From a965060d815b138795774d5b4d949421950ec716 Mon Sep 17 00:00:00 2001
From: terrafrost <terrafrost@gmail.com>
Date: Wed, 4 May 2022 01:18:33 -0500
Subject: [PATCH] SSH2: make login method return false under rare situation

---
 phpseclib/Net/SSH2.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/phpseclib/Net/SSH2.php b/phpseclib/Net/SSH2.php
index 6c71f3ac..1658c553 100644
--- a/phpseclib/Net/SSH2.php
+++ b/phpseclib/Net/SSH2.php
@@ -2468,7 +2468,9 @@ class SSH2
         $this->send_binary_packet($packet, $logged);
 
         $response = $this->get_binary_packet();
-
+        if ($response === false) {
+            return false;
+        }
         list($type) = Strings::unpackSSH2('C', $response);
         switch ($type) {
             case NET_SSH2_MSG_USERAUTH_PASSWD_CHANGEREQ: // in theory, the password can be changed