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gst-ffmpeg: fix for Security Advisory CVE-2013-0858

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The atrac3_decode_init function in libavcodec/atrac3.c in FFmpeg before
1.0.4 allows remote attackers to have an unspecified impact via ATRAC3
data with the joint stereo coding mode set and fewer than two channels.

http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2013-0858

(From OE-Core rev: 0ee8754c973f5eff3ba4d00319a5308888c12b17)

(From OE-Core rev: 58aaf7ef101efb046a03e65fb084e9dfe871c648)

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>
This commit is contained in:
Yue Tao
2014-04-27 19:44:28 +08:00
committed by Richard Purdie
parent 6add5ac648
commit 4209379cc8
2 changed files with 38 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/0001-atrac3dec-Check-coding-mode-against-channels.patch Normal file
View File

@@ -0,0 +1,37 @@
From 2502914c5f8eb77659d7c0868396862557a63245 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Fri, 9 Nov 2012 13:26:20 +0100
Subject: [PATCH] atrac3dec: Check coding mode against channels.
Upstream-Status: Backport
Commit 2502914c5f8eb77659d7c0868396862557a63245 release/1.0
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 13451f5520ce6b0afde861b2285dda659f8d4fb4)
Conflicts:
libavcodec/atrac3.c
---
libavcodec/atrac3.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/libavcodec/atrac3.c b/libavcodec/atrac3.c
index 7d076be..1da4c78 100644
--- a/gst-libs/ext/libav/libavcodec/atrac3.c
+++ b/gst-libs/ext/libav/libavcodec/atrac3.c
@@ -955,6 +955,11 @@ static av_cold int atrac3_decode_init(AVCodecContext *avctx)
}
/* Check the extradata. */
+ if (q->codingMode == JOINT_STEREO && avctx->channels < 2) {
+ av_log(avctx, AV_LOG_ERROR, "Invalid coding mode\n");
+ return AVERROR_INVALIDDATA;
+ }
+
if (q->atrac3version != 4) {
av_log(avctx,AV_LOG_ERROR,"Version %d != 4.\n",q->atrac3version);
return AVERROR_INVALIDDATA;
--

1
meta/recipes-multimedia/gstreamer/gst-ffmpeg_0.10.13.bb
View File

@@ -30,6 +30,7 @@ SRC_URI = "http://gstreamer.freedesktop.org/src/${BPN}/${BPN}-${PV}.tar.bz2 \
file://0001-huffyuvdec-Check-init_vlc-return-codes.patch \
file://0001-alsdec-check-block-length.patch \
file://0001-pgssubdec-check-RLE-size-before-copying.-Fix-out-of-.patch \
file://0001-atrac3dec-Check-coding-mode-against-channels.patch \
"
SRC_URI[md5sum] = "7f5beacaf1312db2db30a026b36888c4"