diff options
| -rw-r--r-- | epan/dissectors/packet-knet.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/epan/dissectors/packet-knet.c b/epan/dissectors/packet-knet.c index 05a9d787e9..57842998bf 100644 --- a/epan/dissectors/packet-knet.c +++ b/epan/dissectors/packet-knet.c @@ -546,6 +546,14 @@ dissect_knet_tcp_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* static int dissect_knet_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data) { + //Sanity check the length field + if (tvb_reported_length(tvb) < 2) + return 0; + + int offset = 0; + if (dissect_content_length_vle(tvb, &offset, NULL) == 0) + return 0; + col_clear(pinfo->cinfo, COL_INFO); col_set_str(pinfo->cinfo, COL_PROTOCOL, "KNET"); |