File xrdp-CVE-2022-23484.patch of Package xrdp.27289

From b9e130989d04534464b13f25524ff3a7914c3cf6 Mon Sep 17 00:00:00 2001
From: matt335672 <30179339+matt335672@users.noreply.github.com>
Date: Wed, 7 Dec 2022 10:03:24 +0000
Subject: [PATCH 8/8] CVE-2022-23484

Add check for RAIL window text size
---
 xrdp/xrdp_mm.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/xrdp/xrdp_mm.c b/xrdp/xrdp_mm.c
index 2c6999c6..a2754bdd 100644
--- a/xrdp/xrdp_mm.c
+++ b/xrdp/xrdp_mm.c
@@ -983,6 +983,10 @@ xrdp_mm_process_rail_update_window_text(struct xrdp_mm* self, struct stream* s)
 
     g_memset(&rwso, 0, sizeof(rwso));
     in_uint32_le(s, size); /* title size */
+    if (size < 0 || !s_check_rem(s, size))
+    {
+        return 1;
+    }
     rwso.title_info = g_new(char, size + 1);
     in_uint8a(s, rwso.title_info, size);
     rwso.title_info[size] = 0;
-- 
2.39.0