Samba server configured as an Active Directory domain controller can arbitrarily rewrite their Service Principal Name (SPN) (CVE-2022-0336)
Users of a Samba server configured as an Active Directory domain controller can arbitrarily rewrite their Service Principal Name (SPN)
Summary
This vulnerability applies to functionality when the system is acting as an Active Directory domain controller. No Buffalo NAS products use this functionality, and so no Buffalo sytems are affected by this vulnerability.
| Vulnerability ID | Vulnerability Overview |
|---|---|
| CVE-2022-0336 | The Samba AD DC includes checks when adding service principals names (SPNs) to an account to ensure that SPNs do not alias with those already in the database. Some of these checks are able to be bypassed if an account modification re-adds an SPN that was previously present on that account, such as one added when a computer is joined to a domain. An attacker who has the ability to write to an account can exploit this to perform a denial-of-service attack by adding an SPN that matches an existing service. Additionally, an attacker who can intercept traffic can impersonate existing services, resulting in a loss of confidentiality and integrity. |
Affected Supported TeraStations
None
| Date | Description |
| 3/16/2022 | Initial release |