Public Date:
1551082: CVE-2018-5730 krb5: DN container check bypass by supplying special crafted data

The MITRE CVE dictionary describes this issue as:

MIT krb5 1.6 or later allows an authenticated kadmin with permission to add principals to an LDAP Kerberos database to circumvent a DN containership check by supplying both a "linkdn" and "containerdn" database argument, or by supplying a DN string which is a left extension of a container DN string but is not hierarchically within the container DN.

Find out more about CVE-2018-5730 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

CVSS3 Base Score 3.8
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required High
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity Impact Low
Availability Impact None

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 7 (krb5) RHSA-2018:3071 2018-10-30

Affected Packages State

Platform Package State
Red Hat JBoss EWS 2 krb5 Will not fix
Red Hat JBoss EAP 6 krb5 Will not fix
Red Hat JBoss Core Services 1 krb5 Affected
Red Hat Enterprise Linux 8 krb5 Not affected
Red Hat Enterprise Linux 6 krb5 Will not fix
Red Hat Enterprise Linux 5 krb5 Will not fix
Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.
Last Modified

CVE description copyright © 2017, The MITRE Corporation