Vulnerability Note VU#980084

Apple Mail buffer overflow vulnerability

Overview

Apple Mail contains a buffer overflow that may allow a remote attacker to execute arbitrary code on a vulnerable system.

I. Description

Apple Mail

Mac OS X includes the Mail application (Mail.app) for handling electronic mail.

The Problem

Apple Mail contains a buffer overflow caused by lack of validation on MIME encapsulted files. The buffer overflow may be triggered when an email message with a specially crafted attachment is opened with Mail.

Considerations

According to public reports this vulnerability is introduced by Apple Security Update 2006-001.

Exploit code for this vulnerability is publicly available.

II. Impact

By convincing a user to open a specially crafted attachment, a remote, unauthenticated attacker may be able to execute arbitrary code with the privileges of the user running Mail.

III. Solution

Install an update

This issue is corrected in Apple Security Update 2006-002.

Do not open attachments from untrusted sources

To protect against Only open email attachemnts from trusted or known sources.

Systems Affected

Vendor	Status	Date Updated
Apple Computer, Inc.	Vulnerable	15-Mar-2006

References

http://www.digitalmunition.com/DMA[2006-0313a].txt
http://docs.info.apple.com/article.html?artnum=303453
http://secunia.com/advisories/19129/

Credit

This vulnerability was reported by Kevin Finisterre.

This document was written by Jeff Gennari.

Other Information

Date Public	03/13/2006
Date First Published	03/17/2006 09:06:41 AM
Date Last Updated	03/29/2006
CERT Advisory
CVE-ID(s)	CVE-2006-0396
NVD-ID(s)	CVE-2006-0396
US-CERT Technical Alerts
Metric	6.63
Document Revision	21

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Produced 2006 by US-CERT, a government organization
Disclaimers and copyright information

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