CVE-2018-5730
krb5: DN container check bypass by supplying special crafted data
Severity
LowRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · March 1, 2018
Updated · November 2, 2026
Description
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.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 3.8CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
CWE-90 · Improper Neutralization of Special Elements used in an LDAP Query