Revision: 18441
http://sourceforge.net/p/edk2/code/18441
Author: hwu1225
Date: 2015-09-11 00:52:51 +0000 (Fri, 11 Sep 2015)
Log Message:
-----------
NetworkPkg: PXE Driver's LoadFile protocol should check FilePath
PXE driver's LoadFile protocol should check the input parameter
FilePath to see whether it's a supported device path.If not,
it should return invalid parameter, do not continue PXE boot.
(Sync patch r18436 from main trunk.)
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Zhang Lubo <[email protected]>
Reviewed-by: Fu Siyuan <[email protected]>
Reviewed-by: Ye Ting <[email protected]>
Revision Links:
--------------
http://sourceforge.net/p/edk2/code/18436
Modified Paths:
--------------
branches/UDK2015/NetworkPkg/UefiPxeBcDxe/PxeBcImpl.c
Modified: branches/UDK2015/NetworkPkg/UefiPxeBcDxe/PxeBcImpl.c
===================================================================
--- branches/UDK2015/NetworkPkg/UefiPxeBcDxe/PxeBcImpl.c 2015-09-11
00:52:31 UTC (rev 18440)
+++ branches/UDK2015/NetworkPkg/UefiPxeBcDxe/PxeBcImpl.c 2015-09-11
00:52:51 UTC (rev 18441)
@@ -2328,6 +2328,10 @@
EFI_STATUS Status;
BOOLEAN MediaPresent;
+ if (FilePath == NULL || !IsDevicePathEnd (FilePath)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
VirtualNic = PXEBC_VIRTUAL_NIC_FROM_LOADFILE (This);
Private = VirtualNic->Private;
PxeBc = &Private->PxeBc;
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