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rtmp: Prevent reading outside of an allocate buffer when receiving server bandwidth packets 

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Samuel Pitoiset 2012-07-26 14:05:18 +02:00 committed by Martin Storsjö
parent 44dc9c6af0
commit 2357f60687
1 changed files with 7 additions and 0 deletions
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7
libavformat/rtmpproto.c
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@ -950,6 +950,13 @@ static int handle_server_bw(URLContext *s, RTMPPacket *pkt)
{
RTMPContext *rt = s->priv_data;
if (pkt->data_size < 4) {
av_log(s, AV_LOG_ERROR,
"Too short server bandwidth report packet (%d)\n",
pkt->data_size);
return AVERROR_INVALIDDATA;
}
rt->server_bw = AV_RB32(pkt->data);
if (rt->server_bw <= 0) {
av_log(s, AV_LOG_ERROR, "Incorrect server bandwidth %d\n",