Update to 3.8.17

Security fix for CVE-2023-24329

Add filters for tarfile extraction (CVE-2007-4559, PEP-706)

Resolves: rhbz#2173917, rhbz#263261

00189-use-rpm-wheels.patch

@@ -29,7 +29,7 @@ index b291e9a..798d0f4 100644
  __all__ = ["version", "bootstrap"]
  _PACKAGE_NAMES = ('setuptools', 'pip')
 -_SETUPTOOLS_VERSION = "56.0.0"
--_PIP_VERSION = "22.0.4"
+-_PIP_VERSION = "23.0.1"
 +
 +_WHEEL_DIR = "/usr/share/python38-wheels/"
 +

00397-tarfile-filter.patch

@@ -0,0 +1,247 @@
+From dc84087083c5ad99a5016e8349c96d9654a08f46 Mon Sep 17 00:00:00 2001
+From: Petr Viktorin <encukou@gmail.com>
+Date: Mon, 6 Mar 2023 17:24:24 +0100
+Subject: [PATCH 2/2] CVE-2007-4559, PEP-706: Add filters for tarfile
+ extraction (downstream)
+
+Add and test RHEL-specific ways of configuring the default behavior: environment
+variable and config file.
+---
+ Lib/tarfile.py           |  42 +++++++++++++
+ Lib/test/test_shutil.py  |   3 +-
+ Lib/test/test_tarfile.py | 124 ++++++++++++++++++++++++++++++++++++++-
+ 3 files changed, 165 insertions(+), 4 deletions(-)
+
+diff --git a/Lib/tarfile.py b/Lib/tarfile.py
+index 5291622ab8e..12ab00d748a 100755
+--- a/Lib/tarfile.py
++++ b/Lib/tarfile.py
+@@ -72,6 +72,13 @@ __all__ = ["TarFile", "TarInfo", "is_tarfile", "TarError", "ReadError",
+            "ENCODING", "USTAR_FORMAT", "GNU_FORMAT", "PAX_FORMAT",
+            "DEFAULT_FORMAT", "open"]
+ 
++# If true, use the safer (but backwards-incompatible) 'tar' extraction filter,
++# rather than 'fully_trusted', by default.
++# The emitted warning is changed to match.
++_RH_SAFER_DEFAULT = True
++
++# System-wide configuration file
++_CONFIG_FILENAME = '/etc/python/tarfile.cfg'
+ 
+ #---------------------------------------------------------
+ # tar constants
+@@ -2188,6 +2195,41 @@ class TarFile(object):
+         if filter is None:
+             filter = self.extraction_filter
+             if filter is None:
++                name = os.environ.get('PYTHON_TARFILE_EXTRACTION_FILTER')
++                if name is None:
++                    try:
++                        file = bltn_open(_CONFIG_FILENAME)
++                    except FileNotFoundError:
++                        pass
++                    else:
++                        import configparser
++                        conf = configparser.ConfigParser(
++                            interpolation=None,
++                            comment_prefixes=('#', ),
++                        )
++                        with file:
++                            conf.read_file(file)
++                        name = conf.get('tarfile',
++                                        'PYTHON_TARFILE_EXTRACTION_FILTER',
++                                        fallback='')
++                if name:
++                    try:
++                        filter = _NAMED_FILTERS[name]
++                    except KeyError:
++                        raise ValueError(f"filter {filter!r} not found") from None
++                    self.extraction_filter = filter
++                    return filter
++                if _RH_SAFER_DEFAULT:
++                    warnings.warn(
++                        'The default behavior of tarfile extraction has been '
++                        + 'changed to disallow common exploits '
++                        + '(including CVE-2007-4559). '
++                        + 'By default, absolute/parent paths are disallowed '
++                        + 'and some mode bits are cleared. '
++                        + 'See https://access.redhat.com/articles/7004769 '
++                        + 'for more details.',
++                        RuntimeWarning)
++                    return tar_filter
+                 return fully_trusted_filter
+             if isinstance(filter, str):
+                 raise TypeError(
+diff --git a/Lib/test/test_shutil.py b/Lib/test/test_shutil.py
+index 5cef59ea9c6..73fffe0fd33 100644
+--- a/Lib/test/test_shutil.py
++++ b/Lib/test/test_shutil.py
+@@ -1494,7 +1494,8 @@ class TestShutil(unittest.TestCase):
+     def check_unpack_tarball(self, format):
+         self.check_unpack_archive(format, filter='fully_trusted')
+         self.check_unpack_archive(format, filter='data')
+-        with support.check_no_warnings(self):
++        with support.check_warnings(
++                ('.*CVE-2007-4559', RuntimeWarning)):
+             self.check_unpack_archive(format)
+ 
+     def test_unpack_archive_tar(self):
+diff --git a/Lib/test/test_tarfile.py b/Lib/test/test_tarfile.py
+index 03be10b1fee..15df6a9ced6 100644
+--- a/Lib/test/test_tarfile.py
++++ b/Lib/test/test_tarfile.py
+@@ -2,7 +2,7 @@
+ import os
+ import io
+ from hashlib import sha256
+-from contextlib import contextmanager
++from contextlib import contextmanager, ExitStack
+ from random import Random
+ import pathlib
+ import shutil
+@@ -2744,7 +2744,11 @@ class NoneInfoExtractTests(ReadTest):
+         tar = tarfile.open(tarname, mode='r', encoding="iso8859-1")
+         cls.control_dir = pathlib.Path(TEMPDIR) / "extractall_ctrl"
+         tar.errorlevel = 0
+-        tar.extractall(cls.control_dir, filter=cls.extraction_filter)
++        with ExitStack() as cm:
++            if cls.extraction_filter is None:
++                cm.enter_context(warnings.catch_warnings())
++                warnings.simplefilter(action="ignore", category=RuntimeWarning)
++            tar.extractall(cls.control_dir, filter=cls.extraction_filter)
+         tar.close()
+         cls.control_paths = set(
+             p.relative_to(cls.control_dir)
+@@ -3407,7 +3411,8 @@ class TestExtractionFilters(unittest.TestCase):
+         """Ensure the default filter does not warn (like in 3.12)"""
+         with ArchiveMaker() as arc:
+             arc.add('foo')
+-        with support.check_no_warnings(self):
++        with support.check_warnings(
++                ('.*CVE-2007-4559', RuntimeWarning)):
+             with self.check_context(arc.open(), None):
+                 self.expect_file('foo')
+ 
+@@ -3577,6 +3582,119 @@ class TestExtractionFilters(unittest.TestCase):
+             self.expect_exception(TypeError)  # errorlevel is not int
+ 
+ 
++    @contextmanager
++    def rh_config_context(self, config_lines=None):
++        """Set up for testing various ways of overriding the default filter
++
++        return a triple with:
++        - temporary directory
++        - EnvironmentVarGuard()
++        - a test archive for use with check_* methods below
++
++        If config_lines is given, write them to the config file. Otherwise
++        the config file is missing.
++        """
++        tempdir = pathlib.Path(TEMPDIR) / 'tmp'
++        configfile = tempdir / 'tarfile.cfg'
++        with ArchiveMaker() as arc:
++            arc.add('good')
++            arc.add('ugly', symlink_to='/etc/passwd')
++            arc.add('../bad')
++        with ExitStack() as cm:
++            cm.enter_context(support.temp_dir(tempdir))
++            cm.enter_context(support.swap_attr(tarfile, '_CONFIG_FILENAME', str(configfile)))
++            env = cm.enter_context(support.EnvironmentVarGuard())
++            tar = cm.enter_context(arc.open())
++            if config_lines is not None:
++                with configfile.open('w') as f:
++                    for line in config_lines:
++                        print(line, file=f)
++            yield tempdir, env, tar
++
++    def check_rh_default_behavior(self, tar, tempdir):
++        """Check RH default: warn and refuse to extract dangerous files."""
++        with ExitStack() as cm:
++            cm.enter_context(support.check_warnings(
++                    ('.*CVE-2007-4559', RuntimeWarning)))
++            cm.enter_context(self.assertRaises(tarfile.OutsideDestinationError))
++            tar.extractall(tempdir / 'outdir')
++
++    def check_trusted_default(self, tar, tempdir):
++        """Check 'fully_trusted' is configured as the default filter."""
++        with support.check_no_warnings(self):
++            tar.extractall(tempdir / 'outdir')
++            self.assertTrue((tempdir / 'outdir/good').exists())
++            self.assertEqual(os.readlink(str(tempdir / 'outdir/ugly')),
++                             '/etc/passwd')
++            self.assertTrue((tempdir / 'bad').exists())
++
++    def test_rh_default_no_conf(self):
++        with self.rh_config_context() as (tempdir, env, tar):
++            self.check_rh_default_behavior(tar, tempdir)
++
++    def test_rh_default_from_file(self):
++        lines = ['[tarfile]', 'PYTHON_TARFILE_EXTRACTION_FILTER=fully_trusted']
++        with self.rh_config_context(lines) as (tempdir, env, tar):
++            self.check_trusted_default(tar, tempdir)
++
++    def test_rh_empty_config_file(self):
++        """Empty config file -> default behavior"""
++        lines = []
++        with self.rh_config_context(lines) as (tempdir, env, tar):
++            self.check_rh_default_behavior(tar, tempdir)
++
++    def test_empty_config_section(self):
++        """Empty section in config file -> default behavior"""
++        lines = ['[tarfile]']
++        with self.rh_config_context(lines) as (tempdir, env, tar):
++            self.check_rh_default_behavior(tar, tempdir)
++
++    def test_rh_default_empty_config_option(self):
++        """Empty option value in config file -> default behavior"""
++        lines = ['[tarfile]', 'PYTHON_TARFILE_EXTRACTION_FILTER=']
++        with self.rh_config_context(lines) as (tempdir, env, tar):
++            self.check_rh_default_behavior(tar, tempdir)
++
++    def test_bad_config_option(self):
++        """Bad option value in config file -> ValueError"""
++        lines = ['[tarfile]', 'PYTHON_TARFILE_EXTRACTION_FILTER=unknown!']
++        with self.rh_config_context(lines) as (tempdir, env, tar):
++            with self.assertRaises(ValueError):
++                tar.extractall(tempdir / 'outdir')
++
++    def test_default_from_envvar(self):
++        with self.rh_config_context() as (tempdir, env, tar):
++            env['PYTHON_TARFILE_EXTRACTION_FILTER'] = 'fully_trusted'
++            self.check_trusted_default(tar, tempdir)
++
++    def test_empty_envvar(self):
++        """Empty env variable -> default behavior"""
++        with self.rh_config_context() as (tempdir, env, tar):
++            env['PYTHON_TARFILE_EXTRACTION_FILTER'] = ''
++            self.check_rh_default_behavior(tar, tempdir)
++
++    def test_bad_envvar(self):
++        with self.rh_config_context() as (tempdir, env, tar):
++            env['PYTHON_TARFILE_EXTRACTION_FILTER'] = 'unknown!'
++            with self.assertRaises(ValueError):
++                tar.extractall(tempdir / 'outdir')
++
++    def test_envvar_overrides_file(self):
++        lines = ['[tarfile]', 'PYTHON_TARFILE_EXTRACTION_FILTER=data']
++        with self.rh_config_context(lines) as (tempdir, env, tar):
++            env['PYTHON_TARFILE_EXTRACTION_FILTER'] = 'fully_trusted'
++            self.check_trusted_default(tar, tempdir)
++
++    def test_monkeypatch_overrides_envvar(self):
++        with self.rh_config_context(None) as (tempdir, env, tar):
++            env['PYTHON_TARFILE_EXTRACTION_FILTER'] = 'data'
++            with support.swap_attr(
++                    tarfile.TarFile, 'extraction_filter',
++                    staticmethod(tarfile.fully_trusted_filter)
++            ):
++                self.check_trusted_default(tar, tempdir)
++
++
+ def setUpModule():
+     support.unlink(TEMPDIR)
+     os.makedirs(TEMPDIR)
+-- 
+2.41.0
+

python38.spec

@@ -13,11 +13,11 @@ URL: https://www.python.org/
 
 #  WARNING  When rebasing to a new Python version,
 #           remember to update the python3-docs package as well
-%global general_version %{pybasever}.16
+%global general_version %{pybasever}.17
 #global prerel ...
 %global upstream_version %{general_version}%{?prerel}
 Version: %{general_version}%{?prerel:~%{prerel}}
-Release: 2%{?dist}
+Release: 1%{?dist}
 License: Python
 
 # Exclude i686 arch. Due to a modularity issue it's being added to the
@@ -382,6 +382,12 @@ Patch359: 00359-CVE-2021-23336.patch
 # Upstream: https://bugs.python.org/issue46811
 Patch378: 00378-support-expat-2-4-5.patch
 
+# 00397 #
+# Add Red Hat configuration for tarfile extraction (CVE-2007-4559, PEP-706)
+# See KB for documentation:
+# - https://access.redhat.com/articles/7004769
+Patch397: 00397-tarfile-filter.patch
+
 # (New patches go here ^^^)
 #
 # When adding new patches to "python" and "python3" in Fedora, EL, etc.,
@@ -505,8 +511,8 @@ Summary:        Python runtime libraries
 Requires: python38-setuptools-wheel
 Requires: python38-pip-wheel
 %else
-Provides: bundled(python38-pip) = 19.2.3
+Provides: bundled(python38-pip) = 23.0.1
-Provides: bundled(python38-setuptools) = 41.2.0
+Provides: bundled(python38-setuptools) = 56.0.0
 %endif
 
 %{?python_provide:%python_provide python38-libs}
@@ -674,7 +680,7 @@ The debug runtime additionally supports debug builds of C-API extensions
 Requires: python38-setuptools-wheel
 Requires: python38-pip-wheel
 %else
-Provides: bundled(python38-pip) = 21.1.1
+Provides: bundled(python38-pip) = 23.0.1
 Provides: bundled(python38-setuptools) = 56.0.0
 %endif
 
@@ -739,6 +745,7 @@ rm Lib/ensurepip/_bundled/*.whl
 %patch353 -p1
 %patch359 -p1
 %patch378 -p1
+%patch397 -p1
 
 # Remove files that should be generated by the build
 # (This is after patching, so that we can use patches directly from upstream)
@@ -1832,6 +1839,12 @@ fi
 # ======================================================
 
 %changelog
+* Mon Aug 07 2023 Charalampos Stratakis <cstratak@redhat.com> - 3.8.17-1
+- Update to 3.8.17
+- Security fix for CVE-2023-24329
+- Add filters for tarfile extraction (CVE-2007-4559, PEP-706)
+Resolves: rhbz#2173917, rhbz#263261
+
 * Tue Jul 18 2023 Charalampos Stratakis <cstratak@redhat.com> - 3.8.16-2
 - Strip the LTO bytecode from python.o
 Resolves: rhbz#2213526

sources

@@ -1 +1 @@
-SHA512 (Python-3.8.16-noexe.tar.xz) = a8f2f4e1dd3423efbd3636909c1dce0486721909ebdaf68581f8a554ee7c4722b8a0c813439d48842dd41a05a5452db492350824b83cae92100453ae69686d4d
+SHA512 (Python-3.8.17-noexe.tar.xz) = bce80c6c481f1c8677210f352f5a1c48bbcdbf8f5db4656c6e8bcf08ea6a66d541a837d0c4fe32fd7dd1d72e8f245c4e8b8c1cbe704e44d428a1faec7c6f46c2