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authorYue Tao <Yue.Tao@windriver.com>2014-04-28 11:12:34 +0800
committerRichard Purdie <richard.purdie@linuxfoundation.org>2014-05-21 19:50:21 +0100
commit7e7f6efa05692a3fbd047cc5fd1abf0ec35a74bc (patch)
treed0b0e88db18fc0abdd5229f19111ce79f3a40b41 /meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13
parentc884618ff75b884c34ff8b0b7665c0af54ca1216 (diff)
downloadpoky-7e7f6efa05692a3fbd047cc5fd1abf0ec35a74bc.tar.gz
gst-ffmpeg: fix for Security Advisory CVE-2013-0849
The roq_decode_init function in libavcodec/roqvideodec.c in FFmpeg before 1.1 allows remote attackers to have an unspecified impact via a crafted (1) width or (2) height dimension that is not a multiple of sixteen in id RoQ video data. http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2013-0849 (From OE-Core rev: 1a43a8054f51fbd542f3f037dc35f8b501e455bf) Signed-off-by: Yue Tao <Yue.Tao@windriver.com> Signed-off-by: Roy Li <rongqing.li@windriver.com> Signed-off-by: Saul Wold <sgw@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13')
-rw-r--r--meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/0001-roqvideodec-check-dimensions-validity.patch36
1 files changed, 36 insertions, 0 deletions
diff --git a/meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/0001-roqvideodec-check-dimensions-validity.patch b/meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/0001-roqvideodec-check-dimensions-validity.patch
new file mode 100644
index 0000000000..7e58afcf6b
--- /dev/null
+++ b/meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/0001-roqvideodec-check-dimensions-validity.patch
@@ -0,0 +1,36 @@
1From 391e0fc6c90ced6656b74f50f3a487b6dc76ea63 Mon Sep 17 00:00:00 2001
2From: Michael Niedermayer <michaelni@gmx.at>
3Date: Thu, 29 Nov 2012 15:18:17 +0100
4Subject: [PATCH] roqvideodec: check dimensions validity
5
6Upstream-Status: Backport
7
8Commit 391e0fc6c90ced6656b74f50f3a487b6dc76ea63 release/0.7
9
10Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
11Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12(cherry picked from commit 3ae610451170cd5a28b33950006ff0bd23036845)
13
14Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
15---
16 libavcodec/roqvideodec.c | 6 ++++++
17 1 file changed, 6 insertions(+)
18
19diff --git a/libavcodec/roqvideodec.c b/libavcodec/roqvideodec.c
20index f0977f6..4e34231 100644
21--- a/gst-libs/ext/libav/libavcodec/roqvideodec.c
22+++ b/gst-libs/ext/libav/libavcodec/roqvideodec.c
23@@ -157,6 +157,12 @@ static av_cold int roq_decode_init(AVCodecContext *avctx)
24 RoqContext *s = avctx->priv_data;
25
26 s->avctx = avctx;
27+
28+ if (avctx->width%16 || avctx->height%16) {
29+ av_log_ask_for_sample(avctx, "dimensions not being a multiple of 16 are unsupported\n");
30+ return AVERROR_PATCHWELCOME;
31+ }
32+
33 s->width = avctx->width;
34 s->height = avctx->height;
35 avcodec_get_frame_defaults(&s->frames[0]);
36--