[gnome-continuous-yocto/gnomeostree-3.28-rocko: 6537/8267] libsndfile1: Fix CVE-2017-6892

[Emmanuele Bassi <ebassi src gnome org>]

commit d5e18f4a1a47ffeddd434f74729e26bdb61f2d10
Author: Fan Xin <fan xin jp fujitsu com>
Date:   Thu Jun 22 10:44:02 2017 +0900

    libsndfile1: Fix CVE-2017-6892
    
    Backport upstream patch to fix CVE-2017-6892.
    
    CVE: CVE-2017-6892
    
    (From OE-Core rev: cc9b8d0afe64b83f585843f3aff1c077f69fd656)
    
    Signed-off-by: Fan Xin <fan xin jp fujitsu com>
    Signed-off-by: Ross Burton <ross burton intel com>
    Signed-off-by: Richard Purdie <richard purdie linuxfoundation org>

 .../libsndfile/libsndfile1/CVE-2017-6892.patch     |   34 ++++++++++++++++++++
 .../libsndfile/libsndfile1_1.0.28.bb               |    4 ++-
 2 files changed, 37 insertions(+), 1 deletions(-)
---
diff --git a/meta/recipes-multimedia/libsndfile/libsndfile1/CVE-2017-6892.patch 
b/meta/recipes-multimedia/libsndfile/libsndfile1/CVE-2017-6892.patch
new file mode 100644
index 0000000..89552ac
--- /dev/null
+++ b/meta/recipes-multimedia/libsndfile/libsndfile1/CVE-2017-6892.patch
@@ -0,0 +1,34 @@
+From f833c53cb596e9e1792949f762e0b33661822748 Mon Sep 17 00:00:00 2001
+From: Erik de Castro Lopo <erikd mega-nerd com>
+Date: Tue, 23 May 2017 20:15:24 +1000
+Subject: [PATCH] src/aiff.c: Fix a buffer read overflow
+
+Secunia Advisory SA76717.
+
+Found by: Laurent Delosieres, Secunia Research at Flexera Software
+
+CVE: CVE-2017-6892
+Upstream-Status: Backport
+
+Signed-off-by: Fan Xin <fan xin jp fujitsu com>
+
+---
+ src/aiff.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/aiff.c b/src/aiff.c
+index 5b5f9f5..45864b7 100644
+--- a/src/aiff.c
++++ b/src/aiff.c
+@@ -1759,7 +1759,7 @@ aiff_read_chanmap (SF_PRIVATE * psf, unsigned dword)
+               psf_binheader_readf (psf, "j", dword - bytesread) ;
+ 
+       if (map_info->channel_map != NULL)
+-      {       size_t chanmap_size = psf->sf.channels * sizeof (psf->channel_map [0]) ;
++      {       size_t chanmap_size = SF_MIN (psf->sf.channels, layout_tag & 0xffff) * sizeof 
(psf->channel_map [0]) ;
+ 
+               free (psf->channel_map) ;
+ 
+-- 
+1.9.1
+
diff --git a/meta/recipes-multimedia/libsndfile/libsndfile1_1.0.28.bb 
b/meta/recipes-multimedia/libsndfile/libsndfile1_1.0.28.bb
index 248b292..6f242cf 100644
--- a/meta/recipes-multimedia/libsndfile/libsndfile1_1.0.28.bb
+++ b/meta/recipes-multimedia/libsndfile/libsndfile1_1.0.28.bb
@@ -5,7 +5,9 @@ DEPENDS = "flac libogg libvorbis sqlite3"
 SECTION = "libs/multimedia"
 LICENSE = "LGPLv2.1"
 
-SRC_URI = "http://www.mega-nerd.com/libsndfile/files/libsndfile-${PV}.tar.gz";
+SRC_URI = "http://www.mega-nerd.com/libsndfile/files/libsndfile-${PV}.tar.gz \
+           file://CVE-2017-6892.patch \
+          "
 
 SRC_URI[md5sum] = "646b5f98ce89ac60cdb060fcd398247c"
 SRC_URI[sha256sum] = "1ff33929f042fa333aed1e8923aa628c3ee9e1eb85512686c55092d1e5a9dfa9"