Revision: 14165
http://edk2.svn.sourceforge.net/edk2/?rev=14165&view=rev
Author: sfu5
Date: 2013-03-06 01:42:04 +0000 (Wed, 06 Mar 2013)
Log Message:
-----------
Fix a bug that IsSignatureFoundInDatabase() incorrectly computes CertCount.
Signed-off-by: Fu Siyuan <[email protected]>
Reviewed-by: Ye Ting <[email protected]>
Reviewed-by: Dong Guo <[email protected]>
Modified Paths:
--------------
trunk/edk2/SecurityPkg/Library/DxeImageVerificationLib/DxeImageVerificationLib.c
Modified:
trunk/edk2/SecurityPkg/Library/DxeImageVerificationLib/DxeImageVerificationLib.c
===================================================================
---
trunk/edk2/SecurityPkg/Library/DxeImageVerificationLib/DxeImageVerificationLib.c
2013-03-06 00:01:49 UTC (rev 14164)
+++
trunk/edk2/SecurityPkg/Library/DxeImageVerificationLib/DxeImageVerificationLib.c
2013-03-06 01:42:04 UTC (rev 14165)
@@ -837,7 +837,7 @@
//
CertList = (EFI_SIGNATURE_LIST *) Data;
while ((DataSize > 0) && (DataSize >= CertList->SignatureListSize)) {
- CertCount = (CertList->SignatureListSize - CertList->SignatureHeaderSize)
/ CertList->SignatureSize;
+ CertCount = (CertList->SignatureListSize - sizeof (EFI_SIGNATURE_LIST) -
CertList->SignatureHeaderSize) / CertList->SignatureSize;
Cert = (EFI_SIGNATURE_DATA *) ((UINT8 *) CertList + sizeof
(EFI_SIGNATURE_LIST) + CertList->SignatureHeaderSize);
if ((CertList->SignatureSize == sizeof(EFI_SIGNATURE_DATA) - 1 +
SignatureSize) && (CompareGuid(&CertList->SignatureType, CertType))) {
for (Index = 0; Index < CertCount; Index++) {
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