!48 Fix CVE-2024-52804

From: @yajieli 
Reviewed-by: @lyn1001 
Signed-off-by: @lyn1001
This commit is contained in:
openeuler-ci-bot 2024-11-29 09:41:58 +00:00 committed by Gitee
commit 6f9add11d8
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2 changed files with 133 additions and 1 deletions

128
CVE-2024-52804.patch Normal file
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@ -0,0 +1,128 @@
From c15fb4c082df8643e562db908417fe7e0d749934 Mon Sep 17 00:00:00 2001
From: liyajie <liyajie15@h-partners.com>
Date: Wed, 27 Nov 2024 06:50:08 +0800
Subject: [PATCH 1/1] Fix CVE-2024-52804
---
tornado/httputil.py | 38 ++++++++---------------------
tornado/test/httputil_test.py | 46 +++++++++++++++++++++++++++++++++++
2 files changed, 56 insertions(+), 28 deletions(-)
diff --git a/tornado/httputil.py b/tornado/httputil.py
index ceff735..e96774c 100644
--- a/tornado/httputil.py
+++ b/tornado/httputil.py
@@ -950,15 +950,20 @@ def qs_to_qsl(qs):
yield (k, v)
-_OctalPatt = re.compile(r"\\[0-3][0-7][0-7]")
-_QuotePatt = re.compile(r"[\\].")
-_nulljoin = ''.join
+_unquote_sub = re.compile(r"\\(?:([0-3][0-7][0-7])|(.))").sub
+
+
+def _unquote_replace(m):
+ if m.group(1):
+ return chr(int(m.group(1), 8))
+ else:
+ return m.group(2)
def _unquote_cookie(str):
"""Handle double quotes and escaping in cookie values.
- This method is copied verbatim from the Python 3.5 standard
+ This method is copied verbatim from the Python 3.13 standard
library (http.cookies._unquote) so we don't have to depend on
non-public interfaces.
"""
@@ -979,30 +984,7 @@ def _unquote_cookie(str):
# \012 --> \n
# \" --> "
#
- i = 0
- n = len(str)
- res = []
- while 0 <= i < n:
- o_match = _OctalPatt.search(str, i)
- q_match = _QuotePatt.search(str, i)
- if not o_match and not q_match: # Neither matched
- res.append(str[i:])
- break
- # else:
- j = k = -1
- if o_match:
- j = o_match.start(0)
- if q_match:
- k = q_match.start(0)
- if q_match and (not o_match or k < j): # QuotePatt matched
- res.append(str[i:k])
- res.append(str[k + 1])
- i = k + 2
- else: # OctalPatt matched
- res.append(str[i:j])
- res.append(chr(int(str[j + 1:j + 4], 8)))
- i = j + 4
- return _nulljoin(res)
+ return _unquote_sub(_unquote_replace, str)
def parse_cookie(cookie):
diff --git a/tornado/test/httputil_test.py b/tornado/test/httputil_test.py
index 5c064dd..c42e1b3 100644
--- a/tornado/test/httputil_test.py
+++ b/tornado/test/httputil_test.py
@@ -492,3 +492,49 @@ class ParseCookieTest(unittest.TestCase):
# but parse_cookie() should parse whitespace the same way
# document.cookie parses whitespace.
self.assertEqual(parse_cookie(' = b ; ; = ; c = ; '), {'': 'b', 'c': ''})
+
+ def test_unquote(self):
+ # Copied from
+ # https://github.com/python/cpython/blob/dc7a2b6522ec7af41282bc34f405bee9b306d611/Lib/test/test_http_cookies.py#L62
+ cases = [
+ (r'a="b=\""', 'b="'),
+ (r'a="b=\\"', "b=\\"),
+ (r'a="b=\="', "b=="),
+ (r'a="b=\n"', "b=n"),
+ (r'a="b=\042"', 'b="'),
+ (r'a="b=\134"', "b=\\"),
+ (r'a="b=\377"', "b=\xff"),
+ (r'a="b=\400"', "b=400"),
+ (r'a="b=\42"', "b=42"),
+ (r'a="b=\\042"', "b=\\042"),
+ (r'a="b=\\134"', "b=\\134"),
+ (r'a="b=\\\""', 'b=\\"'),
+ (r'a="b=\\\042"', 'b=\\"'),
+ (r'a="b=\134\""', 'b=\\"'),
+ (r'a="b=\134\042"', 'b=\\"'),
+ ]
+ for encoded, decoded in cases:
+ with self.subTest(encoded):
+ c = parse_cookie(encoded)
+ self.assertEqual(c["a"], decoded)
+
+ def test_unquote_large(self):
+ # Adapted from
+ # https://github.com/python/cpython/blob/dc7a2b6522ec7af41282bc34f405bee9b306d611/Lib/test/test_http_cookies.py#L87
+ # Modified from that test because we handle semicolons differently from the stdlib.
+ #
+ # This is a performance regression test: prior to improvements in Tornado 6.4.2, this test
+ # would take over a minute with n= 100k. Now it runs in tens of milliseconds.
+ n = 100000
+ for encoded in r"\\", r"\134":
+ with self.subTest(encoded):
+ start = time.time()
+ data = 'a="b=' + encoded * n + '"'
+ value = parse_cookie(data)["a"]
+ end = time.time()
+ self.assertEqual(value[:3], "b=\\")
+ self.assertEqual(value[-3:], "\\\\\\")
+ self.assertEqual(len(value), n + 2)
+
+ # Very loose performance check to avoid false positives
+ self.assertLess(end - start, 1, "Test took too long")
--
2.43.0

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@ -1,12 +1,13 @@
Name: python-tornado
Version: 5.0.2
Release: 8
Release: 9
Summary: a Python web framework and asynchronous networking library
License: ASL 2.0
URL: http://www.tornadoweb.org
Source0: https://files.pythonhosted.org/packages/source/t/tornado/tornado-%{version}.tar.gz
Patch0: fix-erroneous-deprecation-warnings.patch
Patch1: CVE-2023-28370.patch
Patch2: CVE-2024-52804.patch
BuildRequires: gcc python2-devel python2-singledispatch python3-devel
@ -63,6 +64,9 @@ and other applications that require a long-lived connection to each user.
%{python3_sitearch}/*
%changelog
* Tue Nov 26 2024 liyajie <liyajie15@h-partners.com> - 5.0.2-9
- Fix CVE-2024-52804
* Fri Jun 16 2023 yaoxin <yao_xin001@hoperun.com> - 5.0.2-8
- Fix CVE-2023-28370