From 63eefdaa3f3dc5543786bb9e119f01f34b8b7c2a Mon Sep 17 00:00:00 2001
From: dwelch-r7 <dean_welch@rapid7.com>
Date: Mon, 23 Aug 2021 13:39:17 +0100
Subject: [PATCH] Return an error if channel id is not valid

---
 python/meterpreter/ext_server_stdapi.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/python/meterpreter/ext_server_stdapi.py b/python/meterpreter/ext_server_stdapi.py
index 534b49d8..9e7a34bb 100644
--- a/python/meterpreter/ext_server_stdapi.py
+++ b/python/meterpreter/ext_server_stdapi.py
@@ -2564,4 +2564,6 @@ def stdapi_set_term_size(request, response):
         proc_h = meterpreter.channels[channel_id].proc_h
         winsize = struct.pack("HHHH", rows, columns, 0, 0)
         fcntl.ioctl(proc_h.stdin, termios.TIOCSWINSZ, winsize)
+    else:
+        return ERROR_FAILURE, response
     return ERROR_SUCCESS, response