Fix tests for XMLPullParser with Expat with fixed CVE
This commit is contained in:
Lumir Balhar
parent
d33666c7bb
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Serhiy Storchaka <storchaka@gmail.com>
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Date: Sun, 11 Feb 2024 12:08:39 +0200
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Subject: [PATCH] 00422: gh-115133: Fix tests for XMLPullParser with Expat
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2.6.0
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Feeding the parser by too small chunks defers parsing to prevent
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CVE-2023-52425. Future versions of Expat may be more reactive.
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(cherry picked from commit 4a08e7b3431cd32a0daf22a33421cd3035343dc4)
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---
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Lib/test/test_xml_etree.py | 58 ++++++++++++-------
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...-02-08-14-21-28.gh-issue-115133.ycl4ko.rst | 2 +
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2 files changed, 38 insertions(+), 22 deletions(-)
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create mode 100644 Misc/NEWS.d/next/Library/2024-02-08-14-21-28.gh-issue-115133.ycl4ko.rst
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diff --git a/Lib/test/test_xml_etree.py b/Lib/test/test_xml_etree.py
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index b50898f1d1..6fb888cb21 100644
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--- a/Lib/test/test_xml_etree.py
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+++ b/Lib/test/test_xml_etree.py
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@@ -1400,28 +1400,37 @@ class XMLPullParserTest(unittest.TestCase):
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self.assertEqual([(action, elem.tag) for action, elem in events],
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expected)
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- def test_simple_xml(self):
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- for chunk_size in (None, 1, 5):
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- with self.subTest(chunk_size=chunk_size):
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- parser = ET.XMLPullParser()
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- self.assert_event_tags(parser, [])
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- self._feed(parser, "<!-- comment -->\n", chunk_size)
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- self.assert_event_tags(parser, [])
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- self._feed(parser,
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- "<root>\n <element key='value'>text</element",
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- chunk_size)
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- self.assert_event_tags(parser, [])
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- self._feed(parser, ">\n", chunk_size)
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- self.assert_event_tags(parser, [('end', 'element')])
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- self._feed(parser, "<element>text</element>tail\n", chunk_size)
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- self._feed(parser, "<empty-element/>\n", chunk_size)
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- self.assert_event_tags(parser, [
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- ('end', 'element'),
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- ('end', 'empty-element'),
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- ])
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- self._feed(parser, "</root>\n", chunk_size)
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- self.assert_event_tags(parser, [('end', 'root')])
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- self.assertIsNone(parser.close())
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+ def test_simple_xml(self, chunk_size=None):
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+ parser = ET.XMLPullParser()
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+ self.assert_event_tags(parser, [])
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+ self._feed(parser, "<!-- comment -->\n", chunk_size)
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+ self.assert_event_tags(parser, [])
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+ self._feed(parser,
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+ "<root>\n <element key='value'>text</element",
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+ chunk_size)
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+ self.assert_event_tags(parser, [])
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+ self._feed(parser, ">\n", chunk_size)
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+ self.assert_event_tags(parser, [('end', 'element')])
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+ self._feed(parser, "<element>text</element>tail\n", chunk_size)
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+ self._feed(parser, "<empty-element/>\n", chunk_size)
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+ self.assert_event_tags(parser, [
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+ ('end', 'element'),
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+ ('end', 'empty-element'),
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+ ])
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+ self._feed(parser, "</root>\n", chunk_size)
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+ self.assert_event_tags(parser, [('end', 'root')])
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+ self.assertIsNone(parser.close())
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+
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+ @unittest.expectedFailure
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+ def test_simple_xml_chunk_1(self):
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+ self.test_simple_xml(chunk_size=1)
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+
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+ @unittest.expectedFailure
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+ def test_simple_xml_chunk_5(self):
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+ self.test_simple_xml(chunk_size=5)
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+
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+ def test_simple_xml_chunk_22(self):
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+ self.test_simple_xml(chunk_size=22)
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def test_feed_while_iterating(self):
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parser = ET.XMLPullParser()
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diff --git a/Misc/NEWS.d/next/Library/2024-02-08-14-21-28.gh-issue-115133.ycl4ko.rst b/Misc/NEWS.d/next/Library/2024-02-08-14-21-28.gh-issue-115133.ycl4ko.rst
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new file mode 100644
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index 0000000000..6f1015235c
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--- /dev/null
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+++ b/Misc/NEWS.d/next/Library/2024-02-08-14-21-28.gh-issue-115133.ycl4ko.rst
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@@ -0,0 +1,2 @@
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+Fix tests for :class:`~xml.etree.ElementTree.XMLPullParser` with Expat
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+2.6.0.
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@ -20,7 +20,7 @@ URL: https://www.python.org/
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#global prerel ...
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%global upstream_version %{general_version}%{?prerel}
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Version: %{general_version}%{?prerel:~%{prerel}}
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Release: 1%{?dist}
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Release: 2%{?dist}
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License: Python-2.0.1
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@ -396,6 +396,13 @@ Patch415: 00415-cve-2023-27043-gh-102988-reject-malformed-addresses-in-email-par
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# and https://github.com/python/cpython/issues/114244
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Patch418: 00418-don-t-generate-sbom-in-make-regen-all.patch
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# 00422 # a353cebef737c41420dc7ae2469dd657371b8881
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# gh-115133: Fix tests for XMLPullParser with Expat 2.6.0
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#
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# Feeding the parser by too small chunks defers parsing to prevent
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# CVE-2023-52425. Future versions of Expat may be more reactive.
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Patch422: 00422-gh-115133-fix-tests-for-xmlpullparser-with-expat-2-6-0.patch
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# (New patches go here ^^^)
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#
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# When adding new patches to "python" and "python3" in Fedora, EL, etc.,
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@ -1707,6 +1714,9 @@ CheckPython optimized
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# ======================================================
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%changelog
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* Fri May 03 2024 Lumír Balhar <lbalhar@redhat.com> - 3.12.2-2
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- Fix tests for XMLPullParser with Expat with fixed CVE
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* Fri May 03 2024 Lumír Balhar <lbalhar@redhat.com> - 3.12.2-1
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- Update to 3.12.2
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Resolves: RHEL-33690
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