[Bug 1817955] Re: Getting new "DN is out of the realm subtree" error on adding principal

[lincvz]

Even explicitly added subtree doesn't work:

# kdb5_ldap_util -D "cn=admin,dc=example,dc=com" -H
ldap://ldapserver.example.com modify -r TEST.EXAMPLE.COM -subtrees
'dc=example,dc=com:ou=People,dc=example,dc=com"

# kdb5_ldap_util -D "cn=admin,dc=example,dc=com" -H ldap://ldapserver.example.com view -r TEST.EXAMPLE.COM
               Realm Name: TEST.EXAMPLE.COM
                  Subtree: dc=example,dc=com
                  Subtree: ou=People,dc=example,dc=com
              SearchScope: SUB

Still get the error "DN is out of the realm subtree" when adding a
principal in "ou=People,dc=example,dc=com"

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Title:
  Getting new "DN is out of the realm subtree" error on adding principal

Status in krb5 package in Ubuntu:
  New

Bug description:
  Recently applied security update to 14.04.5 LTS kerberos (1.12+dfsg-
  2ubuntu5.4), and started getting errors when adding new principals to
  LDAP.

  Obfuscated example:

  kadmin.local -q "ank -x
  dn=\"uid=testuser,ou=People,dc=example,dc=com\" -pw \"dummypass\"
  testuser"

  now gives:
  Authenticating as principal root/admin at TEST.EXAMPLE.COM with password.
  NOTICE: no policy specified for testuser at TEST.EXAMPLE.COM; assigning "default"
  add_principal: DN is out of the realm subtree while creating "testuser at TEST.EXAMPLE.COM".

  
  This worked up through 1.12+dfsg-2ubuntu5.3, and I think it now fails due to changes in src/plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c in response to CVE-2018-5729 or CVE-2018-5730.

  I'm going to attempt a downgrade to 1.12+dfsg-2ubuntu5.3 to check.

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