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freerdp.26971
freerdp-CVE-2022-39283.patch
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File freerdp-CVE-2022-39283.patch of Package freerdp.26971
From 5be4866c96953169020294be186e5a5df6d822ef 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. --- 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..bbd36774a 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_GetRemainingLength(s) < data.cbSample) + return ERROR_INVALID_DATA; data.pSample = Stream_Pointer(s); /* -- 2.35.3
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