Blame SOURCES/Added-missing-length-check-in-urb_control_transfer.patch
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From 8c513f127549433c830575202d1551b0e9dd182d Mon Sep 17 00:00:00 2001
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From: akallabeth <akallabeth@posteo.net>
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Date: Thu, 13 Oct 2022 09:00:48 +0200
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Subject: [PATCH] Added missing length check in urb_control_transfer
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(cherry picked from commit ce838e2477cb8173ea5e98f35ad55ff41ea5117d)
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---
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channels/urbdrc/client/data_transfer.c | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/channels/urbdrc/client/data_transfer.c b/channels/urbdrc/client/data_transfer.c
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index 9a44e6e09..bb2784055 100644
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--- a/channels/urbdrc/client/data_transfer.c
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+++ b/channels/urbdrc/client/data_transfer.c
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@@ -673,7 +673,11 @@ static UINT urb_control_transfer(IUDEVICE* pdev, URBDRC_CHANNEL_CALLBACK* callba
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buffer = Stream_Pointer(out);
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if (transferDir == USBD_TRANSFER_DIRECTION_OUT)
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+ {
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+ if (!Stream_CheckAndLogRequiredLength(TAG, s, OutputBufferSize))
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+ return ERROR_INVALID_DATA;
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Stream_Copy(s, out, OutputBufferSize);
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+ }
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/** process TS_URB_CONTROL_TRANSFER */
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if (!pdev->control_transfer(pdev, RequestId, EndpointAddress, TransferFlags, bmRequestType,
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--
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2.37.1
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