CVE-2018-5730 Information

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 Vector

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N

Reference

http://www.securitytracker.com/id/1042071 https://access.redhat.com/errata/RHBA-2019:0327 https://access.redhat.com/errata/RHSA-2018:3071 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=891869 https://bugzilla.redhat.com/show_bug.cgi?id=1551082 https://github.com/krb5/krb5/commit/e1caf6fb74981da62039846931ebdffed71309d1 https://lists.debian.org/debian-lts-announce/2019/01/msg00020.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GK5T6JPMBHBPKS7HNGHYUUF4KKRMNSNU/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OIFUL3CPM4S5TOXTTOCQ3CUZN6XCXUTR/

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

3.8