Security Vulnerability: eDirectory LDAP Null Base DN Denial of Service

  • 7004721
  • 21-Oct-2009
  • 27-Jan-2014


Novell eDirectory 8.8 for All Platforms
Novell eDirectory 8.7.3 for All Platforms


A flaw exists in eDirectory's LDAP which can cause the eDirectory service to become unresponsive when processing a malformed search request with a NULL BaseDN.


This vulnerability is resolved in eDirectory 8.8.5 ftf1 and eDirectory ftf2.

To resolve this problem, apply eDirectory 8.8.5 ftf1 or newer for eDirectory 8.8.X and eDirectory ftf2 for eDirectory 8.7.3.X.  Patches are available at


Reported to Engineering
Security Alert

Additional Information

This vulnerability was reported by Zero Day Initiative (ZDI) estabilished by TippingPoint, a division of 3Com.

ZDI-CAN-513: Novell eDirectory LDAP Null Based DN Denial of Service