TippingPoint Zero Day Initiative
 

Novell eDirectory RelativeToFullDN Parsing Remote Code Execution Vulnerability

ZDI-12-146: August 22nd, 2012

CVSS Score

Affected Vendors

Affected Products

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 12472. 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. Authentication is not required to exploit this vulnerability.

The specific flaw exists within how the service handles a specially formatted LDAP request. When handling a particular set of commands, the server will copy a string described in the packet into a statically sized buffer without validating it's length. This leads to a stack-based overflow and as such can be exploited to achieve code execution under the context of the application.

Vendor Response

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

Disclosure Timeline

    2011-10-28 - Vulnerability reported to vendor
    2012-08-22 - Coordinated public release of advisory

Credit

This vulnerability was discovered by:
    Anonymous