From dac867dc63af70ae992c50697d2be95c3e7b58bb Mon Sep 17 00:00:00 2001 From: Hongxu Jia Date: Wed, 4 Jul 2018 09:39:14 +0800 Subject: libxml2: fix CVE-2017-8872 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 Signed-off-by: Ross Burton --- .../libxml/libxml2/fix-CVE-2017-8872.patch | 38 ++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 meta/recipes-core/libxml/libxml2/fix-CVE-2017-8872.patch (limited to 'meta/recipes-core/libxml/libxml2') 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 0000000000..b34479f318 --- /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 +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 + +Upstream-Status: Submitted +https://bug775200.bugzilla-attachments.gnome.org/attachment.cgi?id=366193 +CVE: CVE-2017-8872 +Signed-off-by: Hongxu Jia +--- + 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 + -- cgit 1.2.3-korg