expat: CVE-2012-6702, CVE-2016-5300

References:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5300
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-6702
http://www.openwall.com/lists/oss-security/2016/06/04/5

Reference to upstream fix:
https://bugzilla.redhat.com/attachment.cgi?id=1165210
Squashed backport against vanilla Expat 2.1.1, addressing:
* CVE-2012-6702 -- unanticipated internal calls to srand
* CVE-2016-5300 -- use of too little entropy

(From OE-Core rev: c9a2e2f33e8b473f06a3941dab9b4ecccd111a23)

Signed-off-by: Sona Sarmadi <sona.sarmadi@enea.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/meta/recipes-core/expat/expat_2.1.0.bb b/meta/recipes-core/expat/expat_2.1.0.bb
index b958742edc..f81486485d 100644
--- a/meta/recipes-core/expat/expat_2.1.0.bb
+++ b/meta/recipes-core/expat/expat_2.1.0.bb
@@ -1,5 +1,9 @@
 require expat.inc
+
+FILESEXTRAPATHS_prepend := "${THISDIR}/expat-2.1.0:"
 LIC_FILES_CHKSUM = "file://COPYING;md5=1b71f681713d1256e1c23b0890920874"
 
+SRC_URI += "file://CVE-2016-5300_CVE-2012-6702.patch \
+           "
 SRC_URI[md5sum] = "dd7dab7a5fea97d2a6a43f511449b7cd"
 SRC_URI[sha256sum] = "823705472f816df21c8f6aa026dd162b280806838bb55b3432b0fb1fcca7eb86"