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Zero Day Initiative Advisory 11-295

Zero Day Initiative Advisory 11-295
Posted Oct 19, 2011
Authored by Tipping Point | Site zerodayinitiative.com

Zero Day Initiative Advisory 11-295 - 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 handles flashpix files. When a flashpix contains a tile that has a Compression Type 0x2 (JPEG) and an 'JPEG tables selector' value that is bigger then the global stream property 'Maximum JPEG table index', Quicktime will write outside the global JPEG table. This corruption could lead to remote code execution under the context of the current user.

tags | advisory, remote, arbitrary, code execution
systems | apple
advisories | CVE-2011-3222
MD5 | ff68895035cc9177dabd8fc12e5c9587

Zero Day Initiative Advisory 11-295

Change Mirror Download
ZDI-11-295 : Apple QuickTime FlashPix JPEG Tables Selector Remote Code
Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-11-295
October 18, 2011

-- CVE ID:
CVE-2011-3222

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

-- Affected Vendors:

Apple



-- Affected Products:

Apple Quicktime



-- 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 handles flashpix
files. When a flashpix contains a tile that has a Compression Type 0x2
(JPEG) and an 'JPEG tables selector' value that is bigger then the
global stream property 'Maximum JPEG table index', Quicktime will write
outside the global JPEG table. This corruption could lead to remote 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/HT5002



-- Disclosure Timeline:
2011-07-20 - Vulnerability reported to vendor
2011-10-18 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:

* Damian Put



-- 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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