From bf28ea249de57acc6dfadbd778afef2093c1c283 Mon Sep 17 00:00:00 2001
From: akallabeth <akallabeth@posteo.net>
Date: Thu, 6 Oct 2022 09:15:40 +0200
Subject: [PATCH] Fixed missing length check in video channel
Data received in video redirection channel was not checked for
proper length.
(cherry picked from commit eeffd1050e9284d1464b58e049b2b4d88726632b)
---
channels/video/client/video_main.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/channels/video/client/video_main.c b/channels/video/client/video_main.c
index a21e7cdf2..a8031fc86 100644
--- a/channels/video/client/video_main.c
+++ b/channels/video/client/video_main.c
@@ -930,6 +930,8 @@ static UINT video_data_on_data_received(IWTSVirtualChannelCallback* pChannelCall
Stream_Read_UINT16(s, data.PacketsInSample);
Stream_Read_UINT32(s, data.SampleNumber);
Stream_Read_UINT32(s, data.cbSample);
+ if (!Stream_CheckAndLogRequiredLength(TAG, s, data.cbSample))
+ return ERROR_INVALID_DATA;
data.pSample = Stream_Pointer(s);
/*
--
2.37.1