LDAPv3 must block man-in-the-middle attacks.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-25563	OSX00124 M6	SV-38578r1_rule	ECCT-1 ECCT-2	Medium

Description
To prevent LDAPv3 man-in-the middle attacks the system must be properly configured.

STIG	Date
MAC OSX 10.6 Workstation Security Technical Implementation Guide Draft	2013-01-10

Details

Check Text ( C-37769r1_chk )
Open Finder. Click the Hard Drive icon. Double Click System. Double Click Library. Double Click CoreServices. Double Click Directory Utility. Click the Show Advanced Options button. Click Services tab. Click the Lock and enter the password to unlock the options (if needed). Click the LDAPv3 service. Click the Pencil icon. Highlight the Server Name/Configuration Name. Click Edit. Click on Security tab and verify the "Block man-in-the-middle attacks (requires Kerberos)" is checked. If the value is not checked, this is a finding.

Check Text ( C-37769r1_chk )

Open Finder.
Click the Hard Drive icon.
Double Click System.
Double Click Library.
Double Click CoreServices.
Double Click Directory Utility.
Click the Show Advanced Options button.
Click Services tab.
Click the Lock and enter the password to unlock the options (if needed).
Click the LDAPv3 service.
Click the Pencil icon.
Highlight the Server Name/Configuration Name.
Click Edit.
Click on Security tab and verify the "Block man-in-the-middle attacks (requires Kerberos)" is checked. If the value is not checked, this is a finding.

Fix Text (F-33015r1_fix)
Open Finder. Click the Hard Drive icon. Double Click System. Double Click Library. Double Click CoreServices. Double Click Directory Utility. Click the Show Advanced Options button. Click Services tab. Click the Lock and enter the password to unlock the options (if needed). Click the LDAPv3 service. Click the Pencil icon. Highlight the Server Name/Configuration Name. Click Edit. Click the Security tab and select "Block man-in-the-middle attacks (requires Kerberos)".

Fix Text (F-33015r1_fix)

Open Finder.
Click the Hard Drive icon.
Double Click System.
Double Click Library.
Double Click CoreServices.
Double Click Directory Utility.
Click the Show Advanced Options button.
Click Services tab.
Click the Lock and enter the password to unlock the options (if needed).
Click the LDAPv3 service.
Click the Pencil icon.
Highlight the Server Name/Configuration Name.
Click Edit.
Click the Security tab and select "Block man-in-the-middle attacks (requires Kerberos)".