CVE-2023-0225

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-04-03 · updated 2026-06-17
Weakness: CWE-732

Description

A flaw was found in Samba. An incomplete access check on dnsHostName allows authenticated but otherwise unprivileged users to delete this attribute from any object in the directory.

Affected products

Samba: from 4.17.0 before 4.17.7; 4.18.0, 4.18.0-rc1, 4.18.0-rc2, 4.18.0-rc3, 4.18.0-rc4 — fixed in 4.17.7

How to fix

Upgrade to a fixed version: Samba 4.17.7. Check the vendor advisory for mitigations.

References

https://security.gentoo.org/glsa/202309-06
https://security.netapp.com/advisory/ntap-20230406-0007/
https://www.samba.org/samba/security/CVE-2023-0225.html
https://security.gentoo.org/glsa/202309-06
https://security.netapp.com/advisory/ntap-20230406-0007/
https://www.samba.org/samba/security/CVE-2023-0225.html

Get alerted when CVE-2023-0225 or the next vulnerability affects your stack