From 00b27633999ce2a439101ff1e00261cfc8e072ae Mon Sep 17 00:00:00 2001 From: Luca Deri Date: Tue, 4 Aug 2020 21:59:45 +0200 Subject: Added check on payload lenght during extra packet processing --- src/lib/protocols/telnet.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'src/lib/protocols/telnet.c') diff --git a/src/lib/protocols/telnet.c b/src/lib/protocols/telnet.c index 8e688eca0..bc3211f3d 100644 --- a/src/lib/protocols/telnet.c +++ b/src/lib/protocols/telnet.c @@ -42,9 +42,9 @@ static int search_telnet_again(struct ndpi_detection_module_struct *ndpi_struct, printf("==> %s() [%s][direction: %u]\n", __FUNCTION__, packet->payload, packet->packet_direction); #endif - if (packet->payload == NULL || packet->payload_packet_len == 0) - return(1); - if(packet->payload[0] == 0xFF) + if((packet->payload == NULL) + || (packet->payload_packet_len == 0) + || (packet->payload[0] == 0xFF)) return(1); if(flow->protos.telnet.username_detected) { -- cgit v1.2.3