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!406 [backport-3.7] fix CVE-2024-9287

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From: @fuowang 
Reviewed-by: @yangyuan32 
Signed-off-by: @yangyuan32
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openeuler-ci-bot 2024-12-20 08:16:19 +00:00 committed by Gitee
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backport-3.7-gh-124651-CVE-2024-9287.patch Normal file
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@ -0,0 +1,300 @@
From c2ca86f086de75333051bff50b0e7d886302553f Mon Sep 17 00:00:00 2001
From: Victor Stinner <vstinner@python.org>
Date: Wed, 19 Dec 2024 11:23:56 +0800
Subject: [PATCH] [3.7] gh-124651: Quote template strings in `venv` activation
scripts (GH-124712) (GH-126185) (GH-126269) (GH-126301)
Fix CVE-2024-9287, backported to version 3.7 by wangshuo@kylinos.cn
Refer to:
https://github.com/python/cpython/issues/124651
https://github.com/python/cpython/pull/126301
https://github.com/python/cpython/commit/633555735a023d3e4d92ba31da35b1205f9ecbd7
---
Lib/test/test_venv.py | 81 +++++++++++++++++++
Lib/venv/__init__.py | 42 ++++++++--
Lib/venv/scripts/common/activate | 8 +-
Lib/venv/scripts/nt/activate.bat | 4 +-
Lib/venv/scripts/posix/activate.csh | 4 +-
Lib/venv/scripts/posix/activate.fish | 6 +-
...-09-28-02-03-04.gh-issue-124651.bLBGtH.rst | 1 +
7 files changed, 130 insertions(+), 16 deletions(-)
create mode 100644 Misc/NEWS.d/next/Library/2024-09-28-02-03-04.gh-issue-124651.bLBGtH.rst
diff --git a/Lib/test/test_venv.py b/Lib/test/test_venv.py
index a1fc675..2945907 100644
--- a/Lib/test/test_venv.py
+++ b/Lib/test/test_venv.py
@@ -14,6 +14,7 @@ import struct
import subprocess
import sys
import tempfile
+import shlex
from test.support import (captured_stdout, captured_stderr, requires_zlib,
can_symlink, EnvironmentVarGuard, rmtree)
import threading
@@ -83,6 +84,10 @@ class BaseTest(unittest.TestCase):
result = f.read()
return result
+ def assertEndsWith(self, string, tail):
+ if not string.endswith(tail):
+ self.fail(f"String {string!r} does not end with {tail!r}")
+
class BasicTest(BaseTest):
"""Test venv module functionality."""
@@ -293,6 +298,82 @@ class BasicTest(BaseTest):
'import sys; print(sys.executable)'])
self.assertEqual(out.strip(), envpy.encode())
+ # gh-124651: test quoted strings
+ @unittest.skipIf(os.name == 'nt', 'contains invalid characters on Windows')
+ def test_special_chars_bash(self):
+ """
+ Test that the template strings are quoted properly (bash)
+ """
+ rmtree(self.env_dir)
+ bash = shutil.which('bash')
+ if bash is None:
+ self.skipTest('bash required for this test')
+ env_name = '"\';&&$e|\'"'
+ env_dir = os.path.join(os.path.realpath(self.env_dir), env_name)
+ builder = venv.EnvBuilder(clear=True)
+ builder.create(env_dir)
+ activate = os.path.join(env_dir, self.bindir, 'activate')
+ test_script = os.path.join(self.env_dir, 'test_special_chars.sh')
+ with open(test_script, "w") as f:
+ f.write(f'source {shlex.quote(activate)}\n'
+ 'python -c \'import sys; print(sys.executable)\'\n'
+ 'python -c \'import os; print(os.environ["VIRTUAL_ENV"])\'\n'
+ 'deactivate\n')
+ out, err = check_output([bash, test_script])
+ lines = out.splitlines()
+ self.assertTrue(env_name.encode() in lines[0])
+ self.assertEndsWith(lines[1], env_name.encode())
+
+ # gh-124651: test quoted strings
+ @unittest.skipIf(os.name == 'nt', 'contains invalid characters on Windows')
+ def test_special_chars_csh(self):
+ """
+ Test that the template strings are quoted properly (csh)
+ """
+ rmtree(self.env_dir)
+ csh = shutil.which('tcsh') or shutil.which('csh')
+ if csh is None:
+ self.skipTest('csh required for this test')
+ env_name = '"\';&&$e|\'"'
+ env_dir = os.path.join(os.path.realpath(self.env_dir), env_name)
+ builder = venv.EnvBuilder(clear=True)
+ builder.create(env_dir)
+ activate = os.path.join(env_dir, self.bindir, 'activate.csh')
+ test_script = os.path.join(self.env_dir, 'test_special_chars.csh')
+ with open(test_script, "w") as f:
+ f.write(f'source {shlex.quote(activate)}\n'
+ 'python -c \'import sys; print(sys.executable)\'\n'
+ 'python -c \'import os; print(os.environ["VIRTUAL_ENV"])\'\n'
+ 'deactivate\n')
+ out, err = check_output([csh, test_script])
+ lines = out.splitlines()
+ self.assertTrue(env_name.encode() in lines[0])
+ self.assertEndsWith(lines[1], env_name.encode())
+
+ # gh-124651: test quoted strings on Windows
+ @unittest.skipUnless(os.name == 'nt', 'only relevant on Windows')
+ def test_special_chars_windows(self):
+ """
+ Test that the template strings are quoted properly on Windows
+ """
+ rmtree(self.env_dir)
+ env_name = "'&&^$e"
+ env_dir = os.path.join(os.path.realpath(self.env_dir), env_name)
+ builder = venv.EnvBuilder(clear=True)
+ builder.create(env_dir)
+ activate = os.path.join(env_dir, self.bindir, 'activate.bat')
+ test_batch = os.path.join(self.env_dir, 'test_special_chars.bat')
+ with open(test_batch, "w") as f:
+ f.write('@echo off\n'
+ f'"{activate}" & '
+ f'{self.exe} -c "import sys; print(sys.executable)" & '
+ f'{self.exe} -c "import os; print(os.environ[\'VIRTUAL_ENV\'])" & '
+ 'deactivate')
+ out, err = check_output([test_batch])
+ lines = out.splitlines()
+ self.assertTrue(env_name.encode() in lines[0])
+ self.assertEndsWith(lines[1], env_name.encode())
+
@unittest.skipUnless(os.name == 'nt', 'only relevant on Windows')
def test_unicode_in_batch_file(self):
"""
diff --git a/Lib/venv/__init__.py b/Lib/venv/__init__.py
index c454082..de4d3eb 100644
--- a/Lib/venv/__init__.py
+++ b/Lib/venv/__init__.py
@@ -11,6 +11,7 @@ import subprocess
import sys
import sysconfig
import types
+import shlex
logger = logging.getLogger(__name__)
@@ -323,11 +324,41 @@ class EnvBuilder:
:param context: The information for the environment creation request
being processed.
"""
- text = text.replace('__VENV_DIR__', context.env_dir)
- text = text.replace('__VENV_NAME__', context.env_name)
- text = text.replace('__VENV_PROMPT__', context.prompt)
- text = text.replace('__VENV_BIN_NAME__', context.bin_name)
- text = text.replace('__VENV_PYTHON__', context.env_exe)
+ replacements = {
+ '__VENV_DIR__': context.env_dir,
+ '__VENV_NAME__': context.env_name,
+ '__VENV_PROMPT__': context.prompt,
+ '__VENV_BIN_NAME__': context.bin_name,
+ '__VENV_PYTHON__': context.env_exe,
+ }
+
+ def quote_ps1(s):
+ """
+ This should satisfy PowerShell quoting rules [1], unless the quoted
+ string is passed directly to Windows native commands [2].
+ [1]: https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.core/about/about_quoting_rules
+ [2]: https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.core/about/about_parsing#passing-arguments-that-contain-quote-characters
+ """
+ s = s.replace("'", "''")
+ return f"'{s}'"
+
+ def quote_bat(s):
+ return s
+
+ # gh-124651: need to quote the template strings properly
+ quote = shlex.quote
+ script_path = context.script_path
+ if script_path.endswith('.ps1'):
+ quote = quote_ps1
+ elif script_path.endswith('.bat'):
+ quote = quote_bat
+ else:
+ # fallbacks to POSIX shell compliant quote
+ quote = shlex.quote
+
+ replacements = {key: quote(s) for key, s in replacements.items()}
+ for key, quoted in replacements.items():
+ text = text.replace(key, quoted)
return text
def install_scripts(self, context, path):
@@ -367,6 +398,7 @@ class EnvBuilder:
with open(srcfile, 'rb') as f:
data = f.read()
if not srcfile.endswith(('.exe', '.pdb')):
+ context.script_path = srcfile
try:
data = data.decode('utf-8')
data = self.replace_variables(data, context)
diff --git a/Lib/venv/scripts/common/activate b/Lib/venv/scripts/common/activate
index b9d498f..a002005 100644
--- a/Lib/venv/scripts/common/activate
+++ b/Lib/venv/scripts/common/activate
@@ -37,11 +37,11 @@ deactivate () {
# unset irrelevant variables
deactivate nondestructive
-VIRTUAL_ENV="__VENV_DIR__"
+VIRTUAL_ENV=__VENV_DIR__
export VIRTUAL_ENV
_OLD_VIRTUAL_PATH="$PATH"
-PATH="$VIRTUAL_ENV/__VENV_BIN_NAME__:$PATH"
+PATH="$VIRTUAL_ENV/"__VENV_BIN_NAME__":$PATH"
export PATH
# unset PYTHONHOME if set
@@ -54,8 +54,8 @@ fi
if [ -z "${VIRTUAL_ENV_DISABLE_PROMPT:-}" ] ; then
_OLD_VIRTUAL_PS1="${PS1:-}"
- if [ "x__VENV_PROMPT__" != x ] ; then
- PS1="__VENV_PROMPT__${PS1:-}"
+ if [ x__VENV_PROMPT__ != x ] ; then
+ PS1=__VENV_PROMPT__"${PS1:-}"
else
if [ "`basename \"$VIRTUAL_ENV\"`" = "__" ] ; then
# special case for Aspen magic directories
diff --git a/Lib/venv/scripts/nt/activate.bat b/Lib/venv/scripts/nt/activate.bat
index f61413e..11210c7 100644
--- a/Lib/venv/scripts/nt/activate.bat
+++ b/Lib/venv/scripts/nt/activate.bat
@@ -8,7 +8,7 @@ if defined _OLD_CODEPAGE (
"%SystemRoot%\System32\chcp.com" 65001 > nul
)
-set VIRTUAL_ENV=__VENV_DIR__
+set "VIRTUAL_ENV=__VENV_DIR__"
if not defined PROMPT set PROMPT=$P$G
@@ -24,7 +24,7 @@ set PYTHONHOME=
if defined _OLD_VIRTUAL_PATH set PATH=%_OLD_VIRTUAL_PATH%
if not defined _OLD_VIRTUAL_PATH set _OLD_VIRTUAL_PATH=%PATH%
-set PATH=%VIRTUAL_ENV%\__VENV_BIN_NAME__;%PATH%
+set "PATH=%VIRTUAL_ENV%\__VENV_BIN_NAME__;%PATH%"
:END
if defined _OLD_CODEPAGE (
diff --git a/Lib/venv/scripts/posix/activate.csh b/Lib/venv/scripts/posix/activate.csh
index b0c7028..ad53fd3 100644
--- a/Lib/venv/scripts/posix/activate.csh
+++ b/Lib/venv/scripts/posix/activate.csh
@@ -8,10 +8,10 @@ alias deactivate 'test $?_OLD_VIRTUAL_PATH != 0 && setenv PATH "$_OLD_VIRTUAL_PA
# Unset irrelevant variables.
deactivate nondestructive
-setenv VIRTUAL_ENV "__VENV_DIR__"
+setenv VIRTUAL_ENV __VENV_DIR__
set _OLD_VIRTUAL_PATH="$PATH"
-setenv PATH "$VIRTUAL_ENV/__VENV_BIN_NAME__:$PATH"
+setenv PATH "$VIRTUAL_ENV/"__VENV_BIN_NAME__":$PATH"
set _OLD_VIRTUAL_PROMPT="$prompt"
diff --git a/Lib/venv/scripts/posix/activate.fish b/Lib/venv/scripts/posix/activate.fish
index b401058..16723a2 100644
--- a/Lib/venv/scripts/posix/activate.fish
+++ b/Lib/venv/scripts/posix/activate.fish
@@ -29,10 +29,10 @@ end
# unset irrelevant variables
deactivate nondestructive
-set -gx VIRTUAL_ENV "__VENV_DIR__"
+set -gx VIRTUAL_ENV __VENV_DIR__
set -gx _OLD_VIRTUAL_PATH $PATH
-set -gx PATH "$VIRTUAL_ENV/__VENV_BIN_NAME__" $PATH
+set -gx PATH "$VIRTUAL_ENV/"__VENV_BIN_NAME__ $PATH
# unset PYTHONHOME if set
if set -q PYTHONHOME
@@ -53,7 +53,7 @@ if test -z "$VIRTUAL_ENV_DISABLE_PROMPT"
# Prompt override?
if test -n "__VENV_PROMPT__"
- printf "%s%s" "__VENV_PROMPT__" (set_color normal)
+ printf "%s%s" __VENV_PROMPT__ (set_color normal)
else
# ...Otherwise, prepend env
set -l _checkbase (basename "$VIRTUAL_ENV")
diff --git a/Misc/NEWS.d/next/Library/2024-09-28-02-03-04.gh-issue-124651.bLBGtH.rst b/Misc/NEWS.d/next/Library/2024-09-28-02-03-04.gh-issue-124651.bLBGtH.rst
new file mode 100644
index 0000000..17fc917
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2024-09-28-02-03-04.gh-issue-124651.bLBGtH.rst
@@ -0,0 +1 @@
+Properly quote template strings in :mod:`venv` activation scripts.
--
2.27.0

13
python3.spec
View File

@ -3,7 +3,7 @@ Summary: Interpreter of the Python3 programming language
URL: https://www.python.org/
Version: 3.7.9
Release: 42
Release: 43
License: Python-2.0
%global branchversion 3.7
@ -192,6 +192,7 @@ Patch9009: backport-3.7-gh-115133-Fix-test_xml_etree-error-with-expat-ve.patch
Patch9010: backport-3.7-gh-104049-do-not-expose-on-disk-location-from-Si.patch
Patch9011: backport-3.7-gh-99889-Fix-directory-traversal-security-flaw-i.patch
Patch9012: 0001-expected_algs-list-to-include-TLS_SM4.patch
Patch9013: backport-3.7-gh-124651-CVE-2024-9287.patch
Provides: python%{branchversion} = %{version}-%{release}
@ -365,6 +366,7 @@ rm Lib/ensurepip/_bundled/*.whl
%patch9010 -p1
%patch9011 -p1
%patch9012 -p1
%patch9013 -p1
sed -i "s/generic_os/%{_vendor}/g" Lib/platform.py
rm configure pyconfig.h.in
@ -970,9 +972,16 @@ export BEP_GTDLIST="$BEP_GTDLIST_TMP"
%{_mandir}/*/*
%changelog
* Thu Dec 19 2024 wangshuo <wangshuo@kylinos.cn> - 3.7.9-43
- Type:CVE
- CVE:CVE-2024-9287
- SUG:NA
- DESC:fix CVE-2024-9287
- gh-124651: Quote template strings in `venv` activation scripts
* Wed Dec 11 2024 wangshuo <wangshuo@kylinos.cn> - 3.7.9-42
- Type:update
- CVE:NA
- ID:NA
- SUG:NA
- DESC:support TLS_SM4