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[NTOS:SE]

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- Fail in SeAccessCheck if the resulting access would be zero.
CORE-10587 #resolve

svn path=/trunk/; revision=70151
This commit is contained in:
Thomas Faber 2015-11-27 12:06:59 +00:00
parent 2c5b452770
commit b73ac49f8c
1 changed files with 11 additions and 2 deletions
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13
reactos/ntoskrnl/se/accesschk.c
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@ -425,8 +425,17 @@ SeAccessCheck(IN PSECURITY_DESCRIPTOR SecurityDescriptor,
if (DesiredAccess == 0)
{
*GrantedAccess = PreviouslyGrantedAccess;
*AccessStatus = STATUS_SUCCESS;
ret = TRUE;
if (PreviouslyGrantedAccess == 0)
{
DPRINT1("Request for zero access to an object. Denying.\n");
*AccessStatus = STATUS_ACCESS_DENIED;
ret = FALSE;
}
else
{
*AccessStatus = STATUS_SUCCESS;
ret = TRUE;
}
}
else
{