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Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

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# Application: Adobe Flash Player
# Platforms: Windows,OSX
# Versions: 22.0.0.192 and earlier
# Author: Francis Provencher of COSIG
# Website: https://cosig.gouv.qc.ca/avis/
# Twitter: @COSIG_
# Date: 12 juillet 2016
# CVE-2016-4177
# COSIG-2016-21

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

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1) Introduction
===============
Adobe Flash Player (labeled Shockwave Flash in Internet Explorer and Firefox) is a freeware software for using content created on the Adobe Flash platform, including viewing multimedia, executing rich Internet applications, and streaming video and audio. Flash Player can run from a web browser as a browser plug-in or on supported mobile devices.[7] Flash Player was created by Macromedia and has been developed and distributed by Adobe Systems since Adobe acquired Macromedia.

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

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2) Report Timeline
====================
2016-05-10: Francis Provencher du COSIG of COSIG report this vulnerability to Adobe PSIRT;
2016-05-17: Adobe PSIRT confirm this vulnerability;
2016-07-12: Adobe publish a patch (APSB16-25);
2016-07-12: Advisory released by COSIG;

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3) Technical details
=====================

The vulnerability allows a remote attacker to execute malicious code or access to a part of the dynamically allocated memory using a user interaction
visiting a Web page or open a specially crafted SWF file, which contains ‘SceneAndFrameData’ invalid data.

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4) POC:
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https://cosig.gouv.qc.ca/wp-content/uploads/2016/07/COSIG-2016-21.zip
https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/40104.zip

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