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Application: Apple Quicktime

Platforms: Windows, OSX

Versions: before version 7.7.79.80.95

Author: Francis Provencher of COSIG

Website: http://www.protekresearchlab.com/

Twitter: @COSIG_ @protekresearch

CVE-2016-1769

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1) Introduction
2) Report Timeline
3) Technical details
4) POC

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1) Introduction
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QuickTime is an extensible multimedia framework developed by Apple Inc., capable of handling various formats of digital video, picture, sound, panoramic images, and interactivity. The classic version of QuickTime is available for Windows Vista and later, as well as Mac OS X Leopard and later operating systems. A more recent version, QuickTime X, is currently available on Mac OS X Snow Leopard and newer.

(https://en.wikipedia.org/wiki/QuickTime)

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2) Report Timeline
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2016-01-07: Francis Provencher from COSIG report issue to Apple security team;
2016-01-13: Apple security team  confirmed this issue;
2016-03-22: Apple fixed this issue;

https://support.apple.com/en-us/HT206167
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3) Technical details
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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 visit a malicious page or open a malicious file.

By providing a malformed PSD file, an attacker is able to create an out of bound read condition and execute code in the context of the current user or may allow access to sensitive memory space.

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4) POC

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http://protekresearchlab.com/exploits/COSIG-2016-16.psd
https://github.com/offensive-security/exploitdb-bin-sploits/raw/master/bin-sploits/39635.zip

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