Vulnerability Note VU#372878

Tamarack MMSd components fail to properly handle malformed packets

Overview

Tamarack MMSd components do not properly handle malformed RFC 1006 packets. This vulnerability may allow a remote, unauthenticated attacker to cause a denial of service condition.

I. Description

ISO Transport Service over TCP (TPKT, RFC 1006)

RFC 1006 specifies how to run the OSI transport protocol on top of TCP/IP. In the layered protocol model, RFC 1006 is situated between the TCP and OSI transport layers.

Tamarack MMSd

Tamarack MMSd is an implementation of the Manufacturing Message Specification (MMS, ISO 9506) protocol for small field devices.

The Problem

Tamarack MMSd components fail to properly handle malformed packets at the RFC 1006 layer. A remote, unauthenticated attacker may be able to exploit this vulnerability by sending a specially crafted packet to a server running a vulnerable version of Tamarack MMSd.

II. Impact

A remote, unauthenticated attacker may be able to cause a denial of service condition on the device running Tamarack MMSd.

III. Solution

Upgrade

This problem has been addressed in Tamarack MMSd version 7.992.

Systems Affected

Vendor	Status	Date Updated
Tamarak Consulting	Vulnerable	27-Jul-2006

References

http://www.tamarack.com/overview.html

Credit

This vulnerability was reported by Matt Franz of DigitalBond.

This document was written by Jeff Gennari.

Other Information

Date Public	07/27/2006
Date First Published	07/27/2006 02:19:39 PM
Date Last Updated	02/21/2007
CERT Advisory
CVE Name	CVE-2006-1178
US-CERT Technical Alerts
Metric	2.52
Document Revision	49

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Produced 2006 by US-CERT, a government organization
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