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| author | Michael Niedermayer <michael@niedermayer.cc> | 2021-03-03 10:49:04 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-09-11 21:23:49 +0200 |
| commit | ae9919bb6c0b45973aba012f86ba42486a7e25bb (patch) | |
| tree | 0d4a2a46c1d3e301c2edd31aa88a637b31ac0720 | |
| parent | a072c4a1789941b5968e264f33099b6f8a1d18cb (diff) | |
| download | ffmpeg-ae9919bb6c0b45973aba012f86ba42486a7e25bb.tar.gz | |
avformat/aiffdec: Check that SSND is at least 8 bytes
Fixes: Infinite loop
Fixes: 30874/clusterfuzz-testcase-minimized-ffmpeg_dem_AIFF_fuzzer-5933710488764416
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 460d3dc41f57a6dcefbd72db6e2e368fee05340b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/aiffdec.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/aiffdec.c b/libavformat/aiffdec.c index ceb7952a9c..7c88327e9c 100644 --- a/libavformat/aiffdec.c +++ b/libavformat/aiffdec.c @@ -285,6 +285,8 @@ static int aiff_read_header(AVFormatContext *s) get_meta(s, "comment" , size); break; case MKTAG('S', 'S', 'N', 'D'): /* Sampled sound chunk */ + if (size < 8) + return AVERROR_INVALIDDATA; aiff->data_end = avio_tell(pb) + size; offset = avio_rb32(pb); /* Offset of sound data */ avio_rb32(pb); /* BlockSize... don't care */ |