A flaw was found in the way Samba, as an Active Directory Domain Controller, implemented Kerberos name-based authentication. The Samba AD DC, could become confused about the user a ticket represents if it did not strictly require a Kerberos PAC and always use the SIDs found within. The result could include total domain compromise.
Source: MITRE
Published: 2022-02-18
Updated: 2022-02-28
Type: CWE-287
Base Score: 9
Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C
Impact Score: 10
Exploitability Score: 8
Severity: HIGH
Base Score: 7.2
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 1.2
Severity: HIGH