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Date: Wed, 27 Jun 2012 15:37:49 +0000
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>
Cc: ZDI Disclosures <zdi-disclosures@...com>
Subject: -----BEGIN PGP SIGNED MESSAGE-----

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Hash: SHA1

ZDI-12-103 : Apple Quicktime Dataref URI Buffer Remote Code Execution
Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-12-103
June 27, 2012

- -- CVE ID:
CVE-2011-3459

- -- CVSS:
7.5, AV:N/AC:L/Au:N/C:P/I:P/A:P

- -- 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 12408.
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 QuickTime Player. 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 occurs when parsing a movie file containing multiple
atoms with a different string length. When resizing a buffer in order to
make space for the string, the application will forget to include the
null-terminator. When the application attempts to null-terminate the
string, an out-of-bounds write will occur. If an aggressor can place the a
useful heap buffer contiguous to the reallocated string, 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/HT5130


- -- Disclosure Timeline:
2011-10-21 - Vulnerability reported to vendor
2012-06-27 - Coordinated public release of advisory


- -- Credit:
This vulnerability was discovered by:
* Luigi Auriemma


- -- About the Zero Day Initiative (ZDI):
Established by TippingPoint, The Zero Day Initiative (ZDI) represents 
a best-of-breed model for rewarding security researchers for responsibly
disclosing discovered vulnerabilities.

Researchers interested in getting paid for their security research
through the ZDI can find more information and sign-up at:

    http://www.zerodayinitiative.com

The ZDI is unique in how the acquired vulnerability information is
used. TippingPoint does not re-sell the vulnerability details or any
exploit code. Instead, upon notifying the affected product vendor,
TippingPoint provides its customers with zero day protection through
its intrusion prevention technology. Explicit details regarding the
specifics of the vulnerability are not exposed to any parties until
an official vendor patch is publicly available. Furthermore, with the
altruistic aim of helping to secure a broader user base, TippingPoint
provides this vulnerability information confidentially to security
vendors (including competitors) who have a vulnerability protection or
mitigation product.

Our vulnerability disclosure policy is available online at:

    http://www.zerodayinitiative.com/advisories/disclosure_policy/

Follow the ZDI on Twitter:

    http://twitter.com/thezdi

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