rmdemux: check PROP chunk tag

diff --git a/nihav-realmedia/src/demuxers/realmedia.rs b/nihav-realmedia/src/demuxers/realmedia.rs
index 297826054aa12a649c15167b3132e398a8e80a70..15738b5a420bb033653ab99a0800b53269aaca7e 100644 (file)
--- a/nihav-realmedia/src/demuxers/realmedia.rs
+++ b/nihav-realmedia/src/demuxers/realmedia.rs
@@ -1009,6 +1009,7 @@ impl<'a> RealMediaDemuxer<'a> {
         }
 
         let (id, size, ver) = read_chunk(self.src)?;
+        validate!(id == mktag!(b"PROP"));
         let prop_size = if ver == 0 { RMVB_PROP_SIZE } else { RMVB_PROP_SIZE + 4 };
         validate!(size >= prop_size);
         validate!((ver == 0) || (ver == 2));