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Diffstat (limited to 'meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/gst-ffmpeg-CVE-2013-3674.patch')
-rw-r--r--meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/gst-ffmpeg-CVE-2013-3674.patch26
1 files changed, 26 insertions, 0 deletions
diff --git a/meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/gst-ffmpeg-CVE-2013-3674.patch b/meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/gst-ffmpeg-CVE-2013-3674.patch
new file mode 100644
index 0000000000..aa385f54c1
--- /dev/null
+++ b/meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/gst-ffmpeg-CVE-2013-3674.patch
@@ -0,0 +1,26 @@
1avcodec/cdgraphics: check buffer size before use
2
3Fixes out of array accesses
4
5Backported from:http://git.videolan.org/?p=ffmpeg.git;a=commit;h=ad002e1a13a8df934bd6cb2c84175a4780ab8942
6
7Upstream-Status: Backport
8
9Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
10Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11Signed-off-by: Ming Liu <ming.liu@windriver.com>
12
13diff -urpN a/gst-libs/ext/libav/libavcodec/cdgraphics.c b/gst-libs/ext/libav/libavcodec/cdgraphics.c
14--- a/gst-libs/ext/libav/libavcodec/cdgraphics.c 2013-07-18 13:17:08.399876575 +0800
15+++ b/gst-libs/ext/libav/libavcodec/cdgraphics.c 2013-07-18 13:18:05.880502267 +0800
16@@ -291,7 +291,9 @@ static int cdg_decode_frame(AVCodecConte
17 inst = bytestream_get_byte(&buf);
18 inst &= CDG_MASK;
19 buf += 2; /// skipping 2 unneeded bytes
20- bytestream_get_buffer(&buf, cdg_data, buf_size - CDG_HEADER_SIZE);
21+
22+ if (buf_size > CDG_HEADER_SIZE)
23+ bytestream_get_buffer(&buf, cdg_data, buf_size - CDG_HEADER_SIZE);
24
25 if ((command & CDG_MASK) == CDG_COMMAND) {
26 switch (inst) {