!60 [sync] PR-57: fix CVE-2024-52304

From: @openeuler-sync-bot 
Reviewed-by: @lyn1001 
Signed-off-by: @lyn1001
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openeuler-ci-bot 2024-11-21 06:09:34 +00:00 committed by Gitee
commit aa475252d0
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2 changed files with 113 additions and 1 deletions

108
CVE-2024-52304.patch Normal file
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@ -0,0 +1,108 @@
From 541d86d9e7884590c655876cd40042565293d8df Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Wed, 13 Nov 2024 08:14:06 -0600
Subject: [PATCH] Fix incorrect parsing of chunk extensions with the pure
Python parser (#9851)
---
CHANGES/9851.bugfix.rst | 1 +
aiohttp/http_parser.py | 7 ++++++
tests/test_http_parser.py | 48 ++++++++++++++++++++++++++++++++++++++-
3 files changed, 55 insertions(+), 1 deletion(-)
create mode 100644 CHANGES/9851.bugfix.rst
diff --git a/CHANGES/9851.bugfix.rst b/CHANGES/9851.bugfix.rst
new file mode 100644
index 0000000..02541a9
--- /dev/null
+++ b/CHANGES/9851.bugfix.rst
@@ -0,0 +1 @@
+Fixed incorrect parsing of chunk extensions with the pure Python parser -- by :user:`bdraco`.
diff --git a/aiohttp/http_parser.py b/aiohttp/http_parser.py
index b182877..af42272 100644
--- a/aiohttp/http_parser.py
+++ b/aiohttp/http_parser.py
@@ -730,6 +730,13 @@ class HttpPayloadParser:
i = chunk.find(CHUNK_EXT, 0, pos)
if i >= 0:
size_b = chunk[:i] # strip chunk-extensions
+ # Verify no LF in the chunk-extension
+ if b"\n" in (ext := chunk[i:pos]):
+ exc = BadHttpMessage(
+ f"Unexpected LF in chunk-extension: {ext!r}"
+ )
+ set_exception(self.payload, exc)
+ raise exc
else:
size_b = chunk[:pos]
diff --git a/tests/test_http_parser.py b/tests/test_http_parser.py
index 9db34dd..6e14827 100644
--- a/tests/test_http_parser.py
+++ b/tests/test_http_parser.py
@@ -10,6 +10,7 @@ from yarl import URL
import aiohttp
from aiohttp import http_exceptions, streams
+from aiohttp.base_protocol import BaseProtocol
from aiohttp.http_parser import (
DeflateBuffer,
HttpPayloadParser,
@@ -758,8 +759,53 @@ def test_parse_no_length_payload(parser) -> None:
msg, payload = parser.feed_data(text)[0][0]
assert payload.is_eof()
+@pytest.mark.skipif(NO_EXTENSIONS, reason="Only tests C parser.")
+async def test_parse_chunked_payload_with_lf_in_extensions_c_parser(
+ loop: asyncio.AbstractEventLoop, protocol: BaseProtocol
+) -> None:
+ """Test the C-parser with a chunked payload that has a LF in the chunk extensions."""
+ # The C parser will raise a BadHttpMessage from feed_data
+ parser = HttpRequestParserC(
+ protocol,
+ loop,
+ 2**16,
+ max_line_size=8190,
+ max_field_size=8190,
+ )
+ payload = (
+ b"GET / HTTP/1.1\r\nHost: localhost:5001\r\n"
+ b"Transfer-Encoding: chunked\r\n\r\n2;\nxx\r\n4c\r\n0\r\n\r\n"
+ b"GET /admin HTTP/1.1\r\nHost: localhost:5001\r\n"
+ b"Transfer-Encoding: chunked\r\n\r\n0\r\n\r\n"
+ )
+ with pytest.raises(http_exceptions.BadHttpMessage, match="\\\\nxx"):
+ parser.feed_data(payload)
+async def test_parse_chunked_payload_with_lf_in_extensions_py_parser(
+ loop: asyncio.AbstractEventLoop, protocol: BaseProtocol
+) -> None:
+ """Test the py-parser with a chunked payload that has a LF in the chunk extensions."""
+ # The py parser will not raise the BadHttpMessage directly, but instead
+ # it will set the exception on the StreamReader.
+ parser = HttpRequestParserPy(
+ protocol,
+ loop,
+ 2**16,
+ max_line_size=8190,
+ max_field_size=8190,
+ )
+ payload = (
+ b"GET / HTTP/1.1\r\nHost: localhost:5001\r\n"
+ b"Transfer-Encoding: chunked\r\n\r\n2;\nxx\r\n4c\r\n0\r\n\r\n"
+ b"GET /admin HTTP/1.1\r\nHost: localhost:5001\r\n"
+ b"Transfer-Encoding: chunked\r\n\r\n0\r\n\r\n"
+ )
+ messages, _, _ = parser.feed_data(payload)
+ reader = messages[0][1]
+ assert isinstance(reader.exception(), http_exceptions.BadHttpMessage)
+ assert "\\nxx" in str(reader.exception())
+
-def test_partial_url(parser) -> None:
+def test_partial_url(parser: HttpRequestParser) -> None:
messages, upgrade, tail = parser.feed_data(b"GET /te")
assert len(messages) == 0
messages, upgrade, tail = parser.feed_data(b"st HTTP/1.1\r\n\r\n")
--
2.43.0

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@ -1,7 +1,7 @@
%global _empty_manifest_terminate_build 0 %global _empty_manifest_terminate_build 0
Name: python-aiohttp Name: python-aiohttp
Version: 3.7.4 Version: 3.7.4
Release: 4 Release: 5
Summary: Async http client/server framework (asyncio) Summary: Async http client/server framework (asyncio)
License: Apache 2 License: Apache 2
URL: https://github.com/aio-libs/aiohttp URL: https://github.com/aio-libs/aiohttp
@ -9,6 +9,7 @@ Source0: https://files.pythonhosted.org/packages/99/f5/90ede947a3ce2d6de1614799f
Patch0: change-require-chardet-package-version.patch Patch0: change-require-chardet-package-version.patch
Patch1: CVE-2023-47641.patch Patch1: CVE-2023-47641.patch
Patch2: CVE-2023-49081.patch Patch2: CVE-2023-49081.patch
Patch3: CVE-2024-52304.patch
BuildRequires: python3-attrs BuildRequires: python3-attrs
BuildRequires: python3-chardet BuildRequires: python3-chardet
@ -79,6 +80,9 @@ mv %{buildroot}/doclist.lst .
%{_docdir}/* %{_docdir}/*
%changelog %changelog
* Wed Nov 20 2024 Deyuan Fan <fandeyuan@kylinos.cn> - 3.7.4-5
- Fix CVE-2024-52304
* Fri Dec 01 2023 wangkai <13474090681@163.com> - 3.7.4-4 * Fri Dec 01 2023 wangkai <13474090681@163.com> - 3.7.4-4
- Fix CVE-2023-49081 - Fix CVE-2023-49081