Apple Quicktime - MOV File Parsing Memory Corruption Vulnerability

2016.05.20
Risk: High
Local: Yes
Remote: No
CWE: N/A


CVSS Base Score: 6.8/10
Impact Subscore: 6.4/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

##################################################################################### Application: Apple Quicktime Platforms: OSX Author: Francis Provencher of COSIG Website: http://www.protekresearchlab.com/ Twitter: @COSIG_ @protekresearch CVE-2016-1848 ##################################################################################### 1) Introduction 2) Report Timeline 3) Technical details 4) POC ##################################################################################### =============== 1) Introduction =============== 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) ##################################################################################### ============================ 2) Report Timeline ============================ 2016-03-14: Francis Provencher from COSIG report issue to Apple security team; 2016-03-21: Apple security team confirmed this issue; 2016-05-17: Apple fixed this issue; https://support.apple.com/en-us/HT206567 ##################################################################################### ============================ 3) Technical 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 visit a malicious page or open a malicious file. The specific flaw exists within the parsing of invalid data in the mdat atom. An attacker can use this flaw to read outside the allocated buffer, which could allow for the execution of arbitrary code in the context of the current process. ##################################################################################### =========== 4) POC =========== http://protekresearchlab.com/exploits/COSIG-2016-19.mov ###############################################################################

References:

http://protekresearchlab.com/exploits/COSIG-2016-19.mov


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