bugtraq - ZDI-10-067: Apple QuickTime Pict BkPixPat Remote Code Execution Vulnerability

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Message-ID: <EE499D69B3D0714590B6FE9762B0461104B70868B4@emb01.unity.local>
Date: Tue, 6 Apr 2010 14:34:27 -0500
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-10-067: Apple QuickTime Pict BkPixPat Remote Code Execution
 Vulnerability

ZDI-10-067: Apple QuickTime Pict BkPixPat Remote Code Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-10-067
April 6, 2010

-- CVE ID:
CVE-2010-0529

-- 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 9568. 
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 primary QuickTime.qts library when
parsing the BkPixPat opcode (0x12) within a PICT file. The application
will use 2 fields within the file in a multiply which is then passed as
an argument to an allocation. As both operands in the multiply are
user-controllable, specific values can cause an under allocation which
will later result in a heap overflow. Successful exploitation can lead
to 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/HT4104

-- Disclosure Timeline:
2009-11-06 - Vulnerability reported to vendor
2010-04-06 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Damian Put

-- About the Zero Day Initiative (ZDI):
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disclosing discovered vulnerabilities.

Researchers interested in getting paid for their security research
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