ZDI-12-103 : Apple Quicktime Dataref URI Buffer Remote Code Execution

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From: ZDI Disclosures
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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


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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:

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