From 98f2d3a73c0d4b09b1204e4cfc868ec258a3e478 Mon Sep 17 00:00:00 2001 From: Philippe Antoine Date: Wed, 15 Apr 2020 15:56:58 +0200 Subject: Adds bound check for IRC --- src/lib/protocols/irc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src/lib/protocols/irc.c') diff --git a/src/lib/protocols/irc.c b/src/lib/protocols/irc.c index ed86aed42..2ebb929fa 100644 --- a/src/lib/protocols/irc.c +++ b/src/lib/protocols/irc.c @@ -677,7 +677,7 @@ void ndpi_search_irc_tcp(struct ndpi_detection_module_struct *ndpi_struct, struc if (memcmp(&packet->line[i].ptr[j], "SEND ", 5) == 0 || (memcmp(&packet->line[i].ptr[j], "CHAT", 4) == 0) || (memcmp(&packet->line[i].ptr[j], "chat", 4) == 0) - || (memcmp(&packet->line[i].ptr[j], "sslchat", 7) == 0) + || (j+7 < packet->line[i].len && memcmp(&packet->line[i].ptr[j], "sslchat", 7) == 0) || (memcmp(&packet->line[i].ptr[j], "TSEND", 5) == 0)) { NDPI_LOG_DBG2(ndpi_struct, "found CHAT,chat,sslchat,TSEND."); j += 4; -- cgit v1.2.3