import CS python3.11-pip-22.3.1-4.el9
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SOURCES/cve-2007-4559-tarfile.patch
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78
SOURCES/cve-2007-4559-tarfile.patch
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@ -0,0 +1,78 @@
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Minimal patch for pip
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diff -rU3 pip-22.3.1-orig/src/pip/_internal/utils/unpacking.py pip-22.3.1/src/pip/_internal/utils/unpacking.py
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--- pip-22.3.1-orig/src/pip/_internal/utils/unpacking.py 2022-11-05 16:25:43.000000000 +0100
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+++ pip-22.3.1/src/pip/_internal/utils/unpacking.py 2023-08-08 13:17:47.705613554 +0200
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@@ -184,6 +184,13 @@
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"outside target directory ({})"
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)
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raise InstallationError(message.format(filename, path, location))
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+
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+ # Call the `data` filter for its side effect (raising exception)
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+ try:
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+ tarfile.data_filter(member.replace(name=fn), location)
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+ except tarfile.LinkOutsideDestinationError:
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+ pass
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+
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if member.isdir():
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ensure_dir(path)
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elif member.issym():
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Test from https://github.com/pypa/pip/pull/12214
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diff -rU3 pip-22.3.1-orig/tests/unit/test_utils_unpacking.py pip-22.3.1/tests/unit/test_utils_unpacking.py
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--- pip-22.3.1-orig/tests/unit/test_utils_unpacking.py 2022-11-05 16:25:43.000000000 +0100
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+++ pip-22.3.1/tests/unit/test_utils_unpacking.py 2023-08-08 13:17:35.151540108 +0200
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@@ -171,6 +171,23 @@
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test_tar = self.make_tar_file("test_tar.tar", files)
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untar_file(test_tar, self.tempdir)
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+ def test_unpack_tar_filter(self) -> None:
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+ """
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+ Test that the tarfile.data_filter is used to disallow dangerous
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+ behaviour (PEP-721)
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+ """
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+ test_tar = os.path.join(self.tempdir, "test_tar_filter.tar")
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+ with tarfile.open(test_tar, "w") as mytar:
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+ file_tarinfo = tarfile.TarInfo("bad-link")
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+ file_tarinfo.type = tarfile.SYMTYPE
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+ file_tarinfo.linkname = "../../../../pwn"
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+ mytar.addfile(file_tarinfo, io.BytesIO(b""))
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+ with pytest.raises(InstallationError) as e:
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+ untar_file(test_tar, self.tempdir)
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+
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+ assert "is outside the destination" in str(e.value)
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+
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+
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def test_unpack_tar_unicode(tmpdir: Path) -> None:
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test_tar = tmpdir / "test.tar"
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Patch for vendored distlib from https://github.com/pypa/distlib/pull/201
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diff --git a/distlib/util.py b/distlib/util.py
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index e0622e4..4349d0b 100644
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--- a/src/pip/_vendor/distlib/util.py
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+++ b/src/pip/_vendor/distlib/util.py
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@@ -1249,6 +1249,19 @@ def check_path(path):
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for tarinfo in archive.getmembers():
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if not isinstance(tarinfo.name, text_type):
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tarinfo.name = tarinfo.name.decode('utf-8')
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+
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+ # Limit extraction of dangerous items, if this Python
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+ # allows it easily. If not, just trust the input.
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+ # See: https://docs.python.org/3/library/tarfile.html#extraction-filters
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+ def extraction_filter(member, path):
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+ """Run tarfile.tar_fillter, but raise the expected ValueError"""
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+ # This is only called if the current Python has tarfile filters
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+ try:
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+ return tarfile.tar_filter(member, path)
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+ except tarfile.FilterError as exc:
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+ raise ValueError(str(exc))
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+ archive.extraction_filter = extraction_filter
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+
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archive.extractall(dest_dir)
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finally:
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@ -12,7 +12,7 @@
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Name: python%{python3_pkgversion}-%{srcname}
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Version: %{base_version}%{?prerel:~%{prerel}}
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Release: 2%{?dist}
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Release: 4%{?dist}
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Summary: A tool for installing and managing Python packages
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# We bundle a lot of libraries with pip, which itself is under MIT license.
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@ -71,6 +71,14 @@ Patch2: nowarn-pip._internal.main.patch
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# Upstream issue: https://github.com/pypa/packaging/issues/368
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Patch3: no-version-warning.patch
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# CVE-2007-4559, PEP-721, PEP-706: Use tarfile.data_filter for extracting
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# - Minimal downstream-only patch, to be replaced by upstream solution
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# proposed in https://github.com/pypa/pip/pull/12214
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# - Test patch submitted upstream in the above pull request
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# - Patch for vendored distlib, accepted upstream:
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# https://github.com/pypa/distlib/pull/201
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Patch4: cve-2007-4559-tarfile.patch
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# Downstream only patch
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# Users might have local installations of pip from using
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# `pip install --user --upgrade pip` on older/newer versions.
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@ -328,34 +336,42 @@ pytest_k='not completion'
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%{python_wheel_dir}/%{python_wheel_name}
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%changelog
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* Tue Aug 08 2023 Petr Viktorin <pviktori@redhat.com> - 22.3.1-4
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- Use tarfile.data_filter for extracting (CVE-2007-4559, PEP-721, PEP-706)
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Resolves: RHBZ#2218247
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* Mon Mar 06 2023 Lumír Balhar <lbalhar@redhat.com> - 22.3.1-3
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- Fix changelog to contain Fedora contributors
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Resolves: RHEL-232
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* Mon Jan 30 2023 Charalampos Stratakis <cstratak@redhat.com> - 22.3.1-2
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- Add BuildRequires on python3.11-rpm-macros
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* Wed Aug 03 2022 Charalampos Stratakis <cstratak@redhat.com> - 22.3.1-1
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- Initial package
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- Fedora contributions by:
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# Bill Nottingham <notting@fedoraproject.org>
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# Charalampos Stratakis <cstratak@redhat.com>
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# David Malcolm <dmalcolm@redhat.com>
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# Dennis Gilmore <dennis@ausil.us>
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# Jon Ciesla <limburgher@gmail.com>
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# Karolina Surma <ksurma@redhat.com>
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# Kevin Fenzi <kevin@fedoraproject.org>
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# Kevin Kofler <Kevin@tigcc.ticalc.org>
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# Luke Macken <lmacken@redhat.com>
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# Lumir Balhar <lbalhar@redhat.com>
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# Marcel Plch <mplch@redhat.com>
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# Matej Stuchlik <mstuchli@redhat.com>
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# Michal Cyprian <m.cyprian@gmail.com>
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# Miro Hrončok <miro@hroncok.cz>
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# Orion Poplawski <orion@cora.nwra.com>
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# Pádraig Brady <P@draigBrady.com>
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# Peter Halliday <hoangelos@fedoraproject.org>
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# Petr Viktorin <pviktori@redhat.com>
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# Robert Kuska <rkuska@redhat.com>
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# Slavek Kabrda <bkabrda@redhat.com>
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# Tim Flink <tflink@fedoraproject.org>
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# Tomáš Hrnčiar <thrnciar@redhat.com>
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# Tomas Orsava <torsava@redhat.com>
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# Toshio Kuratomi <toshio@fedoraproject.org>
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# Ville Skyttä <ville.skytta@iki.fi>
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Bill Nottingham <notting@fedoraproject.org>
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Charalampos Stratakis <cstratak@redhat.com>
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David Malcolm <dmalcolm@redhat.com>
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Dennis Gilmore <dennis@ausil.us>
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Jon Ciesla <limburgher@gmail.com>
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Karolina Surma <ksurma@redhat.com>
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Kevin Fenzi <kevin@fedoraproject.org>
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Kevin Kofler <Kevin@tigcc.ticalc.org>
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Luke Macken <lmacken@redhat.com>
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Lumir Balhar <lbalhar@redhat.com>
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Marcel Plch <mplch@redhat.com>
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Matej Stuchlik <mstuchli@redhat.com>
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Michal Cyprian <m.cyprian@gmail.com>
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Miro Hrončok <miro@hroncok.cz>
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Orion Poplawski <orion@cora.nwra.com>
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Pádraig Brady <P@draigBrady.com>
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Peter Halliday <hoangelos@fedoraproject.org>
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Petr Viktorin <pviktori@redhat.com>
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Robert Kuska <rkuska@redhat.com>
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Slavek Kabrda <bkabrda@redhat.com>
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Tim Flink <tflink@fedoraproject.org>
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Tomáš Hrnčiar <thrnciar@redhat.com>
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Tomas Orsava <torsava@redhat.com>
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Toshio Kuratomi <toshio@fedoraproject.org>
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Ville Skyttä <ville.skytta@iki.fi>
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