TippingPoint Zero Day Initiative

Novell eDirectory 8.8 NDS Server Buffer Overflow Vulnerability

ZDI-06-016: June 13th, 2006


Affected Vendors

Affected Products

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 4188. For further product information on the TippingPoint IPS:

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Novell eDirectory. Exploitation does not require authentication.

The specific flaw exists within the iMonitor NDS Server, which by default exposes an HTTP interface on TCP port 8028 and an HTTPS interface on TCP port 8030. During the parsing of long URIs to the 'nds' path a trivially exploitable stack-based buffer overflow occurs.

Vendor Response

Novell has issued an update to correct this vulnerability. More details can be found at:

Disclosure Timeline

    2006-03-20 - Vulnerability reported to vendor
    2006-06-13 - Coordinated public release of advisory


This vulnerability was discovered by: