ZDI-07-065: Apple QuickTime Color Table RGB Parsing Heap Corruption 
Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-07-065.html
November  5, 2007

-- CVE ID:
CVE-2007-4677

-- Affected Vendor:
Apple

-- Affected Products:
QuickTime 7.2

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 5610. 
For further product information on the TippingPoint IPS:

    http://www.tippingpoint.com 

-- 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 open a
malicious file. 

The specific flaw exists in the parsing of the CTAB atom. While reading
the CTAB RGB values, an invalid color table size can cause QuickTime to
write past the end of the heap chunk. This memory corruption can lead
to the execution of arbitrary code.

-- 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=306896

-- Disclosure Timeline:
2007.09.14 - Vulnerability reported to vendor
2007.11.05 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by Ruben Santamarta of reversemode.com 
and
Mario Ballano of 48bits.com.

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