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import CS python38-3.8.17-2.module_el8+640+ebf3d03c

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eabdullin 2023-10-16 09:39:58 +00:00
parent 8137883946
commit 2148e8b10d
5 changed files with 395 additions and 8 deletions
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2
.gitignore vendored
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@ -1 +1 @@
SOURCES/Python-3.8.16-noexe.tar.xz
SOURCES/Python-3.8.17-noexe.tar.xz

2
.python38.metadata
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@ -1 +1 @@
ec97523b167d5b0e915b37e58f03da6384b15caa SOURCES/Python-3.8.16-noexe.tar.xz
5ecdca78a141bb6d7e13732920886affd7338fca SOURCES/Python-3.8.17-noexe.tar.xz

2
SOURCES/00189-use-rpm-wheels.patch
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@ -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/"
+

357
SOURCES/00397-tarfile-filter.patch Normal file
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@ -0,0 +1,357 @@
From f36519078bde3cce4328c03fffccb846121fb5bc Mon Sep 17 00:00:00 2001
From: Petr Viktorin <encukou@gmail.com>
Date: Wed, 9 Aug 2023 20:23:03 +0200
Subject: [PATCH] Fix symlink handling for tarfile.data_filter
---
Doc/library/tarfile.rst | 5 +++++
Lib/tarfile.py | 9 ++++++++-
Lib/test/test_tarfile.py | 26 ++++++++++++++++++++++++--
3 files changed, 37 insertions(+), 3 deletions(-)
diff --git a/Doc/library/tarfile.rst b/Doc/library/tarfile.rst
index 00f3070324e..e0511bfeb64 100644
--- a/Doc/library/tarfile.rst
+++ b/Doc/library/tarfile.rst
@@ -740,6 +740,11 @@ A ``TarInfo`` object has the following public data attributes:
Name of the target file name, which is only present in :class:`TarInfo` objects
of type :const:`LNKTYPE` and :const:`SYMTYPE`.
+ For symbolic links (``SYMTYPE``), the linkname is relative to the directory
+ that contains the link.
+ For hard links (``LNKTYPE``), the linkname is relative to the root of
+ the archive.
+
.. attribute:: TarInfo.uid
:type: int
diff --git a/Lib/tarfile.py b/Lib/tarfile.py
index df4e41f7a0d..d62323715b4 100755
--- a/Lib/tarfile.py
+++ b/Lib/tarfile.py
@@ -802,7 +802,14 @@ def _get_filtered_attrs(member, dest_path, for_data=True):
if member.islnk() or member.issym():
if os.path.isabs(member.linkname):
raise AbsoluteLinkError(member)
- target_path = os.path.realpath(os.path.join(dest_path, member.linkname))
+ if member.issym():
+ target_path = os.path.join(dest_path,
+ os.path.dirname(name),
+ member.linkname)
+ else:
+ target_path = os.path.join(dest_path,
+ member.linkname)
+ target_path = os.path.realpath(target_path)
if os.path.commonpath([target_path, dest_path]) != dest_path:
raise LinkOutsideDestinationError(member, target_path)
return new_attrs
diff --git a/Lib/test/test_tarfile.py b/Lib/test/test_tarfile.py
index 2eda7fc4cea..79fc35c2895 100644
--- a/Lib/test/test_tarfile.py
+++ b/Lib/test/test_tarfile.py
@@ -3337,10 +3337,12 @@ def __exit__(self, *exc):
self.bio = None
def add(self, name, *, type=None, symlink_to=None, hardlink_to=None,
- mode=None, **kwargs):
+ mode=None, size=None, **kwargs):
"""Add a member to the test archive. Call within `with`."""
name = str(name)
tarinfo = tarfile.TarInfo(name).replace(**kwargs)
+ if size is not None:
+ tarinfo.size = size
if mode:
tarinfo.mode = _filemode_to_int(mode)
if symlink_to is not None:
@@ -3416,7 +3418,8 @@ def check_context(self, tar, filter):
raise self.raised_exception
self.assertEqual(self.expected_paths, set())
- def expect_file(self, name, type=None, symlink_to=None, mode=None):
+ def expect_file(self, name, type=None, symlink_to=None, mode=None,
+ size=None):
"""Check a single file. See check_context."""
if self.raised_exception:
raise self.raised_exception
@@ -3445,6 +3448,8 @@ def expect_file(self, name, type=None, symlink_to=None, mode=None):
self.assertTrue(path.is_fifo())
else:
raise NotImplementedError(type)
+ if size is not None:
+ self.assertEqual(path.stat().st_size, size)
for parent in path.parents:
self.expected_paths.discard(parent)
@@ -3649,6 +3654,22 @@ def test_sly_relative2(self):
+ """['"].*moo['"], which is outside the """
+ "destination")
+ def test_deep_symlink(self):
+ with ArchiveMaker() as arc:
+ arc.add('targetdir/target', size=3)
+ arc.add('linkdir/hardlink', hardlink_to='targetdir/target')
+ arc.add('linkdir/symlink', symlink_to='../targetdir/target')
+
+ for filter in 'tar', 'data', 'fully_trusted':
+ with self.check_context(arc.open(), filter):
+ self.expect_file('targetdir/target', size=3)
+ self.expect_file('linkdir/hardlink', size=3)
+ if support.can_symlink():
+ self.expect_file('linkdir/symlink', size=3,
+ symlink_to='../targetdir/target')
+ else:
+ self.expect_file('linkdir/symlink', size=3)
+
def test_modes(self):
# Test how file modes are extracted
# (Note that the modes are ignored on platforms without working chmod)
--
2.41.0
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

40
SPECS/python38.spec
View File

@ -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: 1%{?dist}
Release: 2%{?dist}
License: Python
# Exclude i686 arch. Due to a modularity issue it's being added to the
@ -382,6 +382,16 @@ Patch359: 00359-CVE-2021-23336.patch
# Upstream: https://bugs.python.org/issue46811
Patch378: 00378-support-expat-2-4-5.patch
# 00397 #
# Add filters for tarfile extraction (CVE-2007-4559, PEP-706)
# First patch fixes determination of symlink targets, which were treated
# as relative to the root of the archive,
# rather than the directory containing the symlink.
# Not yet upstream as of this writing.
# The second patch is Red Hat configuration, 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 +515,8 @@ Summary: Python runtime libraries
Requires: python38-setuptools-wheel
Requires: python38-pip-wheel
%else
Provides: bundled(python38-pip) = 19.2.3
Provides: bundled(python38-setuptools) = 41.2.0
Provides: bundled(python38-pip) = 23.0.1
Provides: bundled(python38-setuptools) = 56.0.0
%endif
%{?python_provide:%python_provide python38-libs}
@ -674,7 +684,7 @@ 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 +749,7 @@ 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)
@ -1121,6 +1132,11 @@ touch %{buildroot}%{_bindir}/python3-config
touch %{buildroot}%{_bindir}/python3-debug
touch %{buildroot}%{_bindir}/python3-debug-config
# Strip the LTO bytecode from python.o
# Based on the fedora brp-strip-lto scriptlet
# https://src.fedoraproject.org/rpms/redhat-rpm-config/blob/9dd5528cf9805ebfe31cff04fe7828ad06a6023f/f/brp-strip-lto
find %{buildroot} -type f -name 'python.o' -print0 | xargs -0 \
bash -c "strip -p -R .gnu.lto_* -R .gnu.debuglto_* -N __gnu_lto_v1 \"\$@\"" ARG0
# ======================================================
# Checks for packaging issues
@ -1827,6 +1843,20 @@ fi
# ======================================================
%changelog
* Wed Aug 09 2023 Petr Viktorin <pviktori@redhat.com> - 3.8.17-2
- Fix symlink handling in the fix for CVE-2023-24329
Resolves: rhbz#263261
* 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
* Tue Dec 13 2022 Charalampos Stratakis <cstratak@redhat.com> - 3.8.16-1
- Update to 3.8.16
- Security fix for CVE-2022-45061