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Date: Tue, 15 Jan 2008 18:15:44 -0500 From: iDefense Labs <labs-no-reply@...fense.com> To: vulnwatch@...nwatch.org, full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com Subject: iDefense Security Advisory 01.15.08: Apple QuickTime Macintosh Resource Processing Heap Corruption Vulnerability iDefense Security Advisory 01.15.08 http://labs.idefense.com/intelligence/vulnerabilities/ Jan 15, 2008 I. BACKGROUND Quicktime is Apple's media player product, and is used to render video and other media. For more information visit the vendor's web site at the following URL. http://www.apple.com/quicktime/ II. DESCRIPTION Remote exploitation of a heap corruption vulnerability in Apple Computer Inc.'s QuickTime media player could allow attackers to execute arbitrary code in the context of the targeted user. The vulnerability specifically exists in the handling of Macintosh Resources embedded in QuickTime movies. When processing these records, a length value stored in the resource header is not properly validated. When a length value larger than the actual buffer size is supplied, potentially exploitable memory corruption occurs. III. ANALYSIS Exploitation of this vulnerability allows attackers to execute arbitrary code in the context of the targeted user. In order to exploit this vulnerability, an attacker must persuade a user into using QuickTime to open a specially crafted QuickTime movie file. IV. DETECTION iDefense Labs confirmed this vulnerability exists in QuickTime Player version 7.3.1. Previous versions are suspected to be vulnerable. V. WORKAROUND iDefense is currently unaware of any effective workaround for this issue. VI. VENDOR RESPONSE Apple has released QuickTime 7.4 which resolves this issue. More information is available via Apple's QuickTime Security Update page at the URL shown below. http://docs.info.apple.com/article.html?artnum=307301 VII. CVE INFORMATION The Common Vulnerabilities and Exposures (CVE) project has assigned the name CVE-2008-0032 to this issue. This is a candidate for inclusion in the CVE list (http://cve.mitre.org/), which standardizes names for security problems. VIII. DISCLOSURE TIMELINE 09/13/2007 Initial vendor notification 09/13/2007 Initial vendor response 01/15/2008 Coordinated public disclosure IX. CREDIT This vulnerability was discovered by Jun Mao of VeriSign iDefense Labs. Get paid for vulnerability research http://labs.idefense.com/methodology/vulnerability/vcp.php Free tools, research and upcoming events http://labs.idefense.com/ X. LEGAL NOTICES Copyright © 2008 iDefense, Inc. Permission is granted for the redistribution of this alert electronically. It may not be edited in any way without the express written consent of iDefense. If you wish to reprint the whole or any part of this alert in any other medium other than electronically, please e-mail customerservice@...fense.com for permission. Disclaimer: The information in the advisory is believed to be accurate at the time of publishing based on currently available information. Use of the information constitutes acceptance for use in an AS IS condition. There are no warranties with regard to this information. Neither the author nor the publisher accepts any liability for any direct, indirect, or consequential loss or damage arising from use of, or reliance on, this information.
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