From bf28ea249de57acc6dfadbd778afef2093c1c283 Mon Sep 17 00:00:00 2001 From: akallabeth 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