Samba released security updates patching three issues CVE-2019-14902, CVE-2019-14907, and CVE-2019-19344.

The medium-rated CVE-2019-14902 fixes a problem where a newly delegated right, but more importantly the removal of a previously delegated right, would not be inherited on any domain controller other than the one where the change was made. This means if a user had been delegated the right to make alterations to a subtree, such as changing passwords, and that right was then rescinded, that move would not automatically be taken away on all domain controllers.

The patch fixes this issue, but Samba noted, “it is vital that a full-sync be done TO each Domain Controller to ensure each ACL (ntSecurityDescriptor) is re-calculated on the whole set of DCs.”

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