From: David Vossel <dvossel@digium.com>
Date: Tue, 15 Sep 2009 19:22:37 +0000 (+0000)
Subject: upward bound checking for port string to int conversion
X-Git-Tag: 11.0.0-beta1~4163
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c373c8807ec6269da78087e47846581ee00864a4;p=thirdparty%2Fasterisk.git

upward bound checking for port string to int conversion


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@218687 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---

diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index d9175a8087..6c635252ee 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -3211,7 +3211,7 @@ static int proxy_update(struct sip_proxy *proxy)
 static int port_str2int(const char *pt, unsigned int standard)
 {
 	int port = standard;
-	if (ast_strlen_zero(pt) || (sscanf(pt, "%30d", &port) != 1) || (port < 0)) {
+	if (ast_strlen_zero(pt) || (sscanf(pt, "%30d", &port) != 1) || (port < 1) || (port > 65535)) {
 		port = standard;
 	}