libpng: CVE-2018-13785

* CVE-2018-13785
In libpng 1.6.34, a wrong calculation of row_factor in the
png_check_chunk_length function (pngrutil.c) may trigger an
integer overflow and resultant divide-by-zero while processing
a crafted PNG file, leading to a denial of service.

(cherry picked from 8a05766cb74af05c04c53e6c9d60c13fc4d59bf2)

Affects libpng <= 1.6.34

CVE: CVE-2018-13785
Ref: https://access.redhat.com/security/cve/cve-2018-13785
(From OE-Core rev: 4cc1862695c6899b61e3900216376c1b2f338a19)

Signed-off-by: Sinan Kaya <okaya@kernel.org>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/meta/recipes-multimedia/libpng/libpng_1.6.34.bb b/meta/recipes-multimedia/libpng/libpng_1.6.34.bb
index e52d032289..3877d6cbf0 100644
--- a/meta/recipes-multimedia/libpng/libpng_1.6.34.bb
+++ b/meta/recipes-multimedia/libpng/libpng_1.6.34.bb
@@ -8,7 +8,9 @@ DEPENDS = "zlib"
 
 LIBV = "16"
 
-SRC_URI = "${SOURCEFORGE_MIRROR}/project/${BPN}/${BPN}${LIBV}/${PV}/${BP}.tar.xz"
+SRC_URI = "${SOURCEFORGE_MIRROR}/project/${BPN}/${BPN}${LIBV}/${PV}/${BP}.tar.xz \
+           file://CVE-2018-13785.patch \
+"
 SRC_URI[md5sum] = "c05b6ca7190a5e387b78657dbe5536b2"
 SRC_URI[sha256sum] = "2f1e960d92ce3b3abd03d06dfec9637dfbd22febf107a536b44f7a47c60659f6"