Vulnerability Note VU#257164

Microsoft DHCP Client service contains a buffer overflow

Overview

Microsoft DHCP Client service contains a buffer overflow. This vulnerability may allow a remote attacker to execute arbitrary code on a vulnerable system.

I. Description

Dynamic Host Configuration Protocol (DHCP)

As described in RFC 2131, "The Dynamic Host Configuration Protocol (DHCP) provides a framework for passing configuration information to hosts on a TCP/IP network."

The Problem

The Microsoft DHCP Client service contains a buffer overflow. If a remote attacker responds to a DHCP request with a specially crafted DHCP response, that attacker may be able to trigger the buffer overflow on the requesting system.

For more information refer to Microsoft Security Bulletin MS06-036.

II. Impact

A remote, unauthenticated attacker may be able to execute arbitrary code.

III. Solution

Apply a patch from your vendor

Microsoft addresses this vulnerability with the updates listed in Microsoft Security Bulletin MS06-036.

Systems Affected

Vendor	Status	Date Updated
Microsoft Corporation	Vulnerable	11-Jul-2006

References

http://www.microsoft.com/technet/security/bulletin/ms06-036.mspx
http://www.faqs.org/rfcs/rfc2131.html

Credit

This vulnerability was reported in Microsoft Security Bulletin MS06-036. Microsoft credits Mariano Nu�ez Di Croce of Cybsec Security Systems for providing information regarding this vulnerability.

This document was written by Jeff Gennari.

Other Information

Date Public	07/11/2006
Date First Published	07/11/2006 05:09:05 PM
Date Last Updated	07/13/2006
CERT Advisory
CVE Name	CVE-2006-2372
Metric	78.00
Document Revision	10

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