Improper Authentication Affecting ipa-common package, versions <0:4.6.8-5.el7_9.10


Severity

Recommended
medium

Based on CentOS security rating.

Threat Intelligence

EPSS
0.12% (49th percentile)

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  • Snyk IDSNYK-CENTOS7-IPACOMMON-2008991
  • published11 Nov 2021
  • disclosed9 Nov 2021

Introduced: 9 Nov 2021

CVE-2020-25719  (opens in a new tab)
CWE-287  (opens in a new tab)

How to fix?

Upgrade Centos:7 ipa-common to version 0:4.6.8-5.el7_9.10 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ipa-common package and not the ipa-common package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

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.

CVSS Scores

version 3.1