Adobe Flash - MovieClip.duplicateMovieClip Use-After-Free

Author: Google Security Research
type: dos
platform: windows
port: 
date_added: 2016-05-06 
date_updated: 2016-05-06 
verified: 1 
codes: CVE-2016-1011 
tags: 
aliases:  
screenshot_url:  
application_url: 

Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=759

There is a use-after-free in MovieClip.duplicateMovieClip.If an action associated with the MovieClip frees the clip provided as the initObject parameter to the call, it will be used after it is freed.A PoC is attached.


Proof of Concept:
https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/39779.zip