TippingPoint Zero Day Initiative

(0day) IBM Lotus Domino LDAP Bind Request Remote Code Execution Vulnerability

ZDI-11-047: February 7th, 2011


CVSS Score

Affected Vendors

Affected Products

    Lotus Domino

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 10282. For further product information on the TippingPoint IPS:

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of IBM Lotus Domino. Authentication is not required to exploit this vulnerability.

The flaw exists within the nLDAP.exe component which listens by default on TCP port 389. When handling the an LDAP Bind Request packet the process blindly copies user supplied data into an undersized shared memory buffer. A remote attacker can exploit this vulnerability to execute arbitrary code under the context of the SYSTEM user.

Vendor Response

IBM states:


Disclosure Timeline

    2010-07-20 - Vulnerability reported to vendor
    2011-02-07 - Coordinated public release of advisory


This vulnerability was discovered by:
    Francis Provencher for Protek Researchh Lab's