diff options
Diffstat (limited to 'meta-multimedia/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/gst-ffmpeg-CVE-2013-3674.patch')
-rw-r--r-- | meta-multimedia/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/gst-ffmpeg-CVE-2013-3674.patch | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/meta-multimedia/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/gst-ffmpeg-CVE-2013-3674.patch b/meta-multimedia/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/gst-ffmpeg-CVE-2013-3674.patch new file mode 100644 index 000000000..aa385f54c --- /dev/null +++ b/meta-multimedia/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/gst-ffmpeg-CVE-2013-3674.patch | |||
@@ -0,0 +1,26 @@ | |||
1 | avcodec/cdgraphics: check buffer size before use | ||
2 | |||
3 | Fixes out of array accesses | ||
4 | |||
5 | Backported from:http://git.videolan.org/?p=ffmpeg.git;a=commit;h=ad002e1a13a8df934bd6cb2c84175a4780ab8942 | ||
6 | |||
7 | Upstream-Status: Backport | ||
8 | |||
9 | Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind | ||
10 | Signed-off-by: Michael Niedermayer <michaelni@gmx.at> | ||
11 | Signed-off-by: Ming Liu <ming.liu@windriver.com> | ||
12 | |||
13 | diff -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) { | ||