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authorBaruch Siach <baruch@tkos.co.il>2018-02-09 11:07:58 +0200
committerThomas Petazzoni <thomas.petazzoni@bootlin.com>2018-02-10 10:12:54 +0100
commit86e027f6d3eee30304da6a4fff84c808cd79182f (patch)
tree2424ee7a3731e06597add4378c1f72405a15a3c9
parent242abb4b212eb98e1c3ec1560d69c4e41f98b898 (diff)
downloadbuildroot-86e027f6d3eee30304da6a4fff84c808cd79182f.tar.gz
buildroot-86e027f6d3eee30304da6a4fff84c808cd79182f.zip
libxml2: add security fix
CVE-2017-8872: An attackers can cause a denial of service (buffer over-read) or information disclosure. Patch from the upstream bug tracker. Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
-rw-r--r--package/libxml2/0001-CVE-2017-8872.patch33
1 files changed, 33 insertions, 0 deletions
diff --git a/package/libxml2/0001-CVE-2017-8872.patch b/package/libxml2/0001-CVE-2017-8872.patch
new file mode 100644
index 0000000000..b7a75c19a7
--- /dev/null
+++ b/package/libxml2/0001-CVE-2017-8872.patch
@@ -0,0 +1,33 @@
+From 8b329effb610f4138e4e680f6a6867570f6d6179 Mon Sep 17 00:00:00 2001
+From: Baruch Siach <baruch@tkos.co.il>
+Date: Fri, 9 Feb 2018 10:58:11 +0200
+Subject: [PATCH] CVE-2017-8872
+
+Taken from attachment to upstream bug report comment #9.
+
+https://bugzilla.gnome.org/show_bug.cgi?id=775200#c9
+https://bugzilla.gnome.org/attachment.cgi?id=366193&action=diff
+
+Signed-off-by: Baruch Siach <baruch@tkos.co.il>
+---
+ parser.c | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/parser.c b/parser.c
+index 1c5e036ea265..025111067ae8 100644
+--- a/parser.c
++++ b/parser.c
+@@ -12467,6 +12467,10 @@ xmlHaltParser(xmlParserCtxtPtr ctxt) {
+ ctxt->input->cur = BAD_CAST"";
+ ctxt->input->base = ctxt->input->cur;
+ ctxt->input->end = ctxt->input->cur;
++ if (ctxt->input->buf)
++ xmlBufEmpty (ctxt->input->buf->buffer);
++ else
++ ctxt->input->length = 0;
+ }
+ }
+
+--
+2.15.1
+
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