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| author | Michael Niedermayer <michaelni@gmx.at> | 2012-03-02 21:36:42 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-03-02 21:36:42 +0100 |
| commit | e7b43e8e84e48fccf64cdc62430cb8b5c69e804c (patch) | |
| tree | a92f58e624d84334319d8b95f61af8a20f10bee9 /libavcodec/truemotion1.c | |
| parent | a3f5ee297a7cf9bf21646ec4858d614f36248ff7 (diff) | |
| download | ffmpeg-streaming-e7b43e8e84e48fccf64cdc62430cb8b5c69e804c.zip ffmpeg-streaming-e7b43e8e84e48fccf64cdc62430cb8b5c69e804c.tar.gz | |
truemotion1: Check input buffer size against header size.
Fixes overread.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/truemotion1.c')
| -rw-r--r-- | libavcodec/truemotion1.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/truemotion1.c b/libavcodec/truemotion1.c index ccebef5..767eced 100644 --- a/libavcodec/truemotion1.c +++ b/libavcodec/truemotion1.c @@ -314,7 +314,7 @@ static int truemotion1_decode_header(TrueMotion1Context *s) const uint8_t *sel_vector_table; header.header_size = ((s->buf[0] >> 5) | (s->buf[0] << 3)) & 0x7f; - if (s->buf[0] < 0x10) + if (s->buf[0] < 0x10 || header.header_size >= s->size) { av_log(s->avctx, AV_LOG_ERROR, "invalid header size (%d)\n", s->buf[0]); return -1; |
