full-disclosure - ZDI-11-256: Apple QuickTime Media Link src Parameter Remote Code Execution Vulnerability

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Message-ID: <AF6E290B52139041BD6CA591212E455B5767ACF486@GVW0442EXB.americas.hpqcorp.net>
Date: Tue, 16 Aug 2011 22:45:04 +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-11-256: Apple QuickTime Media Link src
 Parameter Remote Code Execution Vulnerability

ZDI-11-256: Apple QuickTime Media Link src Parameter Remote Code Execution Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-11-256

August 16, 2011

-- CVE ID:
CVE-2011-0248

-- 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 11565. 
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 parses QuickTime Media
Link (.qtl) files. The code which parses the .qtl parameter files fails
to properly validate the size of the src parameter before copying it
into a fixed length stack buffer. By supplying an overly long value for
the src parameter, an attacker can leverage this flaw to execute
malicious code within the context of the browser.

-- 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:
    * Chkr_d591

-- 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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    http://www.zerodayinitiative.com

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