From 4ada25398ebfadb5ffbe7b08644e07bb011ea36d Mon Sep 17 00:00:00 2001
From: kulikov-a <36099472+kulikov-a@users.noreply.github.com>
Date: Tue, 31 Jan 2023 19:55:37 +0300
Subject: [PATCH] MVC/Firewall/Util - prevent possible infinite loop (#6288)

Prevent possible infinite loop in getPortAlias if alias references itself somehow
---
 src/opnsense/mvc/app/library/OPNsense/Firewall/Util.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/opnsense/mvc/app/library/OPNsense/Firewall/Util.php b/src/opnsense/mvc/app/library/OPNsense/Firewall/Util.php
index a1ac6a69d..819e52e9c 100644
--- a/src/opnsense/mvc/app/library/OPNsense/Firewall/Util.php
+++ b/src/opnsense/mvc/app/library/OPNsense/Firewall/Util.php
@@ -208,6 +208,7 @@ class Util
         $result = array();
         foreach (self::$aliasObject->aliasIterator() as $node) {
             if (!empty($name) && (string)$node['name'] == $name && $node['type'] == 'port') {
+                $aliases[] = $name;
                 foreach ($node['content'] as $address) {
                     if (Util::isAlias($address)) {
                         if (!in_array($address, $aliases)) {