ZDI-08-018: Apple QuickTime Run Length Encoding Heap Overflow Vulnerability

[zdi-disclosures@xxxxxxxx]

ZDI-08-018: Apple QuickTime Run Length Encoding Heap Overflow 
Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-08-018
April 3, 2008

-- CVE ID:
CVE-2008-1021

-- Affected Vendors:
Apple

-- Affected Products:
Apple Quicktime 7.4.1

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 5998. 
For further product information on the TippingPoint IPS, visit:

    http://www.tippingpoint.com

-- Vulnerability Details:
This vulnerability allows attackers to execute arbitrary code 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 the parsing of QuickTime files that
utilize the Animation codec. A lack of proper length checks can result
in a heap based buffer overflow leading to arbitrary code execution
under the context of the currently logged in user.

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

http://support.apple.com/kb/HT1241

-- Disclosure Timeline:
2008-02-07 - Vulnerability reported to vendor
2008-04-03 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Anonymous

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