Advisory Details

October 27th, 2011

Apple Quicktime Empty URL Data Handler Remote Code Execution Vulnerability

CVE ID	CVE-2011-3220
CVSS SCORE	9.0, AV:N/AC:L/Au:N/C:P/I:P/A:C
AFFECTED VENDORS	Apple
AFFECTED PRODUCTS	Quicktime
TREND MICRO CUSTOMER PROTECTION	Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['11804']. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS	This vulnerability allows remote attackers to potentially disclose memory addresses on vulnerable installations of Apple 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 exists within how QuickTime.qts parses a data handler in specific atom within a .mov file. The application will utilize a string length to copy data into an heap buffer, if the string is of zero-length, the application will fail to copy anything and then proceed to use the uninitialized buffer as a string.
ADDITIONAL DETAILS	Apple has issued an update to correct this vulnerability. More details can be found at: http://support.apple.com/kb/HT5002
DISCLOSURE TIMELINE	2011-05-12 - Vulnerability reported to vendor 2011-10-27 - Coordinated public release of advisory
CREDIT	Luigi Auriemma

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