From c373c8807ec6269da78087e47846581ee00864a4 Mon Sep 17 00:00:00 2001
From: David Vossel <dvossel@digium.com>
Date: Tue, 15 Sep 2009 19:22:37 +0000
Subject: [PATCH] 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
---
channels/chan_sip.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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;
}
--
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