CVE-2020-25719

CVE Details

Release Date:	2022-02-18
Impact:	None	What is this?

Description

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.

See more information about CVE-2020-25719 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	7.2
Vector String:	CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Version:	3.0
Attack Vector:	Network
Attack Complexity:	Low
Privileges Required:	High
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	High
Integrity Impact:	High
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 7 (ipa)	ELSA-2021-5195	2021-12-17
Oracle Linux version 8 (bind-dyndb-ldap)	ELSA-2021-5142	2021-12-16
Oracle Linux version 8 (custodia)	ELSA-2021-5142	2021-12-16
Oracle Linux version 8 (ipa)	ELSA-2021-5142	2021-12-16
Oracle Linux version 8 (ipa-healthcheck)	ELSA-2021-5142	2021-12-16
Oracle Linux version 8 (opendnssec)	ELSA-2021-5142	2021-12-16
Oracle Linux version 8 (python-jwcrypto)	ELSA-2021-5142	2021-12-16
Oracle Linux version 8 (python-kdcproxy)	ELSA-2021-5142	2021-12-16
Oracle Linux version 8 (python-qrcode)	ELSA-2021-5142	2021-12-16
Oracle Linux version 8 (python-yubico)	ELSA-2021-5142	2021-12-16
Oracle Linux version 8 (pyusb)	ELSA-2021-5142	2021-12-16
Oracle Linux version 8 (slapi-nis)	ELSA-2021-5142	2021-12-16
Oracle Linux version 8 (softhsm)	ELSA-2021-5142	2021-12-16