python3x-pip/SOURCES/CVE-2021-33503.patch

43 lines
1.6 KiB
Diff

From 6d2dcef3427b96c36ddfebf217f774a2c5ecad38 Mon Sep 17 00:00:00 2001
From: Lumir Balhar <lbalhar@redhat.com>
Date: Wed, 30 Jun 2021 09:27:07 +0200
Subject: [PATCH] CVE-2021-33503
---
src/pip/_vendor/urllib3/util/url.py | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/src/pip/_vendor/urllib3/util/url.py b/src/pip/_vendor/urllib3/util/url.py
index 5fe37a7..addaeb7 100644
--- a/src/pip/_vendor/urllib3/util/url.py
+++ b/src/pip/_vendor/urllib3/util/url.py
@@ -63,12 +63,12 @@ IPV6_ADDRZ_RE = re.compile("^" + IPV6_ADDRZ_PAT + "$")
BRACELESS_IPV6_ADDRZ_RE = re.compile("^" + IPV6_ADDRZ_PAT[2:-2] + "$")
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._-~"
@@ -374,7 +374,9 @@ 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 == "":
--
2.31.1