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authorYue Tao <Yue.Tao@windriver.com>2014-08-29 14:46:19 +0800
committerRichard Purdie <richard.purdie@linuxfoundation.org>2014-10-18 16:12:56 +0200
commit464123172c92d92fa08e2125c04653590ad654c7 (patch)
tree611162101994423885cad9fccf3aab87f619dd75
parent6a029bee3da097b9ed8c421fcd5ea61cd1a31b34 (diff)
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gst-ffmpeg: Security Advisory - ffmpeg - CVE-2013-0869
The field_end function in libavcodec/h264.c in FFmpeg before 1.1.2 allows remote attackers to have an unspecified impact via crafted H.264 data, related to an SPS and slice mismatch and an out-of-bounds array access. http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2013-0869 Signed-off-by: Yue Tao <Yue.Tao@windriver.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
-rw-r--r--meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/0001-h264-skip-error-concealment-when-SPS-and-slices-are-.patch33
-rw-r--r--meta/recipes-multimedia/gstreamer/gst-ffmpeg_0.10.13.bb1
2 files changed, 34 insertions, 0 deletions
diff --git a/meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/0001-h264-skip-error-concealment-when-SPS-and-slices-are-.patch b/meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/0001-h264-skip-error-concealment-when-SPS-and-slices-are-.patch
new file mode 100644
index 0000000000..5d45c1a96c
--- /dev/null
+++ b/meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/0001-h264-skip-error-concealment-when-SPS-and-slices-are-.patch
@@ -0,0 +1,33 @@
+gst-ffmpeg: h264: skip error concealment when SPS and slices are
+ mismatching
+
+Fixes out of array accesses
+
+Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
+Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
+(cherry picked from commit 695af8eed642ff0104834495652d1ee784a4c14d)
+
+Upstream-Status: Backport
+
+Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
+Signed-off-by: Yue Tao <yue.tao@windriver.com>
+---
+ libavcodec/h264.c | 2 +-
+ 1 files changed, 1 insertions(+), 1 deletions(-)
+
+diff --git a/libavcodec/h264.c b/libavcodec/h264.c
+index da144db..0aab4e7 100644
+--- a/gst-libs/ext/libav/libavcodec/h264.c
++++ b/gst-libs/ext/libav/libavcodec/h264.c
+@@ -2351,7 +2351,7 @@ static int field_end(H264Context *h, int in_setup)
+ * past end by one (callers fault) and resync_mb_y != 0
+ * causes problems for the first MB line, too.
+ */
+- if (!FIELD_PICTURE)
++ if (!FIELD_PICTURE && h->current_slice && !h->sps.new)
+ ff_er_frame_end(s);
+
+ ff_MPV_frame_end(s);
+--
+1.7.5.4
+
diff --git a/meta/recipes-multimedia/gstreamer/gst-ffmpeg_0.10.13.bb b/meta/recipes-multimedia/gstreamer/gst-ffmpeg_0.10.13.bb
index 3ccb7be9a9..395054de5d 100644
--- a/meta/recipes-multimedia/gstreamer/gst-ffmpeg_0.10.13.bb
+++ b/meta/recipes-multimedia/gstreamer/gst-ffmpeg_0.10.13.bb
@@ -54,6 +54,7 @@ SRC_URI = "http://gstreamer.freedesktop.org/src/${BPN}/${BPN}-${PV}.tar.bz2 \
file://0001-lavf-compute-probe-buffer-size-more-reliably.patch \
file://0001-ffserver-set-oformat.patch \
file://0001-h264-set-parameters-from-SPS-whenever-it-changes.patch \
+ file://0001-h264-skip-error-concealment-when-SPS-and-slices-are-.patch \
${@bb.utils.contains('PACKAGECONFIG', 'libav9', 'file://libav-9.patch', '', d)} \
"