diff options
Diffstat (limited to 'src/lib/protocols/mqtt.c')
| -rw-r--r-- | src/lib/protocols/mqtt.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/lib/protocols/mqtt.c b/src/lib/protocols/mqtt.c index 024fad8a7..37c469066 100644 --- a/src/lib/protocols/mqtt.c +++ b/src/lib/protocols/mqtt.c @@ -144,7 +144,7 @@ void ndpi_search_mqtt (struct ndpi_detection_module_struct *ndpi_struct, NDPI_LOG(NDPI_PROTOCOL_MQTT, ndpi_struct, NDPI_LOG_DEBUG,"====>>>> Passed second stage of identification\n"); // third stage verification (payload) if (pt == CONNECT) { - if (memcmp(&(packet->payload[4]),"MQTT",4) == 0) { + if (packet->payload_packet_len >= 8 && memcmp(&(packet->payload[4]),"MQTT",4) == 0) { NDPI_LOG(NDPI_PROTOCOL_MQTT, ndpi_struct, NDPI_LOG_DEBUG, "Mqtt found CONNECT\n"); ndpi_int_mqtt_add_connection(ndpi_struct,flow); return; |