RE: LDAP directory

["BUGTRAQ" <ivan.buetler () csnc ch>]

Hi,

I my own opinion, pen-testing an ldap directory is mostly similar to audit a
file-system. You have objects (classes) containing attributes and you have
some objects you want to protect and others you will allow everyone to
access. ldap security will be secure, if you set proper access permissions.
If you just install ldap in it's default configuration, you might have some
troubles.

A major difference between the file-system issue and ldap is the distributed
topic. You have replications and distributed responsibilities. But at the
end, you need to do an administrative "BIND" by "cn=Manager" in order to
change the ldap behaviour as you would need "Domain Admin Rights" to change
the Windows file permissions.

Potential threats are:

- LDAP without SSL (for administration)
- Anonymous BIND contains write permissions
- Hacker tries to replicate by setting up his own LDAP server which he
controls
- Access to confidential data by an anonymous bind
- Access to confidential data by an authenticated bind but bad file
permissions
- Access to the "MANAGER" locally (without LDAP) by console application

I played around with "LDAPMiner", which does some basic LDAP tests for you.
But at the end, I am using simple tools like "GQ" or openldap utilities
"ldapsearch, ldapadd, etc" to do this tests.

Regards

Ivan

-----Original Message-----
From: Peter Raven [mailto:peterraven () lycos com]
Sent: Wednesday, August 01, 2001 3:02 PM
To: pen-test () securityfocus com
Subject: LDAP directory


Hi there,

does anyone have good starting points for pen-testing an LDAP directory
server? I'm looking for a threat analyses, security checklists, tools and
personal experiences especially on the LDAP service; not on the operating
system.

Thanks and greetings
Peter


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