From: Armin Kuster <akus...@mvista.com> includes: CVE-2015-7941-1 CVE-2015-7941-2
Signed-off-by: Armin Kuster <akus...@mvista.com> --- meta/recipes-core/libxml/libxml2.inc | 2 + ...top-parsing-on-entities-boundaries-errors.patch | 39 +++++++++++++++ ...leanup-conditional-section-error-handling.patch | 56 ++++++++++++++++++++++ 3 files changed, 97 insertions(+) create mode 100644 meta/recipes-core/libxml/libxml2/CVE-2015-7941-1-Stop-parsing-on-entities-boundaries-errors.patch create mode 100644 meta/recipes-core/libxml/libxml2/CVE-2015-7941-2-Cleanup-conditional-section-error-handling.patch diff --git a/meta/recipes-core/libxml/libxml2.inc b/meta/recipes-core/libxml/libxml2.inc index 1c3c37d..24b98a6 100644 --- a/meta/recipes-core/libxml/libxml2.inc +++ b/meta/recipes-core/libxml/libxml2.inc @@ -21,6 +21,8 @@ SRC_URI = "ftp://xmlsoft.org/libxml2/libxml2-${PV}.tar.gz;name=libtar \ file://libxml-m4-use-pkgconfig.patch \ file://configure.ac-fix-cross-compiling-warning.patch \ file://0001-CVE-2015-1819-Enforce-the-reader-to-run-in-constant-.patch \ + file://CVE-2015-7941-1-Stop-parsing-on-entities-boundaries-errors.patch \ + file://CVE-2015-7941-2-Cleanup-conditional-section-error-handling.patch \ " BINCONFIG = "${bindir}/xml2-config" diff --git a/meta/recipes-core/libxml/libxml2/CVE-2015-7941-1-Stop-parsing-on-entities-boundaries-errors.patch b/meta/recipes-core/libxml/libxml2/CVE-2015-7941-1-Stop-parsing-on-entities-boundaries-errors.patch new file mode 100644 index 0000000..11da9f9 --- /dev/null +++ b/meta/recipes-core/libxml/libxml2/CVE-2015-7941-1-Stop-parsing-on-entities-boundaries-errors.patch @@ -0,0 +1,39 @@ +From a7dfab7411cbf545f359dd3157e5df1eb0e7ce31 Mon Sep 17 00:00:00 2001 +From: Daniel Veillard <veill...@redhat.com> +Date: Mon, 23 Feb 2015 11:17:35 +0800 +Subject: [PATCH] Stop parsing on entities boundaries errors + +For https://bugzilla.gnome.org/show_bug.cgi?id=744980 + +There are times, like on unterminated entities that it's preferable to +stop parsing, even if that means less error reporting. Entities are +feeding the parser on further processing, and if they are ill defined +then it's possible to get the parser to bug. Also do the same on +Conditional Sections if the input is broken, as the structure of +the document can't be guessed. + +Upstream-Status: Backport + +CVE-2015-7941-1 + +Signed-off-by: Armin Kuster <akus...@mvista.com> + +--- + parser.c | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/parser.c b/parser.c +index a8d1b67..bbe97eb 100644 +--- a/parser.c ++++ b/parser.c +@@ -5658,6 +5658,7 @@ xmlParseEntityDecl(xmlParserCtxtPtr ctxt) { + if (RAW != '>') { + xmlFatalErrMsgStr(ctxt, XML_ERR_ENTITY_NOT_FINISHED, + "xmlParseEntityDecl: entity %s not terminated\n", name); ++ xmlStopParser(ctxt); + } else { + if (input != ctxt->input) { + xmlFatalErrMsg(ctxt, XML_ERR_ENTITY_BOUNDARY, +-- +2.3.5 + diff --git a/meta/recipes-core/libxml/libxml2/CVE-2015-7941-2-Cleanup-conditional-section-error-handling.patch b/meta/recipes-core/libxml/libxml2/CVE-2015-7941-2-Cleanup-conditional-section-error-handling.patch new file mode 100644 index 0000000..b7bd960 --- /dev/null +++ b/meta/recipes-core/libxml/libxml2/CVE-2015-7941-2-Cleanup-conditional-section-error-handling.patch @@ -0,0 +1,56 @@ +From 9b8512337d14c8ddf662fcb98b0135f225a1c489 Mon Sep 17 00:00:00 2001 +From: Daniel Veillard <veill...@redhat.com> +Date: Mon, 23 Feb 2015 11:29:20 +0800 +Subject: [PATCH] Cleanup conditional section error handling + +For https://bugzilla.gnome.org/show_bug.cgi?id=744980 + +The error handling of Conditional Section also need to be +straightened as the structure of the document can't be +guessed on a failure there and it's better to stop parsing +as further errors are likely to be irrelevant. + +Upstream-Status: Backport + +CVE-2015-7941-2 + +Signed-off-by: Armin Kuster <akus...@mvista.com> + +--- + parser.c | 6 ++++++ + 1 file changed, 6 insertions(+) + +diff --git a/parser.c b/parser.c +index bbe97eb..fe603ac 100644 +--- a/parser.c ++++ b/parser.c +@@ -6770,6 +6770,8 @@ xmlParseConditionalSections(xmlParserCtxtPtr ctxt) { + SKIP_BLANKS; + if (RAW != '[') { + xmlFatalErr(ctxt, XML_ERR_CONDSEC_INVALID, NULL); ++ xmlStopParser(ctxt); ++ return; + } else { + if (ctxt->input->id != id) { + xmlValidityError(ctxt, XML_ERR_ENTITY_BOUNDARY, +@@ -6830,6 +6832,8 @@ xmlParseConditionalSections(xmlParserCtxtPtr ctxt) { + SKIP_BLANKS; + if (RAW != '[') { + xmlFatalErr(ctxt, XML_ERR_CONDSEC_INVALID, NULL); ++ xmlStopParser(ctxt); ++ return; + } else { + if (ctxt->input->id != id) { + xmlValidityError(ctxt, XML_ERR_ENTITY_BOUNDARY, +@@ -6885,6 +6889,8 @@ xmlParseConditionalSections(xmlParserCtxtPtr ctxt) { + + } else { + xmlFatalErr(ctxt, XML_ERR_CONDSEC_INVALID_KEYWORD, NULL); ++ xmlStopParser(ctxt); ++ return; + } + + if (RAW == 0) +-- +2.3.5 + -- 2.3.5 -- _______________________________________________ Openembedded-core mailing list Openembedded-core@lists.openembedded.org http://lists.openembedded.org/mailman/listinfo/openembedded-core
