From dddb57b242ac12f9549de1f39631ca06ac9bec9d Mon Sep 17 00:00:00 2001
From: Olle Johansson <oej@edvina.net>
Date: Sun, 18 Mar 2007 20:39:37 +0000
Subject: [PATCH] Merged revisions 59037 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.4
........
r59037 | oej | 2007-03-18 21:37:06 +0100 (Sun, 18 Mar 2007) | 3 lines
Issue #9313, Asterisk crash on SIP return code 0 (reported by qwerty1979) (ASA-2007-011)
........
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@59038 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
channels/chan_sip.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 3f45550543..bb67890a03 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -15295,6 +15295,10 @@ static int handle_request(struct sip_pvt *p, struct sip_request *req, struct soc
if (sscanf(e, "%d %n", &respid, &len) != 1) {
ast_log(LOG_WARNING, "Invalid response: '%s'\n", e);
} else {
+ if (respid <= 0) {
+ ast_log(LOG_WARNING, "Invalid SIP response code: '%d'\n", respid);
+ return 0;
+ }
/* More SIP ridiculousness, we have to ignore bogus contacts in 100 etc responses */
if ((respid == 200) || ((respid >= 300) && (respid <= 399)))
extract_uri(p, req);
--
GitLab