diff options
Diffstat (limited to 'meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/0001-smackerdec-Check-that-the-last-indexes-are-within-th.patch')
-rw-r--r-- | meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/0001-smackerdec-Check-that-the-last-indexes-are-within-th.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/0001-smackerdec-Check-that-the-last-indexes-are-within-th.patch b/meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/0001-smackerdec-Check-that-the-last-indexes-are-within-th.patch new file mode 100644 index 0000000000..15b161469c --- /dev/null +++ b/meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/0001-smackerdec-Check-that-the-last-indexes-are-within-th.patch @@ -0,0 +1,32 @@ +gst-ffmpeg: smackerdec: Check that the last indexes are within the + table. + +Fixes CVE-2011-3944 + +Upstream-Status: Backport + +Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind +Signed-off-by: Michael Niedermayer <michaelni@gmx.at> +--- + libavcodec/smacker.c | 5 +++++ + 1 files changed, 5 insertions(+), 0 deletions(-) + +diff --git a/libavcodec/smacker.c b/libavcodec/smacker.c +index 30f99b4..2a8bae8 100644 +--- a/gst-libs/ext/libav/libavcodec/smacker.c ++++ b/gst-libs/ext/libav/libavcodec/smacker.c +@@ -259,6 +259,11 @@ static int smacker_decode_header_tree(SmackVContext *smk, GetBitContext *gb, int + if(ctx.last[0] == -1) ctx.last[0] = huff.current++; + if(ctx.last[1] == -1) ctx.last[1] = huff.current++; + if(ctx.last[2] == -1) ctx.last[2] = huff.current++; ++ if(huff.current > huff.length){ ++ ctx.last[0] = ctx.last[1] = ctx.last[2] = 1; ++ av_log(smk->avctx, AV_LOG_ERROR, "bigtree damaged\n"); ++ return -1; ++ } + + *recodes = huff.values; + +-- +1.7.5.4 + |