The htmlParseTryOrFinish function in HTMLparser.c in libxml2 2.9.4 allows attackers to cause a denial of service (buffer over-read) or information disclosure.
https://bugzilla.gnome.org/show_bug.cgi?id=775200 Signed-off-by: Hongxu Jia <hongxu....@windriver.com> --- .../libxml/libxml2/fix-CVE-2017-8872.patch | 38 ++++++++++++++++++++++ meta/recipes-core/libxml/libxml2_2.9.8.bb | 1 + 2 files changed, 39 insertions(+) create mode 100644 meta/recipes-core/libxml/libxml2/fix-CVE-2017-8872.patch diff --git a/meta/recipes-core/libxml/libxml2/fix-CVE-2017-8872.patch b/meta/recipes-core/libxml/libxml2/fix-CVE-2017-8872.patch new file mode 100644 index 0000000..e34a48e --- /dev/null +++ b/meta/recipes-core/libxml/libxml2/fix-CVE-2017-8872.patch @@ -0,0 +1,38 @@ +From b4bee17b158e289e5c4c9045e64e5374ccafe068 Mon Sep 17 00:00:00 2001 +From: Salvatore Bonaccorso <car...@debian.org> +Date: Tue, 3 Jul 2018 15:54:03 +0800 +Subject: [PATCH] Out-of-bounds read in htmlParseTryOrFinish (CVE-2017-8872) + +https://bugzilla.gnome.org/show_bug.cgi?id=775200 +Fixes bug 775200. + +Signed-off-by: Salvatore Bonaccorso <car...@debian.org> + +Upstream-Status: Backport +https://bug775200.bugzilla-attachments.gnome.org/attachment.cgi?id=366193 +CVE: CVE-2017-8872 +Signed-off-by: Hongxu Jia <hongxu....@windriver.com> +--- + parser.c | 6 +++++- + 1 file changed, 5 insertions(+), 1 deletion(-) + +diff --git a/parser.c b/parser.c +index ca9fde2..fb4c889 100644 +--- a/parser.c ++++ b/parser.c +@@ -12464,7 +12464,11 @@ xmlHaltParser(xmlParserCtxtPtr ctxt) { + } + ctxt->input->cur = BAD_CAST""; + ctxt->input->base = ctxt->input->cur; +- ctxt->input->end = ctxt->input->cur; ++ ctxt->input->end = ctxt->input->cur; ++ if (ctxt->input->buf) ++ xmlBufEmpty (ctxt->input->buf->buffer); ++ else ++ ctxt->input->length = 0; + } + } + +-- +2.7.4 + diff --git a/meta/recipes-core/libxml/libxml2_2.9.8.bb b/meta/recipes-core/libxml/libxml2_2.9.8.bb index d55e650..1f22bb0 100644 --- a/meta/recipes-core/libxml/libxml2_2.9.8.bb +++ b/meta/recipes-core/libxml/libxml2_2.9.8.bb @@ -20,6 +20,7 @@ SRC_URI = "http://www.xmlsoft.org/sources/libxml2-${PV}.tar.gz;name=libtar \ file://libxml-m4-use-pkgconfig.patch \ file://0001-Make-ptest-run-the-python-tests-if-python-is-enabled.patch \ file://fix-execution-of-ptests.patch \ + file://fix-CVE-2017-8872.patch \ " SRC_URI[libtar.md5sum] = "b786e353e2aa1b872d70d5d1ca0c740d" -- 2.7.4 -- _______________________________________________ Openembedded-core mailing list Openembedded-core@lists.openembedded.org http://lists.openembedded.org/mailman/listinfo/openembedded-core
