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Fix a bug in SetupBrowserDxe driver when check current user's access setup permission. EFI_USER_INFO_ACCESS_CONTROL.Size may be equal to sizeof (EFI_USER_INFO_ACCESS_CONTROL) because of no extra data.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10254 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
rsun3 2010-03-16 06:22:05 +00:00
parent 852d891191
commit 3dd405becf
1 changed files with 1 additions and 1 deletions
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2
MdeModulePkg/Universal/SetupBrowserDxe/Expression.c
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@ -1528,7 +1528,7 @@ CheckUserPrivilege (
RemainSize = UserInfo->InfoSize - sizeof (EFI_USER_INFO);
AccessControl = (EFI_USER_INFO_ACCESS_CONTROL *)(UserInfo + 1);
while (RemainSize >= sizeof (EFI_USER_INFO_ACCESS_CONTROL)) {
if (RemainSize < AccessControl->Size || AccessControl->Size <= sizeof (EFI_USER_INFO_ACCESS_CONTROL)) {
if (RemainSize < AccessControl->Size || AccessControl->Size < sizeof (EFI_USER_INFO_ACCESS_CONTROL)) {
break;
}
if (AccessControl->Type == EFI_USER_INFO_ACCESS_SETUP) {