Vulnerability Note VU#116100

Apple Mac OS X iChat UPnP buffer overflow

Overview

A vulnerabilty in the way Apple Mac OS X iChat handles specially crafted UPnP packets may allow execution of arbitrary code or denial of service.

I. Description

Apple iChat contains a vulnerability that could be exploited by an attacker on the local network when it attempts to handle specially crafted Universal Plug and Play (UPnP) protocol packets. According to Apple Security Update 2007-005:

A buffer overflow vulnerability exists in the UPnP IGD (Internet Gateway Device Standardized Device Control Protocol) code used to create Port Mappings on home NAT gateways in iChat.

II. Impact

An unauthenticated attacker on the local network may be able to execute arbitrary code or cause a denial of service.

III. Solution

Upgrade

Apple has addressed this issue in Apple Security Update 2007-005.

Systems Affected

Vendor	Status	Date Updated
Apple Computer, Inc.	Vulnerable	25-May-2007

References

http://docs.info.apple.com/article.html?artnum=305530

Credit

This issue was reported in Apple Security Update 2007-005.

This document was written by Chris Taschner.

Other Information

Date Public	05/24/2007
Date First Published	05/25/2007 02:28:27 PM
Date Last Updated	05/29/2007
CERT Advisory
CVE Name	CVE-2007-2390
Metric	9.98
Document Revision	12

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