From 0a225729c70fb761f07c3cac08b8cc00a74de4c5 Mon Sep 17 00:00:00 2001
From: speidy <speidy@gmail.com>
Date: Mon, 10 Mar 2014 02:52:08 +0200
Subject: [PATCH] libxrdp: fastpath input, validate eventFlags

---
 libxrdp/xrdp_fastpath.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/libxrdp/xrdp_fastpath.c b/libxrdp/xrdp_fastpath.c
index 27877ef1..9ba171f0 100644
--- a/libxrdp/xrdp_fastpath.c
+++ b/libxrdp/xrdp_fastpath.c
@@ -169,6 +169,11 @@ xrdp_fastpath_process_EVENT_MOUSE(struct xrdp_fastpath *self, int eventFlags,
     int xPos;
     int yPos;
 
+    /* eventFlags MUST be zeroed out */
+    if (eventFlags != 0) {
+            return 1;
+    }
+
     if (!s_check_rem(s, 2 + 2 + 2))
     {
         return 1;
@@ -201,6 +206,11 @@ xrdp_fastpath_process_EVENT_MOUSEX(struct xrdp_fastpath *self,
     int xPos;
     int yPos;
 
+    /* eventFlags MUST be zeroed out */
+    if (eventFlags != 0) {
+            return 1;
+    }
+
     if (!s_check_rem(s, 2 + 2 + 2))
     {
         return 1;