From f26096ee4cf730244b3db577259f84b0cd37e521 Mon Sep 17 00:00:00 2001 From: emanuele-f Date: Wed, 4 Dec 2019 15:20:49 +0100 Subject: Fix reversed offset check --- src/lib/protocols/tls.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src') diff --git a/src/lib/protocols/tls.c b/src/lib/protocols/tls.c index cd729fc3c..2f4959b81 100644 --- a/src/lib/protocols/tls.c +++ b/src/lib/protocols/tls.c @@ -309,7 +309,7 @@ int getTLScertificate(struct ndpi_detection_module_struct *ndpi_struct, offset += 2 + 1; - if(offset > packet->payload_packet_len) + if((offset + 1) < packet->payload_packet_len) /* +1 because we are goint to read 2 bytes */ extension_len = ntohs(*((u_int16_t*)&packet->payload[offset])); else extension_len = 0; -- cgit v1.2.3