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OcBootManagementLib: Fix potential OOB access

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This commit is contained in:
Download-Fritz 2019-06-11 21:41:34 +02:00
parent 10ff0faa63
commit d20dd35105
1 changed files with 3 additions and 1 deletions
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4
Library/OcBootManagementLib/BootEntryInfo.c
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@ -291,6 +291,7 @@ InternalSetBootEntryFlags (
{
EFI_DEVICE_PATH_PROTOCOL *DevicePathWalker;
CONST CHAR16 *Path;
UINTN Len;
BootEntry->IsFolder = FALSE;
BootEntry->IsRecovery = FALSE;
@ -306,7 +307,8 @@ InternalSetBootEntryFlags (
if ((DevicePathType (DevicePathWalker) == MEDIA_DEVICE_PATH)
&& (DevicePathSubType (DevicePathWalker) == MEDIA_FILEPATH_DP)) {
Path = ((FILEPATH_DEVICE_PATH *) DevicePathWalker)->PathName;
if (Path[StrLen (Path) - 1] == L'\\') {
Len = StrLen (Path);
if ((Len > 0) && (Path[Len - 1] == L'\\')) {
BootEntry->IsFolder = TRUE;
}
if (StrStr (Path, L"com.apple.recovery.boot") != NULL) {