diff options
| author | Zhang Lubo <lubo.zhang@intel.com> | 2015-09-10 09:51:00 +0000 |
|---|---|---|
| committer | luobozhang <luobozhang@Edk2> | 2015-09-10 09:51:00 +0000 |
| commit | 94d449f5df792a485da0aae624968e2ef381aa8a (patch) | |
| tree | a81dbf8ccfc2bb4513b94f6e6535c70e272c8ef9 /NetworkPkg/UefiPxeBcDxe | |
| parent | 6758032da90bda58cb49e1823637bc19a1f4cc32 (diff) | |
| download | edk2-platforms-94d449f5df792a485da0aae624968e2ef381aa8a.tar.xz | |
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 <lubo.zhang@intel.com>
Reviewed-by: Fu Siyuan <siyuan.fu@intel.com>
Reviewed-by: Ye Ting <ting.ye@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18436 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'NetworkPkg/UefiPxeBcDxe')
| -rw-r--r-- | NetworkPkg/UefiPxeBcDxe/PxeBcImpl.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/NetworkPkg/UefiPxeBcDxe/PxeBcImpl.c b/NetworkPkg/UefiPxeBcDxe/PxeBcImpl.c index cdcf2f0d3e..367a1356ab 100644 --- a/NetworkPkg/UefiPxeBcDxe/PxeBcImpl.c +++ b/NetworkPkg/UefiPxeBcDxe/PxeBcImpl.c @@ -2328,6 +2328,10 @@ EfiPxeLoadFile ( 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;
|