Vulnerability Note VU#969969

Apple Macintosh OS X VideoConference SIP heap buffer overflow

Overview

The Apple VideoConference framework contains a buffer overflow vulnerability. If exploited, this vulnerability may allow an attacker to execute code.

I. Description

Apple's VideoConference framework is used in iChat and other applications to stream video. iChat uses SIP to make and receive VoIP calls.

The VideoConference framework contains a heap buffer overflow vulnerability. An attacker may be able to exploit this vulnerability by sending a specially crafted SIP packet during the initialization of a VoIP session.

II. Impact

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

III. Solution

Upgrade

Apple has addressed this issue in Security Update 2007-004.

Systems Affected

Vendor	Status	Date Notified	Date Updated
Apple Computer, Inc.	Vulnerable	20-Apr-2007

References

http://docs.info.apple.com/article.html?artnum=305391
http://manuals.info.apple.com/en/Welcome_to_Mac_OS_X_v10.4_Tiger.pdf
http://en.wikipedia.org/wiki/Session_Initiation_Protocol

Credit

Thanks to Apple for information that was used in this report.

This document was written by Ryan Giobbi.

Other Information

Date Public:	2007-04-19
Date First Published:	2007-04-20
Date Last Updated:	2007-04-20
CERT Advisory:
CVE-ID(s):	CVE-2007-0746
NVD-ID(s):	CVE-2007-0746
US-CERT Technical Alerts:
Metric:	0.73
Document Revision:	6

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Produced 2007 by US-CERT, a government organization
Disclaimers and copyright information

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