Revision: 18436
http://sourceforge.net/p/edk2/code/18436
Author: luobozhang
Date: 2015-09-10 09:51:00 +0000 (Thu, 10 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.
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]>
Modified Paths:
--------------
trunk/edk2/NetworkPkg/UefiPxeBcDxe/PxeBcImpl.c
Modified: trunk/edk2/NetworkPkg/UefiPxeBcDxe/PxeBcImpl.c
===================================================================
--- trunk/edk2/NetworkPkg/UefiPxeBcDxe/PxeBcImpl.c 2015-09-10 09:46:59 UTC
(rev 18435)
+++ trunk/edk2/NetworkPkg/UefiPxeBcDxe/PxeBcImpl.c 2015-09-10 09:51:00 UTC
(rev 18436)
@@ -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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