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Category:   Application (Directory)  >   OpenLDAP Vendors:   OpenLDAP.org
OpenLDAP back-ndb Lets Remote Users Authenticate Without a Valid Password
SecurityTracker Alert ID:  1025190
SecurityTracker URL:  http://securitytracker.com/id/1025190
CVE Reference:   CVE-2011-1025   (Links to External Site)
Date:  Mar 10 2011
Impact:   Host/resource access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2.4.12 - 2.2.24
Description:   A vulnerability was reported in OpenLDAP. A remote user can authenticate without a valid password.

A remote user with knowledge of the target distinguished name can provide an arbitrary password to successfully authenticate on systems using the NDB back-end.

Impact:   A remote user can authenticate without a valid password.
Solution:   The vendor has issued a fix (2.2.24).

The source code fix is available at:

http://www.openldap.org/devel/cvsweb.cgi/servers/slapd/back-ndb/bind.cpp.diff?r1=1.5&r2=1.8

Vendor URL:  www.openldap.org/its/index.cgi/Software Bugs?id=6661 (Links to External Site)
Cause:   Authentication error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Mar 11 2011 (Red Hat Issues Fix) OpenLDAP back-ndb Lets Remote Users Authenticate Without a Valid Password
Red Hat has issued a fix for Red Hat Enterprise Linux 6.



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