Overflowing Function Pointers On The Heap?

2021-10-17

[public] 5.32K views, 1.17K likes, 4.00 dislikes audio only

After we found some function pointers we could use for exploitation, we instructed sudo to find their heap locations. And then we are developing a script to find a heap layout usable for exploitation.

Complete Playlist: https://www.youtube.com/playlist?list=PLhixgUqwRTjy0gMuT4C3bmjeZjuNQyqdx

Grab the files: https://github.com/LiveOverflow/pwnedit

Episode 11:

00:00 - Intro

00:40 - The Research Plan

02:09 - Collecting Heap Information

02:40 - Testing the "Instrumentation" - First Problem

04:00 - Understanding Heap Information Output

04:34 - Heap Fragemntation Explained

05:10 - Which Inputs to Control?

05:35 - Writing the Fuzzing Heap Layouts Sripts

07:37 - Development Challenges

08:28 - The Script Results!

09:30 - Outro

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