Message-ID: <EE499D69B3D0714590B6FE9762B0461104BFE98F19@emb01.unity.local>
Date: Tue, 7 Dec 2010 17:10:25 -0600
From: ZDI Disclosures <zdi-disclosures@...pingpoint.com>
To: "'Full Disclosure (full-disclosure@...ts.grok.org.uk)'"
	<full-disclosure@...ts.grok.org.uk>,
	"'Bugtraq (bugtraq@...urityfocus.com)'" <bugtraq@...urityfocus.com>
Subject: ZDI-10-262: Apple QuickTime PICT directBitsRect
 Pack3 Remote Code Execution Vulnerability

ZDI-10-262: Apple QuickTime PICT directBitsRect Pack3 Remote Code Execution Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-10-262

December 7, 2010

-- CVE ID:
CVE-2010-3800

-- 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 10661.
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 how the application parses
directBitsRect records within a .pict file. When decompressing data
within this structure, the application will allocate space for the
target buffer using fields described within the file and then use a
different length to decompress the total data from the file. This can
lead to code execution under the context of the application.

-- Vendor Response:
Apple has issued an update to correct this vulnerability. More
details can be found at:

http://support.apple.com/kb/HT4447

-- Disclosure Timeline:
2010-11-05 - Vulnerability reported to vendor
2010-12-07 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Moritz Jodeit of n.runs AG

-- About the Zero Day Initiative (ZDI):
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Researchers interested in getting paid for their security research
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    http://www.zerodayinitiative.com

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