Advisory Details

January 21st, 2009

Apple QuickTime AVI Header nBlockAlign Heap Corruption Vulnerability

ZDI-09-006
ZDI-CAN-393

CVE ID CVE-2009-0003
CVSS SCORE
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 6642. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS

This vulnerability allows 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 parsing of AVI files. When the AVI header contains a malformed nBlockAlign value in the _WAVEFORMATEX structure, a heap overflow may occur which can be leveraged to execute arbitrary code under the context of the current user.

ADDITIONAL DETAILS Apple has issued an update to correct this vulnerability. More details can be found at:
http://support.apple.com/kb/HT3403
DISCLOSURE TIMELINE
  • 2008-10-15 - Vulnerability reported to vendor
  • 2009-01-21 - Coordinated public release of advisory
CREDIT Anonymous
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