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Apple QuickTime udta ATOM Integer Overflow
------------------------------------------------------------------------
SUMMARY
A critical vulnerability in Quicktime Player has been discovered. The
vulnerability allows an attacker to execute arbitrary code in the context
of the user who executes QuickTime.
This vulnerability can be exploited By persuading a user to open a
carefully crafted .mov files or visit a website embedding the
malicious .mov file. The CVE-2006-1460 does not patch the root cause of
this vulnerability.
DETAILS
Vulnerable Systems:
* Apple QuickTime versions versions prior to 7.1.5
Immune Systems:
* Apple QuickTime versions 7.1.5 and higher
This vulnerability exists in the way Quicktime process the "udta" Atom of
the .mov files.
The layout of a udta(user data atom) atom:
Bytes
_______________________
| User data atom |
| Atom size | 4
| Type = 'udta' | 4
| |
| User data list |
| Atom size | 4
| Type = user data types| 4
| |
-----------------------
By setting the value of the Atom size to a large value such as 0xFFFFFFFF,
an insufficiently-sized heap block will be allocated, and resulting in a
classic complete heap memory overwrite during the RtlAllocateHeap()
function.
Vendor Response:
2006.05.06 - Vendor notified via product-security@apple.com
2006.05.07 - Vendor responded
2006.05.09 - Vendor ask for more information
2006.05.11 - Vendor released QuickTime 7.1, the code path was influenced,
but the root cause was not fixed.
2007.03.06 -Vendor released the fixed version
2007.03.06 - Advisory release
CVE Information:
<http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-0714>
CVE-2007-0714
ADDITIONAL INFORMATION
The information has been provided by <mailto:smaillist@gmail.com> Sowhat.
The original article can be found at:
<http://secway.org/advisory/AD20060512.txt>
http://secway.org/advisory/AD20060512.txt
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