From bbbc5fdbae79c72dbe157e02dfee4ef9f18014b5 Mon Sep 17 00:00:00 2001 From: Luca Deri Date: Fri, 22 May 2020 07:24:02 +0200 Subject: Added memory boundary checks --- src/lib/ndpi_main.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'src/lib/ndpi_main.c') diff --git a/src/lib/ndpi_main.c b/src/lib/ndpi_main.c index f1338ea74..f93f0bfd3 100644 --- a/src/lib/ndpi_main.c +++ b/src/lib/ndpi_main.c @@ -4858,7 +4858,8 @@ void ndpi_parse_packet_line_info(struct ndpi_detection_module_struct *ndpi_str, if(get_u_int16_t(packet->payload, a) == ntohs(0x0d0a)) { /* If end of line char sequence CR+NL "\r\n", process line */ - if(get_u_int16_t(packet->payload, a+2) == ntohs(0x0d0a)) { + if(((a + 3) <= packet->payload_packet_len) + && (get_u_int16_t(packet->payload, a+2) == ntohs(0x0d0a))) { /* \r\n\r\n */ int diff; /* No unsigned ! */ u_int32_t a1 = a + 4; -- cgit v1.2.3