From 369dc65c1a4af1176a5012ebb414d97e84b9f81d Mon Sep 17 00:00:00 2001 From: Philippe Antoine Date: Wed, 15 Apr 2020 15:45:32 +0200 Subject: Fix integer overflow in quic --- src/lib/protocols/quic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src') diff --git a/src/lib/protocols/quic.c b/src/lib/protocols/quic.c index be746550b..a7873685c 100644 --- a/src/lib/protocols/quic.c +++ b/src/lib/protocols/quic.c @@ -130,7 +130,7 @@ void ndpi_search_quic(struct ndpi_detection_module_struct *ndpi_struct, while((sni_offset < udp_len) && (packet->payload[sni_offset] == '-')) sni_offset++; - if((sni_offset+len) < udp_len) { + if(len > 0 && (sni_offset+len) < udp_len) { int max_len = sizeof(flow->host_server_name)-1, j = 0; ndpi_protocol_match_result ret_match; -- cgit v1.2.3