From: Anthony Minessale <anthm@freeswitch.org>
Date: Thu, 24 Aug 2017 16:17:11 +0000 (-0500)
Subject: FS-10609: [mod_verto] Invalid pointer in verto channel #resolve
X-Git-Tag: v1.8.0~289
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=eed17a6079956a3ef404a57a5144a9a96394f57a;p=thirdparty%2Ffreeswitch.git

FS-10609: [mod_verto] Invalid pointer in verto channel #resolve
---

diff --git a/src/mod/endpoints/mod_verto/mod_verto.c b/src/mod/endpoints/mod_verto/mod_verto.c
index f7c94afd8b..299f1afe11 100644
--- a/src/mod/endpoints/mod_verto/mod_verto.c
+++ b/src/mod/endpoints/mod_verto/mod_verto.c
@@ -3383,7 +3383,14 @@ static switch_bool_t verto__info_func(const char *method, cJSON *params, jsock_t
 
 			if ((dtmf = cJSON_GetObjectCstr(params, "dtmf"))) {
 				verto_pvt_t *tech_pvt = switch_core_session_get_private_class(session, SWITCH_PVT_SECONDARY);
-				char *send = switch_mprintf("~%s", dtmf);
+				char *send;
+
+				if (!tech_pvt) {
+					cJSON_AddItemToObject(*response, "message", cJSON_CreateString("Invalid channel"));
+					err = 1; goto cleanup;
+				}
+
+				send = switch_mprintf("~%s", dtmf);
 
 				if (switch_channel_test_flag(tech_pvt->channel, CF_PROXY_MODE)) {
 					switch_core_session_t *other_session = NULL;