Adobe Flash - Sprite Creation Use-After-Free

EDB-ID:

39610




Platform:

Windows

Date:

2016-03-23


Become a Certified Penetration Tester

Enroll in Penetration Testing with Kali Linux , the course required to become an Offensive Security Certified Professional (OSCP)

GET CERTIFIED

Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=718

There is a use-after-free in Sprite Creation. If a Sprite is created, and then the handler for the frameConstructed event triggers a remove object action, the Sprite is then used after it has been freed.

A sample swf is attached.


Proof of Concept:
https://github.com/offensive-security/exploitdb-bin-sploits/raw/master/bin-sploits/39610.zip