import mingw-expat-2.4.8-2.el8
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@ -0,0 +1,122 @@
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commit bfecc1f11ab5f0cc2aa3dc5cb87d3236a87ce61d
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Author: Tomas Korbar <tkorbar@redhat.com>
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Date: Fri Sep 30 10:52:04 2022 +0200
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Fix CVE-2022-40674
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diff --git a/lib/xmlparse.c b/lib/xmlparse.c
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index e986156..1352a89 100644
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--- a/lib/xmlparse.c
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+++ b/lib/xmlparse.c
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@@ -5826,10 +5826,15 @@ internalEntityProcessor(XML_Parser parser, const char *s, const char *end,
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{
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parser->m_processor = contentProcessor;
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/* see externalEntityContentProcessor vs contentProcessor */
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- return doContent(parser, parser->m_parentParser ? 1 : 0, parser->m_encoding,
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- s, end, nextPtr,
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- (XML_Bool)! parser->m_parsingStatus.finalBuffer,
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- XML_ACCOUNT_DIRECT);
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+ result = doContent(parser, parser->m_parentParser ? 1 : 0, parser->m_encoding,
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+ s, end, nextPtr,
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+ (XML_Bool)! parser->m_parsingStatus.finalBuffer,
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+ XML_ACCOUNT_DIRECT);
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+ if (result == XML_ERROR_NONE) {
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+ if (! storeRawNames(parser))
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+ return XML_ERROR_NO_MEMORY;
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+ }
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+ return result;
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}
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}
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diff --git a/tests/runtests.c b/tests/runtests.c
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index ea371b4..193e103 100644
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--- a/tests/runtests.c
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+++ b/tests/runtests.c
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@@ -5008,6 +5008,78 @@ START_TEST(test_resume_entity_with_syntax_error) {
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}
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END_TEST
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+void
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+suspending_comment_handler(void *userData, const XML_Char *UNUSED_P(data)) {
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+ XML_Parser parser = (XML_Parser)userData;
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+ XML_StopParser(parser, XML_TRUE);
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+}
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+
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+START_TEST(test_suspend_resume_internal_entity_issue_629) {
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+ const char *const text
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+ = "<!DOCTYPE a [<!ENTITY e '<!--COMMENT-->a'>]><a>&e;<b>\n"
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+ "<"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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+ "/>"
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+ "</b></a>";
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+ const size_t firstChunkSizeBytes = 54;
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+
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+ XML_Parser parser = XML_ParserCreate(NULL);
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+ XML_SetUserData(parser, parser);
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+ XML_SetCommentHandler(parser, suspending_comment_handler);
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+
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+ if (XML_Parse(parser, text, (int)firstChunkSizeBytes, XML_FALSE)
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+ != XML_STATUS_SUSPENDED)
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+ xml_failure(parser);
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+ if (XML_ResumeParser(parser) != XML_STATUS_OK)
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+ xml_failure(parser);
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+ if (XML_Parse(parser, text + firstChunkSizeBytes,
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+ (int)(strlen(text) - firstChunkSizeBytes), XML_TRUE)
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+ != XML_STATUS_OK)
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+ xml_failure(parser);
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+ XML_ParserFree(parser);
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+}
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+END_TEST
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+
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+
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/* Test suspending and resuming in a parameter entity substitution */
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static void XMLCALL
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element_decl_suspender(void *userData, const XML_Char *name,
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@@ -12017,6 +12089,7 @@ make_suite(void) {
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tcase_add_test(tc_basic, test_hash_collision);
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tcase_add_test__ifdef_xml_dtd(tc_basic, test_suspend_resume_internal_entity);
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tcase_add_test__ifdef_xml_dtd(tc_basic, test_resume_entity_with_syntax_error);
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+ tcase_add_test__ifdef_xml_dtd(tc_basic, test_suspend_resume_internal_entity_issue_629);
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tcase_add_test__ifdef_xml_dtd(tc_basic, test_suspend_resume_parameter_entity);
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tcase_add_test(tc_basic, test_restart_on_error);
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tcase_add_test(tc_basic, test_reject_lt_in_attribute_value);
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@ -2,13 +2,15 @@
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Name: mingw-expat
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Version: 2.4.8
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Release: 1%{?dist}
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Release: 2%{?dist}
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Summary: MinGW Windows port of expat XML parser library
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License: MIT
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URL: http://www.libexpat.org/
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Source0: http://downloads.sourceforge.net/expat/expat-%{version}.tar.bz2
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Patch0001: expat-2.4.8-Ensure-raw-tagnames-are-safe-exiting-internalEntityParser.patch
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BuildArch: noarch
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ExclusiveArch: %{ix86} x86_64
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@ -74,6 +76,7 @@ Static version of the MinGW Windows expat XML parser library.
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%prep
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%setup -q -n expat-%{version}
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%patch0001 -p1 -b .CVE-2022-40674
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%build
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@ -125,6 +128,10 @@ rm -rf $RPM_BUILD_ROOT%{mingw64_mandir}/man1
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%changelog
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* Wed Jan 04 2023 Uri Lublin <uril@redhat.com> - 2.4.8-2
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- Fix CVE-2022-40674
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Resolves: rhbz#2130833
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* Mon May 02 2022 Uri Lublin <uril@redhat.com> - 2.4.8-1
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- Update to 2.4.8 and pick up CVEs fixes
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- Resolves: rhbz#2050504 CVE-2022-23990
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