!51 [sync] PR-50: Fix CVE-2024-5569
From: @openeuler-sync-bot Reviewed-by: @cherry530 Signed-off-by: @cherry530
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114
backport-CVE-2024-5569.patch
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114
backport-CVE-2024-5569.patch
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From fd604bd34f0343472521a36da1fbd22e793e14fd Mon Sep 17 00:00:00 2001
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From: "Jason R. Coombs" <jaraco@jaraco.com>
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Date: Fri, 31 May 2024 12:31:40 -0400
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Subject: [PATCH] Merge pull request #120 from jaraco/bugfix/119-malformed-paths
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Sanitize malformed paths
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---
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tests/test_path.py | 17 ++++++++++++
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zipp/__init__.py | 64 +++++++++++++++++++++++++++++++++++++++++++++-
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2 files changed, 80 insertions(+), 1 deletion(-)
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diff --git a/tests/test_path.py b/tests/test_path.py
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index 9504821..0e0ee43 100644
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--- a/tests/test_path.py
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+++ b/tests/test_path.py
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@@ -582,3 +582,20 @@ class TestPath(unittest.TestCase):
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zipp.Path(alpharep)
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with self.assertRaises(KeyError):
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alpharep.getinfo('does-not-exist')
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+
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+ def test_malformed_paths(self):
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+ """
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+ Path should handle malformed paths.
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+ """
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+ data = io.BytesIO()
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+ zf = zipfile.ZipFile(data, "w")
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+ zf.writestr("/one-slash.txt", b"content")
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+ zf.writestr("//two-slash.txt", b"content")
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+ zf.writestr("../parent.txt", b"content")
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+ zf.filename = ''
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+ root = zipp.Path(zf)
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+ assert list(map(str, root.iterdir())) == [
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+ 'one-slash.txt',
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+ 'two-slash.txt',
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+ 'parent.txt',
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+ ]
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diff --git a/zipp/__init__.py b/zipp/__init__.py
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index 3354c2b..79efbe0 100644
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--- a/zipp/__init__.py
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+++ b/zipp/__init__.py
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@@ -84,7 +84,69 @@ class InitializedState:
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super().__init__(*args, **kwargs)
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-class CompleteDirs(InitializedState, zipfile.ZipFile):
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+class SanitizedNames:
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+ """
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+ ZipFile mix-in to ensure names are sanitized.
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+ """
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+
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+ def namelist(self):
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+ return list(map(self._sanitize, super().namelist()))
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+
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+ @staticmethod
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+ def _sanitize(name):
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+ r"""
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+ Ensure a relative path with posix separators and no dot names.
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+
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+ Modeled after
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+ https://github.com/python/cpython/blob/bcc1be39cb1d04ad9fc0bd1b9193d3972835a57c/Lib/zipfile/__init__.py#L1799-L1813
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+ but provides consistent cross-platform behavior.
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+
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+ >>> san = SanitizedNames._sanitize
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+ >>> san('/foo/bar')
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+ 'foo/bar'
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+ >>> san('//foo.txt')
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+ 'foo.txt'
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+ >>> san('foo/.././bar.txt')
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+ 'foo/bar.txt'
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+ >>> san('foo../.bar.txt')
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+ 'foo../.bar.txt'
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+ >>> san('\\foo\\bar.txt')
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+ 'foo/bar.txt'
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+ >>> san('D:\\foo.txt')
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+ 'D/foo.txt'
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+ >>> san('\\\\server\\share\\file.txt')
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+ 'server/share/file.txt'
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+ >>> san('\\\\?\\GLOBALROOT\\Volume3')
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+ '?/GLOBALROOT/Volume3'
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+ >>> san('\\\\.\\PhysicalDrive1\\root')
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+ 'PhysicalDrive1/root'
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+
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+ Retain any trailing slash.
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+ >>> san('abc/')
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+ 'abc/'
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+
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+ Raises a ValueError if the result is empty.
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+ >>> san('../..')
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+ Traceback (most recent call last):
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+ ...
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+ ValueError: Empty filename
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+ """
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+
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+ def allowed(part):
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+ return part and part not in {'..', '.'}
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+
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+ # Remove the drive letter.
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+ # Don't use ntpath.splitdrive, because that also strips UNC paths
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+ bare = re.sub('^([A-Z]):', r'\1', name, flags=re.IGNORECASE)
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+ clean = bare.replace('\\', '/')
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+ parts = clean.split('/')
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+ joined = '/'.join(filter(allowed, parts))
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+ if not joined:
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+ raise ValueError("Empty filename")
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+ return joined + '/' * name.endswith('/')
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+
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+
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+class CompleteDirs(InitializedState, SanitizedNames, zipfile.ZipFile):
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"""
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A ZipFile subclass that ensures that implied directories
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are always included in the namelist.
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--
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2.45.2
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@ -1,11 +1,13 @@
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%global _empty_manifest_terminate_build 0
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Name: python-zipp
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Version: 3.17.0
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Release: 1
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Release: 2
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Summary: Backport of pathlib-compatible object wrapper for zip files
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License: MIT
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URL: https://github.com/jaraco/zipp
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Source0: https://pypi.io/packages/source/z/zipp/zipp-%{version}.tar.gz
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# https://github.com/jaraco/zipp/commit/fd604bd34f0343472521a36da1fbd22e793e14fd
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Patch3000: backport-CVE-2024-5569.patch
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BuildArch: noarch
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%description
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@ -35,7 +37,7 @@ Provides: python3-zipp-doc
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A pathlib-compatible Zipfile object wrapper. A backport of the Path object.
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%prep
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%autosetup -n zipp-%{version}
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%autosetup -n zipp-%{version} -p1
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# Skip tests that depend on jaraco.itertools
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sed -i "/import jaraco.itertools/d" tests/test_path.py
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@ -65,6 +67,9 @@ pytest -k "not test_joinpath_constant_time"
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%{_docdir}/*
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%changelog
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* Mon Jul 22 2024 yaoxin <yao_xin001@hoperun.com> - 3.17.0-2
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- Fix CVE-2024-5569
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* Mon Sep 11 2023 xu_ping <707078654@qq.com> - 3.17.0-1
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- Upgrade version to 3.17.0
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