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Code Issues Releases Activity

mov: Validate the ID number

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IDs in MOV start from 1.

Signed-off-by: Diego Biurrun <diego@biurrun.de>
This commit is contained in:
Luca Barbato
2016-07-26 11:42:11 +02:00
committed by Diego Biurrun
parent a115eb9e75
commit 2ac00d2d1d
1 changed files with 2 additions and 2 deletions
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4
libavformat/mov.c
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@@ -1949,8 +1949,8 @@ static int mov_read_stsc(MOVContext *c, AVIOContext *pb, MOVAtom atom)
sc->stsc_data[i].first = avio_rb32(pb); sc->stsc_data[i].first = avio_rb32(pb);
sc->stsc_data[i].count = avio_rb32(pb); sc->stsc_data[i].count = avio_rb32(pb);
sc->stsc_data[i].id = avio_rb32(pb); sc->stsc_data[i].id = avio_rb32(pb);
if (sc->stsc_data[i].id < 0 || sc->stsc_data[i].id > sc->stsd_count) { if (sc->stsc_data[i].id <= 0 || sc->stsc_data[i].id > sc->stsd_count) {
sc->stsc_data[i].id = 0; sc->stsc_data[i].id = 1;
if (c->fc->error_recognition & AV_EF_EXPLODE) { if (c->fc->error_recognition & AV_EF_EXPLODE) {
av_log(c->fc, AV_LOG_ERROR, "Invalid stsc index.\n"); av_log(c->fc, AV_LOG_ERROR, "Invalid stsc index.\n");
return AVERROR_INVALIDDATA; return AVERROR_INVALIDDATA;