python-pip/backport-CVE-2023-45803-Made-body-stripped-from-HTTP-requests.patch
2024-07-13 16:52:51 +08:00

100 lines
3.9 KiB
Diff

From b594c5ceaca38e1ac215f916538fb128e3526a36 Mon Sep 17 00:00:00 2001
From: Illia Volochii <illia.volochii@gmail.com>
Date: Tue, 17 Oct 2023 19:35:39 +0300
Subject: [PATCH] Merge pull request from GHSA-g4mx-q9vg-27p4
Conflict:Files dummyserver/handlers.py, test/with_dummyserver/test_connectionpool.py
and test/with_dummyserver/test_poolmanager.py do not exist. Therefore, no dummy server
and test case is involved.
Reference:https://github.com/urllib3/urllib3/commit/b594c5ceaca38e1ac215f916538fb128e3526a36
---
src/pip/_vendor/urllib3/_collections.py | 18 ++++++++++++++++++
src/pip/_vendor/urllib3/connectionpool.py | 5 +++++
src/pip/_vendor/urllib3/poolmanager.py | 7 +++++--
3 files changed, 28 insertions(+), 2 deletions(-)
diff --git a/src/pip/_vendor/urllib3/_collections.py b/src/pip/_vendor/urllib3/_collections.py
index da9857e..bceb845 100644
--- a/src/pip/_vendor/urllib3/_collections.py
+++ b/src/pip/_vendor/urllib3/_collections.py
@@ -268,6 +268,24 @@ class HTTPHeaderDict(MutableMapping):
else:
return vals[1:]
+ def _prepare_for_method_change(self):
+ """
+ Remove content-specific header fields before changing the request
+ method to GET or HEAD according to RFC 9110, Section 15.4.
+ """
+ content_specific_headers = [
+ "Content-Encoding",
+ "Content-Language",
+ "Content-Location",
+ "Content-Type",
+ "Content-Length",
+ "Digest",
+ "Last-Modified",
+ ]
+ for header in content_specific_headers:
+ self.discard(header)
+ return self
+
# Backwards compatibility for httplib
getheaders = getlist
getallmatchingheaders = getlist
diff --git a/src/pip/_vendor/urllib3/connectionpool.py b/src/pip/_vendor/urllib3/connectionpool.py
index 96844d9..5a6adcb 100644
--- a/src/pip/_vendor/urllib3/connectionpool.py
+++ b/src/pip/_vendor/urllib3/connectionpool.py
@@ -9,6 +9,7 @@ import warnings
from socket import error as SocketError
from socket import timeout as SocketTimeout
+from ._collections import HTTPHeaderDict
from .connection import (
BaseSSLError,
BrokenPipeError,
@@ -843,7 +844,11 @@ class HTTPConnectionPool(ConnectionPool, RequestMethods):
redirect_location = redirect and response.get_redirect_location()
if redirect_location:
if response.status == 303:
+ # Change the method according to RFC 9110, Section 15.4.4.
method = "GET"
+ # And lose the body not to transfer anything sensitive.
+ body = None
+ headers = HTTPHeaderDict(headers)._prepare_for_method_change()
try:
retries = retries.increment(method, url, response=response, _pool=self)
diff --git a/src/pip/_vendor/urllib3/poolmanager.py b/src/pip/_vendor/urllib3/poolmanager.py
index 14b10da..fb51bf7 100644
--- a/src/pip/_vendor/urllib3/poolmanager.py
+++ b/src/pip/_vendor/urllib3/poolmanager.py
@@ -4,7 +4,7 @@ import collections
import functools
import logging
-from ._collections import RecentlyUsedContainer
+from ._collections import HTTPHeaderDict, RecentlyUsedContainer
from .connectionpool import HTTPConnectionPool, HTTPSConnectionPool, port_by_scheme
from .exceptions import (
LocationValueError,
@@ -382,9 +382,12 @@ class PoolManager(RequestMethods):
# Support relative URLs for redirecting.
redirect_location = urljoin(url, redirect_location)
- # RFC 7231, Section 6.4.4
if response.status == 303:
+ # Change the method according to RFC 9110, Section 15.4.4.
method = "GET"
+ # And lose the body not to transfer anything sensitive.
+ kw["body"] = None
+ kw["headers"] = HTTPHeaderDict(kw["headers"])._prepare_for_method_change()
retries = kw.get("retries")
if not isinstance(retries, Retry):
--
2.26.2.windows.1