri:
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auth = _encode_invalid_chars(auth, USERINFO_CHARS)
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if port == "":
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--
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2.31.1
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@ -19,7 +19,7 @@
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Name: python3x-%{srcname}
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Version: %{base_version}%{?prerel:~%{prerel}}
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Release: 4%{?dist}
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Release: 5%{?dist}
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Summary: A tool for installing and managing Python packages
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# We bundle a lot of libraries with pip, which itself is under MIT license.
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@ -102,6 +102,11 @@ Patch5: nowarn-pip._internal.main.patch
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# Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1962856
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Patch6: CVE-2021-3572.patch
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# CVE-2021-33503 Catastrophic backtracking in URL authority parser
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# Tracking bug: https://bugzilla.redhat.com/show_bug.cgi?id=1968074
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# Upstream fix: https://github.com/urllib3/urllib3/commit/2d4a3fee6de2fa45eb82169361918f759269b4ec
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Patch7: CVE-2021-33503.patch
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# Downstream only patch
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# Users might have local installations of pip from using
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# `pip install --user --upgrade pip` on older/newer versions.
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@ -444,6 +449,10 @@ fi
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%{python_wheeldir}/%{python_wheelname}
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%changelog
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* Wed Jun 30 2021 Lumír Balhar <lbalhar@redhat.com> - 20.2.4-5
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- Fix for CVE-2021-33503 Catastrophic backtracking in URL authority parser
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Resolves: rhbz#1968074
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* Tue Jun 08 2021 Lumír Balhar <lbalhar@redhat.com> - 20.2.4-4
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- Fix for CVE-2021-3572 - pip incorrectly handled unicode separators in git references
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Resolves: rhbz#1962856
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