TPTI-07-07: Apple QuickTime STSD Parsing Heap Overflow Vulnerability
http://dvlabs.tippingpoint.com/advisory/TPTI-07-07
May 10, 2007

-- CVE ID:
CVE-2007-0754

-- Affected Vendor:
Apple

-- Affected Products:
QuickTime Player 7.x

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability since January 31, 2006 by Digital Vaccine protection
filter ID 4109. 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 malformed Sample Table
Sample Descriptor (STSD) atoms. Specifying a malicious atom size can
result in an under allocated heap chunk and subsequently an exploitable
heap corruption.

-- Vendor Response:
Apple has issued an update to correct this vulnerability. More details
can be found at:

    http://docs.info.apple.com/article.html?artnum=304357

-- Disclosure Timeline:
2006.06.16 - Vulnerability reported to vendor
2006.01.31 - Digital Vaccine released to TippingPoint customers
2007.05.10 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by Ganesh Devarajan,
TippingPoint DVLabs.