bugtraq - ZDI-11-258: Apple QuickTime STSC atom Parsing Remote Code Execution Vulnerability

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Message-ID: <AF6E290B52139041BD6CA591212E455B5767ACF48A@GVW0442EXB.americas.hpqcorp.net>
Date: Tue, 16 Aug 2011 22:49:25 +0100
From: ZDI Disclosures <zdi-disclosures@...pingpoint.com>
To: "'full-disclosure@...ts.grok.org.uk'" <full-disclosure@...ts.grok.org.uk>,
  "'bugtraq@...urityfocus.com'" <bugtraq@...urityfocus.com>
Subject: ZDI-11-258: Apple QuickTime STSC atom Parsing Remote Code Execution
 Vulnerability

ZDI-11-258: Apple QuickTime STSC atom Parsing Remote Code Execution Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-11-258

August 16, 2011

-- CVE ID:
CVE-2011-0249 

-- CVSS:
9, (AV:N/AC:L/Au:N/C:P/I:P/A:C)

-- Affected Vendors:
Apple

-- Affected Products:
Apple Quicktime

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 11556. 
For further product information on the TippingPoint IPS, visit:

    http://www.tippingpoint.com

-- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of Apple QuickTime. User interaction is
required to exploit this vulnerability in that the target must visit a
malicious page or open a malicious file.

The specific flaw exists within the way Quicktime handles the
Sample-to-Chunks table in media files with 'twos' audio codec. If a
value for 'samples per chunk' is bigger than 8 times the sample rate
from the 'Sample Description Atom' it will cause a buffer overflow
during the parsing of the atom sample table. This can result in remote
code execution under the context of the current user.

-- Vendor Response:
Apple has issued an update to correct this vulnerability. More
details can be found at:
http://support.apple.com/kb/HT4826

-- Disclosure Timeline:
2011-04-11 - Vulnerability reported to vendor
2011-08-16 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Matt "j00ru" Jurczyk

-- About the Zero Day Initiative (ZDI):
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